TAGETES
Tagetes--Marigold
Tagetes Insect Problems
Tagetes Disease Problems

TAILFLOWER
Anthurium--Tailflower

TALL GAYFEATHER
Liatris scariosa--Tall Gayfeather

TALL MALLOW
Malva sylvestris--Tall Mallow

TALLHEDGE BUCKTHORN
Rhamnus frangula--Glossy Buckthorn
Rhamnus Insect Problems
Rhamnus Disease Problems

TAMARACK
Larix laricina--Tamarack

TAMARIX RAMOSISSIMA
Tamarix ramosissima--Five-stamen Tamarix

TANACETUM COCCINEUM
Chrysanthemum coccineum--Pyrethrum Daisy

TAPHRINA
Leaf Curl and Leaf Gall

TAR SPOT
Ilex Disease Problems - Outdoors
Salix Disease Problems
Fungal and Bacterial Leaf Diseases

TARNISHED PLANT BUG
Callistephus Insect Problems
Cosmos Insect Problems
Gladiolus Insect Problems
Impatiens Insect Problems
Tagetes Insect Problems
Viburnum Insect Problems

TARO
Colocasia esculenta--Taro

TARRAGON
Artemisia dracunculus--Tarragon

TARTARIAN STATICE
Goniolimon tataricum--Tartarian Statice

TASSEL FLOWER
Emilia coccinea--Tassel Flower

TATARIAN DOGWOOD
Cornus alba--Tatarian Dogwood

TATARIAN HONEYSUCKLE
Lonicera tatarica--Tatarian Honeysuckle

TATARIAN MAPLE
Acer tataricum--Tatarian Maple

TAXODIUM
Taxodium Disease Problems

TAXODIUM ASCENDENS
Taxodium ascendens--Pond Cypress

TAXODIUM DISTICHUM
Taxodium distichum--Common Bald Cypress

TAXUS
Taxus Insect Problems
Black Vine Weevil

TAXUS BACCATA
Taxus baccata--English Yew

TAXUS CANADENSIS
Taxus canadensis--Canadian Yew

TAXUS CUSPIDATA
Taxus cuspidata--Japanese Yew

TAXUS MEALYBUG
Taxus Mealybug

TAXUS MEALYBUGS
Taxus Insect Problems

TAXUS X HUNNEWELLIANA
Taxus x hunnewelliana--Hunnewell Yew

TAXUS X MEDIA
Taxus x media--Anglojap Yew

TAZETTA DAFFODIL
Narcissus x tazetta--Tazetta Daffodil

TEA VIBURNUM
Viburnum setigerum--Tea Viburnum

TEMPLE JUNIPER
Juniperus rigida--Temple Juniper

TENDER BULBS
Achimenes
Acidanthera bicolor--Peacock Orchid
Agapanthus africanus--African Lily
Allium neapolitanum--Naples Onion
Alstroemeria aurantiaca--Peruvian Lily
Amaryllis belladonna--Belladonna Lily
Anemone coronaria--Poppy Anemone
Babiana stricta--Baboon Flower
Begonia x tuberhybrida--Tuberous Begonia
Belamcanda chinensis--Blackberry Lily
Bletilla striata--Chinese Ground Orchid
Caladium x hortulanum - Outdoors
Canna x generalis--Canna
Clivia miniata--Kaffir Lily
Colocasia esculenta--Taro
Crocosmia spp.--Crocosmia
Dahlia
Galtonia candicans--Summer Hyacinth
Gladiolus hybrids
Gloriosa rothschildiana--Gloriosa Lily
Hippeastrum--Amaryllis
Hymenocalis narcissiflora--Spider Lily
Ixia spp.--Corn Lily
Ixiolirion tataricum--Siberian Lily
Ornithogalum thyrsoides--Chincherinchee
Pancratium maritimum--Sea Daffodil
Polianthes tuberosa--Tuberose
Ranunculus asiaticus
Tigridia pavonia--Tiger Flower
Zantedeschia--Calla Lily (Outdoors)
Selecting Tender Bulbs
Planting Tender Bulbs
Fertilizing Tender Bulbs
Digging Tender Bulbs
Storing Tender Bulbs

TENT CATERPILLARS
Crataegus Insect Problems
Hamamelis Insect Problems
Liquidambar Insect Problems
Malus Insect Problems
Prunus Insect Problems
Webworms, Tent Caterpillars
Eastern Tent Caterpillar

TERRARIUMS
Terrariums and Dish Gardens

TEUCRIUM CHAMAEDRYS
Teucrium chamaedrys--Wall Germander

THALICTRUM AQUILEGIFOLIUM
Thalictrum aquilegifolium--Columbine Meadow Rue

THALICTRUM DELAVAYI
Thalictrum delavayi--Yunnan Meadow Rue

THALICTRUM DIPTEROCARPUM
Thalictrum delavayi--Yunnan Meadow Rue

THALICTRUM KIUSIANUM
Thalictrum kiusianum

THALICTRUM ROCHEBRUNIANUM
Thalictrum rochebrunianum

THANKSGIVING CACTUS
Schlumbergera--Christmas Cactus

THATCH
Controlling Lawn Thatch

THERMOPSIS CAROLINIANA
Thermopsis villosa--Carolina Lupine

THERMOPSIS VILLOSA
Thermopsis villosa--Carolina Lupine

THIELAVIOPSIS
Root Rots

THORNLESS COMMON HONEYLOCUST
Gleditsia triacanthos var. inermis

THORNS
Aralia elata--Japanese Aralia
Berberis koreana--Korean Barberry
Berberis x mentorensis--Mentor Barberry
Berberis thunbergii--Japanese Barberry
Chaenomeles japonica--Japanese Flowering Quince
Chaenomeles speciosa--Flowering Quince
Crataegus arnoldiana--Arnold Hawthorn
Crataegus coccinoides--Kansas Hawthorn
Crataegus crus-galli--Cockspur Hawthorn
Crataegus laevigata--English Hawthorn
Crataegus x lavelli--Lavelle Hawthorn
Crataegus mollis--Downy Hawthorn
Crataegus monogyna--Singleseed Hawthorn
Crataegus x mordenensis
Crataegus phaenopyrum--Washington Hawthorn
Crataegus pinnatifida
Crataegus pruinosa--Frosted Hawthorn
Crataegus punctata--Dotted Hawthorn
Crataegus succulenta--Fleshy Hawthorn
Crataegus viridis--Green Hawthorn
Eleagnus angustifolia--Russian Olive
Euphorbia splendens--Crown of Thorns
Pyracantha coccinea--Firethorn
Robinia x margaretta
Robinia pseudoacacia--Black Locust
Shepherdia argentea--Silver Buffaloberry

THORNY SILVERBERRY
Elaeagnus pungens--Thorny Silverberry

THREAD-LEAF COREOPSIS
Coreopsis verticillata--Thread-leaf Coreopsis

THREE LOBED SPIREA
Spiraea trilobata--Three Lobed Spirea

THREEFLOWER MAPLE
Acer triflorum--Threeflower Maple

THREESPINE BARBERRY
Berberis triacanthophora--Threespine Barberry

THRIPS
Begonia Insect Problems - Indoors
Tuberous Begonia Insect Problems
Campanula Insect Problems
Cattleya Insect Problems
Cyclamen Insect Problems - Indoors
Dahlia Insect Problems
Gladiolus Insect Problems
Hemerocallis Insect Problems
Iris Insect Problems
Ligustrum Insect Problems
Tropaeolum Insect Problems
Verbena Insect Problems
Thrips

THUJA
Thuja Insects Problems
Thuja Disease Problems
Arborvitae Leaf Miner

THUJA OCCIDENTALIS
Thuja occidentalis--White Cedar

THUJA ORIENTALIS
Thuja orientalis--Oriental Arborvitae

THUJA PLICATA
Thuja plicata--Giant Arborvitae

THUJOPSIS DOLOBRATA
Thujopsis dolobrata--Hiba Arborvitae

THUNBERG SPIREA
Spiraea thunbergii--Thunberg Spirea

THUNBERGIA ALATA
Thunbergia alata--Clockvine

THURLOW WEEPING WILLOW
Salix x elegantissima--Thurlow Weeping Willow

THYME
Thymus x citriodorus--Lemon Thyme
Thymus praecox
Thymus pseudolanuginosus--Woolly Thyme
Thymus serpyllum--Creeping Thyme

THYMUS PRAECOX
Thymus praecox

THYMUS PSEUDOLANUGINOSUS
Thymus pseudolanuginosus--Woolly Thyme

THYMUS SERPYLLUM
Thymus serpyllum--Creeping Thyme

THYMUS X CITRIODORUS
Thymus x citriodorus--Lemon Thyme

TI PLANT
Cordyline terminalis--Ti Plant
Cordyline Disease Problems

TIARELLA CORDIFOLIA
Tiarella cordifolia--Allegheny Foamflower

TIARELLA WHERRYI
Tiarella wherryi--Foamflower

TICKSEED
Coreopsis grandiflora--Tickseed

TIDY TIPS
Layia platyglossa--Tidy Tips

TIGER FLOWER
Tigridia pavonia--Tiger Flower
Tigridia Disease Problems

TIGER-TAIL SPRUCE
Picea torana--Tiger-tail Spruce

TIGRIDIA
Tigridia Disease Problems

TIGRIDIA PAVONIA
Tigridia pavonia--Tiger Flower

TILIA
Tilia Insect Problems
Tilia Disease Problems

TILIA AMERICANA
Tilia americana--American Linden

TILIA CORDATA
Tilia cordata--Littleleaf Linden

TILIA MONGOLICA
Tilia mongolica--Mongolian Linden

TILIA PETIOLARIS
Tilia petiolaris--Pendant Silver Linden

TILIA TOMENTOSA
Tilia tomentosa--Silver Linden

TILIA X EUCHLORA
Tilia x euchlora--Crimean Linden

TILIA X FLAVESCENS 'GLENLEVEN'
Tilia x flavescens 'Glenleven'

TIP BLIGHT
Chamaecyparis Disease Problems
Cordyline Disease Problems
Dracena Disease Problems
Pinus Disease Problems

TITHONIA ROTUNDIFOLIA
Tithonia rotundifolia--Mexican Sunflower

TOAD LILY
Tricyrtis hirta--Toad Lily

TOADFLAXES
Linaria purpurea 'Canon J. Went'
Linaria--Toadflax

TOLERATES ALKALINE SOILS
Acer campestre--Hedge Maple
Acer tataricum--Tatarian Maple
Amelanchier alnifolia--Saskatoon Serviceberrry
Anemone apennina--Apennine Anemone
Aralia spinosa--Devil's Walkingstick
Caragana pygmaea--Pygmy Peashrub
Carpinus betulus--European Hornbeam
Centaurea montana--Mountain Bluet
Centranthus ruber--Red Valerian
Corydalis lutea--Yellow Corydalis
Cotinus obovatus--American Smoketree
X Cupressocyparis leylandii
Cymbalaria muralis--Kenilworth Ivy
Dianthus chinensis--Annual Pink
Dianthus x allwoodii--Allwood Pink
Dianthus deltoides--Maiden Pink
Dianthus gratianopolitanus--Cheddar Pink
Fraxinus excelsior--European Ash
Genista tinctoria--Common Woadwaxen
Ginkgo biloba--Maidenhair Tree
Gymnocladus dioicus--Kentucky Coffeetree
Gypsophila paniculata--Perennial Baby's Breath
Helictotrichon sempervirens--Blue Oat Grass
Helleborus niger--Christmas Rose
Helleborus orientalis--Lenten Rose
Hunnemannia fumariifolia--Mexican Tulip Poppy
Ilex decidua--Possumhaw
Juglans cinerea--Butternut
Laburnum x watereri--Goldenchain Tree
Maclura pomifera--Osage Orange
Malva alcea--Hollyhock Mallow
Paxistima canbyi--Canby Paxistima
Phellodendron amurense--Amur Corktree
Physocarpus opulifolius--Common Ninebark
Scabiosa caucasica--Pincushion Flower
Scabiosa columbaria
Scabiosa ochroleuca
Viburnum lantana--Wayfaring Tree
Xanthoceras sorbifolium--Yellowhorn

TOLERATES CLAY SOILS
Acanthopanax sieboldianus
Acer campestre--Hedge Maple
Acer rubrum--Red Maple
Acer saccharinum--Silver Maple
Aegopodium podagaria--Goutweed
Ajuga genevensis--Geneva Bugleweed
Ajuga reptans--Bugleweed
Aralia elata--Japanese Aralia
Aralia spinosa--Devil's Walkingstick
Aronia arbutifolia--Red Chokeberry
Aronia melanocarpa--Black Chokeberry
Berberis koreana--Korean Barberry
Berberis x mentorensis--Mentor Barberry
Berberis thunbergii--Japanese Barberry
Betula nigra--River Birch
Carpinus betulus--European Hornbeam
Chaenomeles japonica--Japanese Flowering Quince
Chaenomeles speciosa--Flowering Quince
Cornus alba--Tatarian Dogwood
Cornus racemosa--Gray Dogwood
Cornus sericea (stolonifera)--Red Twigged Dogwood
Crataegus ambigua--Russian Hawthorn
Crataegus arnoldiana--Arnold Hawthorn
Crataegus coccinoides--Kansas Hawthorn
Crataegus crus-galli--Cockspur Hawthorn
Crataegus laevigata--English Hawthorn
Crataegus x lavelli--Lavelle Hawthorn
Crataegus mollis--Downy Hawthorn
Crataegus x mordenensis
Crataegus phaenopyrum--Washington Hawthorn
Crataegus succulenta--Fleshy Hawthorn
Deutzia crenata
Deutzia gracilis--Slender Deutzia
Eleagnus angustifolia--Russian Olive
Eleagnus commutata--Silverberry
Eleagnus x ebbingii--Ebbinges Silverberry
Elaeagnus pungens--Thorny Silverberry
Eleagnus umbellata--Autumn Olive
Eucommia ulmoides--Hardy Rubber Tree
Euonymus fortunei--Wintercreeper
Forsythia x intermedia--Border Forsythia
Forsythia mandschurica--Manchurian Forsythia
Forsythia suspensa var. sieboldii--Weeping Forsythia
Fraxinus pennsylvanica--Green Ash
Glyceria maxima 'Variegata'--Manna Grass
Hamamelis x intermedia
Hamamelis japonica--Japanese Witchhazel
Hamamelis vernalis--Vernal Witchhazel
Hamamelis virginiana--Common Witchhazel
Hemerocallis--Daylily
Hosta spp.--Plantain Lily
Houttuynia cordata--Korean Houttuynia
Koelreuteria paniculata--Panicled Goldenraintree
Kolkwitzia amabilis--Beautybush
Ligustrum amurense--Amur Privet
Ligustrum vulgare--Common Privet
Liquidambar styraciflua--Sweet Gum
Lonicera japonica--Japanese Honeysuckle
Lonicera xylosteum--European Fly Honeysuckle
Myrica pennsylvanica--Northern Bayberry
Pachysandra terminalis
Parthenocissus tricuspidata--Boston Ivy
Phellodendron sachalinense--Sakhalin Corktree
Physocarpus opulifolius--Common Ninebark
Platanus x acerifolia--London Planetree
Populus tremuloides--Quaking Aspen
Pyrus calleryana--Callery Pear
Quercus cerris--Turkey Oak
Rhodotypos scandens--Black Jetbead
Rhus aromatica--Fragrant Sumac
Ribes alpinum--Alpine Currant
Salix alba--White Willow
Salix x cottetii--Banker's Willow
Salix discolor--Pussy Willow
Salix pentandra--Laurel Willow
Salix purpurea--Purpleosier Willow
Stephanandra incisa--Cutleaf Stephanandra
Symphoricarpos x chenaultii--Chenault Coralberry
Taxodium ascendens--Pond Cypress
Thuja occidentalis--White Cedar
Ulmus parvifolia--Lacebark Elm
Ulmus pumila--Siberian Elm
Viburnum dentatum--Arrowwood
Viburnum lentago--Nannyberry
Viburnum opulus--European Cranberrybush
Viburnum prunifolium--Blackhaw Viburnum
Viburnum sargentii--Sargent Viburnum

TOLERATES COMPACTED SOILS
Acer campestre--Hedge Maple
Acer rubrum--Red Maple
Celtis occidentalis--Hackberry
Platanus occidentalis--Sycamore

TOLERATES DRY SOILS
Acanthopanax sieboldianus
Acer buergerianum--Trident Maple
Acer campestre--Hedge Maple
Acer tataricum--Tatarian Maple
Achillea clavennae--Silvery Yarrow
Agastache foeniculum--Anise Hyssop
Aralia spinosa--Devil's Walkingstick
Arctostaphylos uva-ursi--Bearberry
Argemone polyanthemus--Prickly Poppy
Aronia arbutifolia--Red Chokeberry
Arrhenatherum elatius var. bulbosum 'Variegatum'
Artemisia stellerana--Beach Wormwood
Ascelpias tuberosa--Butterfly Weed
Berberis x mentorensis--Mentor Barberry
Calamintha grandiflora--Large-flowered Calamint
Calandrina umbelllata--Rock Purslane
Campanula porscharskyana--Serbian Bellflower
Campsis radicans--Trumpet Creeper
Canna x generalis--Canna
Caragana arborescens--Siberian Peashrub
Caragana microphylla--Littleleaf Peashrub
Caragana pygmaea--Pygmy Peashrub
Catharanthus roseus--Periwinkle
Celtis occidentalis--Hackberry
Centaurea cyanus--Bachelor Button
Cephalotaxus harringtonia--Japanese Plum Yew
Cerastium tomentosum--Snow-In-Summer
Chamaebatiaria millefolium--Fernbush
Collinsia--Chinese Houses
Coreopsis verticillata--Thread-leaf Coreopsis
Corylus colurna--Turkish Filbert
Cotinus coggygria--Smoketree
Cynoglossum amabile--Chinese Forget-me-not
Diervilla lonicera--Dwarf Bush-honeysuckle
Diervilla rivularis--Georgia Bush-honeysuckle
Diervilla sessilifolia--Southern Bush-honeysuckle
Dimorphotheca sinuata--Cape Marigold
Dorotheanus bellediformis--Livingstone Daisy
Echinacea purpurea--Purple Coneflower
Echinops ritro--Globe Thistle
Elaeagnus pungens--Thorny Silverberry
Elymus arenarius--Blue Lyme Grass
Emilia coccinea--Tassel Flower
Eriogonum umbellatum--Sulphur Flower
Erodium reichardii--Storksbill
Eryngium alpinum--Alpine Sea Holly
Eryngium amethystinum--Amethyst Sea Holly
Eryngium bourgatii--Mediterranean Sea Holly
Eryngium giganteum--Giant Sea Holly
Eryngium planum--Sea Holly
Eryngium yuccifolium--Rattlesnake-master
Eschscholzia californica--California Poppy
Eucommia ulmoides--Hardy Rubber Tree
Euphorbia amygdaloides--Wood Spurge
Felicia bergerana--Kingfisher Daisy
Fraxinus mandshurica 'Mancana'--Mancana Ash
Fraxinus pennsylvanica--Green Ash
Gaillardia x grandiflora--Blanketflower
Gaillardia pulchella--Blanketflower
Gazania--Treasure Flower
Genista pilosa--Silkyleaf Woadwaxen
Genista tinctoria--Common Woadwaxen
Ginkgo biloba--Maidenhair Tree
Glaucium spp.--Horned Poppy
Gymnocladus dioicus--Kentucky Coffeetree
Hamamelis virginiana--Common Witchhazel
Helianthemum nummularium--Common Sun Rose
Hippophae rhamnoides--Common Sea Buckthorn
Hordeum jubatum--Squirrel's-tail Grass
Hypericum calycinum--Aaronsbeard St. Johnswort
Hyssopus officinalis--Hyssop
Indigofera heterantha--Himalayan Indigo
Juglans cinerea--Butternut
Juniperus davurica--Dahurian Juniper
Juniperus horizontalis--Creeping Juniper
Juniperus sabina--Savin Juniper
Juniperus squamata--Singleseed Juniper
Koelreuteria paniculata--Panicled Goldenraintree
Lantana
Liatris ligustylis
Limonium sinuatum--Statice
Lotus corniculatus--Bird's-foot Trefoil
Lysimachia punctata--Yellow loosestrife
Maclura pomifera--Osage Orange
Malva alcea--Hollyhock Mallow
Morus alba--White Mulberry
Myrica pennsylvanica--Northern Bayberry
Nolana paradoxa--Chilean Bellflower
Ophiopogon japonicus--Dwarf Mondo Grass
Ophiopogon planiscapus--Black Mondo Grass
Ostrya virginiana--American Hophornbeam
Pardancanda norisii--Candylily
Phacelia spp.
Phalaris arundinacea--Reed Canary Grass
Phlox drummondii--Annual Phlox
Physocarpus opulifolius--Common Ninebark
Pinus banksiana--Jack Pine
Pinus nigra--Austrian Pine
Pinus rigida--Pitch Pine
Platanus x acerifolia--London Planetree
Polygonum aubertii--Silverlace Vine
Populus x canadensis--Carolina Poplar
Populus deltoides--Eastern Cottonwood
Populus tremula--European Aspen
Populus tremuloides--Quaking Aspen
Portulaca--Moss Rose
Prunus americana--American Plum
Prunus besseyi--Western Sand Cherry
Quercus cerris--Turkey Oak
Quercus coccinea--Scarlet Oak
Quercus frainetto--Italian Oak
Quercus prinus--Chestnut Oak
Rhus copallina--Shining Sumac
Rhus trilobata--Skunkbush Sumac
Rhus typhina--Staghorn Sumac
Robinia x ambigua 'Idahoensis'--Idaho Locust
Robinia hispida--Rose Acacia
Rudbeckia hirta--Black-eyed Susan
Salvia greggii--Autumn Sage
Santolina chamaecyparissus--Lavender Cotton
Santolina rosmarinifolia
Sanvitalia procumbens--Creeping Zinnia
Schizachyrium scoparium--Little Bluestem
Sedum acre--Golden-carpet
Sedum kamtschaticum--Kamschatca Stonecrop
Sempervivum--Houseleek
Senecio cineraria--Dusty Miller
Shepherdia argentea--Silver Buffaloberry
Sorghastrum nutans--Indian Grass
Spiraea x bumalda--Bumald Spirea
Sporobolus heterolepsis--Prairie Dropseed
Thuja plicata--Giant Arborvitae
Thymus serpyllum--Creeping Thyme
Tilia tomentosa--Silver Linden
Tropaeolum--Nasturtium
Ulmus x 'Regal'
Vaccinium angustifolium--Lowbush Blueberry
Viburnum burejaeticum--Manchurian Viburnum
Viburnum lantana--Wayfaring Tree
Viburnum rufidulum--Southern Viburnum
Xanthisma texana--Sleepy Daisy
Yucca Glauca

TOLERATES POOR SOILS
Alnus glutinosa--European Alder
Antennaria dioica--Common Pussytoes
Jasminum nudiflorum--Winter Jasmine
Juniperus conferta--Shore Juniper
Sorghastrum nutans--Indian Grass

TOLERATES SALT
Arctostaphylos uva-ursi--Bearberry
Caragana microphylla--Littleleaf Peashrub
X Cupressocyparis leylandii
Elaeagnus pungens--Thorny Silverberry
Eryngium amethystinum--Amethyst Sea Holly
Ginkgo biloba--Maidenhair Tree
Hippophae rhamnoides--Common Sea Buckthorn
Hydrangea macrophylla--Bigleaf Hydrangea
Limonium latifolium--Sea Lavender
Limonium sinuatum--Statice
Miscanthus floridulis--Giant Chinese Silver Grass
Morus alba--White Mulberry
Myrica pennsylvanica--Northern Bayberry
Pinus nigra--Austrian Pine
Pinus parviflora--Japanese White Pine
Pinus rigida--Pitch Pine
Populus deltoides--Eastern Cottonwood
Shepherdia argentea--Silver Buffaloberry
Tamarix ramosissima--Five-stamen Tamarix
Tolerance to De-icing Salt Spray

TOLERATES SHADE
Abeliophyllum distichum--Korean Abelialeaf
Acanthopanax sieboldianus
Aconitum carmichaelli--Azure Monkshood
Aconitum napellus--Common Monkshood
Adiantum pedatum--American Maidenhair Fern
Aegopodium podagaria--Goutweed
Aesculus parviflora--Bottlebrush Buckeye
Alchemilla alpina--Mountain Lady's Mantle
Alchemilla erythropoda
Alchemilla mollis--Common Lady's Mantle
Andromeda polifolia--Bog Rosemary
Anemone nemorosa--Wood Anemone
Arabis ferdinandi-coburgi
Aralia spinosa--Devil's Walkingstick
Arisaema candidissimum--Chinese Jack-In-The-Pulpit
Arisaema sikokianum--Snow Rice-Cake Plant
Arisaema triphyllum--Jack-In-The-Pulpit
Aronia melanocarpa--Black Chokeberry
Aruncus dioicus--Goatsbeard
Asarum canadense--Wild Ginger
Asarum europaeum--European Wild Ginger
Asperula orientalis
Astrantia major--Greater Masterwort
Athyrium nipponicum 'Pictum'--Japanese Painted Fern
Begonia x semperflorens--Fibrous Rooted Begonia
Begonia x tuberhybrida--Tuberous Begonia
Bergenia cordifolia--Heartleaf Bergenia
Brunnera macrophylla--Siberian Bugloss
Caladium x hortulanum - Outdoors
Calycanthus floridus--Sweetshrub
Campanula garganica
Campanula glomerata--Clustered Bellflower
Campanula porscharskyana--Serbian Bellflower
Cardamine diphylla--Crinkled Toothwort
Carex flacca--Blue Sedge
Carex siderosticha--Creeping Broad-leaf Sedge
Catharanthus roseus--Periwinkle
Cephalotaxus harringtonia--Japanese Plum Yew
Cercis canadensis--Redbud
Chasmanthium latifolium--Northern Sea Oats
Cimicifuga japonica--Japanese Bugbane
Cimicifuga racemosa--Snakeroot
Cimicifuga ramosa
Cimicifuga simplex
Clethra alnifolia--Summersweet
Collinsia--Chinese Houses
Convallaria majalis--Lily-of-the-Valley
Cornus alternifolia--Pagoda Dogwood
Cornus baileyi--Bailey Red Twig Dogwood
Cornus canadensis--Bunchberry
Cornus racemosa--Gray Dogwood
Cymbalaria muralis--Kenilworth Ivy
Daphne cneorum--Rose Daphne
Daphne odora--Fragrant Daphne
Dennstaedtia punctiloba--Hay-scented Fern
Deschampsia caespitosa--Tufted Hair Grass
Deutzia gracilis--Slender Deutzia
Dicentra spectabilis--Bleeding Heart
Diervilla sessilifolia--Southern Bush-honeysuckle
Digitalis grandiflora--Yellow Foxglove
Digitalis purpurea--Foxglove
Dirca palustris--Leatherwood
Dodecatheon meadia--Shooting Star
Doronicum caucasicum--Leopard's-bane
Dryopteris carthusiana--Toothed Wood Fern
Dryopteris erythrosora--Japanese Shield Fern
Dryopteris filix-mas--Male Fern
Dryopteris marginalis--Marginal Shield Fern
Elaeagnus pungens--Thorny Silverberry
Epimedium grandiflorum--Longspur Epimedium
Epimedium x perralchicum
Epimedium x rubrum--Barrenwort
Epimedium x versicolor 'Sulphureum'--Barrenwort
Epimedium x youngianum--Young's Barrenwort
Erythronium americanum--Trout Lily
Erythronium dens-canis--Dog Tooth Violet
Euonymus alatus--Burning Bush
Fuchsia - Outdoors
Galium odoratum--Sweet Woodruff
Hamamelis mollis--Chinese Witchhazel
Hamamelis vernalis--Vernal Witchhazel
Hemerocallis--Daylily
Hepatica americana
Hosta spp.--Plantain Lily
Hyacinthoides hispanicus--Spanish Bluebell
Hyacinthoides non-scriptus--English Bluebell
Hydrangea arborescens--Smooth Hydrangea
Hydrangea aspera
Hydrangea macrophylla--Bigleaf Hydrangea
Hydrangea quercifolia--Oak-leaved Hydrangea
Hypericum androsaemum--Tutsan
Ilex crenata--Japanese Holly
Impatiens balsamina--Balsam
Impatiens hybrids--Impatiens
Itea virginica--Virginia Sweetspire
Kalmia latifolia--Mountain-laurel
Lamium galeobdolon--Yellow Archangel
Lamium maculatum--Spotted Deadnettle
Leucothoe fontainsiana--Drooping Leucothoe
Ligustrum vulgare--Common Privet
Lindera benzoin--Spicebush
Liriope muscari--Big Blue Lily Turf
Liriope spicata--Creeping Lily Turf
Lonicera maackii--Amur Honeysuckle
Lunaria annua--Money Plant
Luzula maxima--Greater Woodrush
Luzula nivea--Snowy Woodrush
Lysimachia nummularia--Creeping Jenny
Lythrum salicaria--Purple Loosestrife
Macleaya cordata--Plume Poppy
Macleaya microcarpa
Mahonia aquifolium--Oregon Grape Holly
Mahonia repens--Creeping Mahonia
Malcolmia maritima--Virginia Stock
Matteuccia struthiopteris--Ostrich Fern
Mertensia virginica--Virginia Bluebells
Microbiota decussata--Siberian Cypress
Mimulus--Monkeyflower
Muscari spp.--Grape Hyacinth
Nandina domestica--Heavenly Bamboo
Omphalodes cappadocica
Omphalodes verna--Creeping Forget-Me-Not
Onoclea sensibilis--Sensitive Fern
Osmunda cinnamomea--Cinnamon Fern
Osmunda regalis--Royal Fern
Pachysandra procumbens--Allegheny Spurge
Pachysandra terminalis
Petasites hybridus--Hybrid Butterbur
Petasites japonicus--Japanese Butterbur
Petasites paradoxus
Philadelphus coronarius--Sweet Mockorange
Phlox divaricata--Wild Blue Phlox
Podophyllum peltatum--May Apple
Polemonium caeruleum--Jacob's Ladder
Polygonatum odoratum--Solomon's-seal
Polystichum acrostichoides--Christmas Fern
Polystichum setiferum--Soft Shield Fern
Polystichum tsus-simense--Tsusima Holly Fern
Primula japonica--Japanese Primrose
Primula sieboldii--Siebold Primrose
Prunella grandiflora--Self-heal
Ptelea trifoliata--Hoptree
Pulmonaria--Lungwort
Pulmonaria longifolia
Pulsatilla--Pasque Flower
Puschkinia scilloides var. libanotica
Rhododendron--Rhododendron, Azalea
Azaleas - Hardy species and hybrids
Rhodotypos scandens--Black Jetbead
Ribes alpinum--Alpine Currant
Rodgersia aesculifolia--Fingerleaf Rodgersia
Sagina subulata--Corsican Pearlwort
Sarcococca hookerana--Himalayan Sarcococca
Schizophragma hydrangeoides--Japanese Hydrangea Vine
Sedum album--White Stonecrop
Spiraea trilobata--Three Lobed Spirea
Stephanandra incisa--Cutleaf Stephanandra
Stylophorum diphyllum--Celandine Poppy
Symphoricarpos albus--Common Snowberry
Symphoricarpos orbiculatus--Indiancurrent Coralberry
Taxus canadensis--Canadian Yew
Taxus cuspidata--Japanese Yew
Taxus x hunnewelliana--Hunnewell Yew
Taxus x media--Anglojap Yew
Thalictrum kiusianum
Thujopsis dolobrata--Hiba Arborvitae
Tiarella cordifolia--Allegheny Foamflower
Tiarella wherryi--Foamflower
Torenia fournieri--Wishbone Flower
Tricyrtis formosana--Formosa Toad-lily
Tricyrtis hirta--Toad Lily
Trillium erectum--Red Trillium
Trillium grandiflorum--Wood Lily
Trillium luteum--Yellow Trillium
Trillium undulatum--Painted Trillium
Viburnum molle--Kentucky Viburnum
Viburnum prunifolium--Blackhaw Viburnum
Viburnum rhytidophyllum--Leatherleaf Viburnum
Viburnum rufidulum--Southern Viburnum
Vinca minor--Myrtle

TOLERATES WET SOILS
Acer rubrum--Red Maple
Acorus calamus--Sweet Flag
Alnus glutinosa--European Alder
Alnus incana--Gray Alder
Alnus rugosa--Speckled Alder
Amelanchier canadensis--Shadblow Serviceberry
Aronia arbutifolia--Red Chokeberry
Aruncus dioicus--Goatsbeard
Asarum canadense--Wild Ginger
Asarum europaeum--European Wild Ginger
Asclepias incarnata--Swamp Milkweed
Astilbe x arendsii--False Spirea
Astilbe simplicifolia--Star Astilbe
Astilboides tabularis
Bergenia cordifolia--Heartleaf Bergenia
Betula nigra--River Birch
Betula papyrifera--Paper Birch
Calamagrostis x acutiflora--Feather Reed Grass
Caltha palustris--Marsh Marigold
Carex buchananii--Leatherleaf Sedge Grass
Carex elata--Tufted Sedge
Carex morrowii--Japanese Sedge Grass
Carex muskingumensis--Palm Sedge
Carex siderosticha--Creeping Broad-leaf Sedge
Cephalanthus occidentalis--Buttonbush
Chamaecyparis thyoides--Whitecedar Falsecypress
Clethra alnifolia--Summersweet
Coix lacryma-jobi--Job's Tears
Colocasia esculenta--Taro
Cornus racemosa--Gray Dogwood
Cornus sericea (stolonifera)--Red Twigged Dogwood
Corylus colurna--Turkish Filbert
Deschampsia caespitosa--Tufted Hair Grass
Dirca palustris--Leatherwood
Eupatorium spp.--Joy Pye Weed
Filipendula purpurea
Filipendula rubra--Queen-of-the-Prairie
Filipendula ulmaria--Queen-of-the-Meadow
Fraxinus latifolia--Oregon Ash
Fraxinus mandshurica 'Mancana'--Mancana Ash
Fraxinus nigra--Black Ash
Fraxinus pennsylvanica--Green Ash
Glyceria maxima 'Variegata'--Manna Grass
Hibiscus moscheutos--Rose Mallow
Houttuynia cordata--Korean Houttuynia
Ilex decidua--Possumhaw
Ilex verticillata--Winterberry
Iris ensata--Japanese Iris
Iris pseudacorus--Yellow Flag
Iris setosa
Iris siberica--Siberian Iris
Iris versicolor--Blue Flag
Itea virginica--Virginia Sweetspire
Juncus effusus--Soft Rush
Kalmia angustifolia--Sheep Laurel
Ledum groenlandicum--Labrador Tea
Limnanthes douglasii--Fried Eggs
Lobelia cardinalis--Cardinal Flower
Lobelia siphilitica--Great Blue Lobelia
Lonicera maackii--Amur Honeysuckle
Luzula maxima--Greater Woodrush
Luzula nivea--Snowy Woodrush
Lysimachia punctata--Yellow loosestrife
Lythrum salicaria--Purple Loosestrife
Lythrum virgatum--Wand Loosestrife
Maclura pomifera--Osage Orange
Matteuccia struthiopteris--Ostrich Fern
Mimulus--Monkeyflower
Myosotis scorpioides--Forget-Me-Not
Nyssa sylvatica--Black Gum
Onoclea sensibilis--Sensitive Fern
Osmunda cinnamomea--Cinnamon Fern
Osmunda regalis--Royal Fern
Panicum virgatum--Switch Grass
Petasites hybridus--Hybrid Butterbur
Petasites japonicus--Japanese Butterbur
Petasites paradoxus
Phalaris arundinacea--Reed Canary Grass
Physocarpus opulifolius--Common Ninebark
Picea mariana--Black Spruce
Platanus occidentalis--Sycamore
Populus angustifolia--Narrow Leaf Poplar
Populus deltoides--Eastern Cottonwood
Populus sargentii--Sargent Poplar
Populus tremuloides--Quaking Aspen
Populus trichocarpa--Black Cottonwood
Primula x bulleesiana
Primula japonica--Japanese Primrose
Quercus bicolor--Swamp White Oak
Rodgersia aesculifolia--Fingerleaf Rodgersia
Salix alba--White Willow
Salix x cottetii--Banker's Willow
Salix discolor--Pussy Willow
Salix pentandra--Laurel Willow
Salix purpurea--Purpleosier Willow
Sambucus canadensis--Elderberry
Sambucus nigra--European Elder
Sanguisorba canadensis--Canadian Burnet
Sorghastrum nutans--Indian Grass
Spartina pectinata--Prairie Cord Grass
Spiranthes cernua--Nodding Ladies Tresses
Taxodium distichum--Common Bald Cypress
Thuja occidentalis--White Cedar
Thuja plicata--Giant Arborvitae
Trollius x cultorum--Globeflower
Trollius europeus--Common Globeflower
Viburnum molle--Kentucky Viburnum

TOLMIEA
Tolmiea--Piggyback Plant
Tolmiea Insect Problems
Tolmiea Disease Problems

TOOTHED WOOD FERN
Dryopteris carthusiana--Toothed Wood Fern

TORCH LILY
Kniphofia uvaria--Torch Lily

TORENIA FOURNIERI
Torenia fournieri--Wishbone Flower

TRACHYMENE COERULEA
Trachymene coerulea--Blue Lace Flower

TRADESCANTIA VIRGINIANA
Tradescantia virginiana--Spiderwort

TRAILING ARBUTUS
Epigaea repens--Trailing Arbutus

TRAILING ICE PLANT
Delosperma cooperi--Trailing Ice Plant

TRANSPLANTING
Transplanting Ornamentals

TRANSPLANTING HOUSE PLANTS
Transplanting House Plants

TREASURE FLOWER
Gazania--Treasure Flower

TREATED WOOD
Using Treated Wood Around The Garden

TREE IVY
Fatshedera lizei--Tree Ivy

TREE MALLOW
Lavatera thuringiaca--Tree Mallow

TREE PEONY
Paeonia suffruticosa--Tree Peony

TREEHOPPERS
Cercis Insect Problems
Viburnum Insect Problems

TREES
Ornamental Tree Traits
Trees For Windbreaks
Plant Quality
Pruning At The Wrong Time
Grade Change
Lightning
Snow Damage
Hail Damage
Wind Damage
Cold Injury
Frost Cracks
Ice Damage
Bark Shedding
Spring Leaf Drop
Gummosis
Natural Fruit Drop
Girdling Roots
Failure To Flower
Failure To Fruit
Construction Injury
Chemical Injury on Evergreens
Decline And Dieback
Selecting Trees
Preplanting Instructions
Transplanting Ornamentals
Planting Trees and Shrubs
After Planting Care
Pruning Landscape Plants
Pruning Equipment
General Pruning Procedures
Pruning Young Trees
Pruning Mature Trees
Pruning Narrow-leaved Evergreens
Fertilizer For Ornamentals
Water Movement in Trees and Shrubs.
Tolerance to De-icing Salt Spray
Woody Ornamentals As Windbreaks

TRICYRTIS FORMOSANA
Tricyrtis formosana--Formosa Toad-lily

TRICYRTIS HIRTA
Tricyrtis hirta--Toad Lily

TRIDENT MAPLE
Acer buergerianum--Trident Maple

TRIFOLIUM REPENS
Trifolium repens--White Clover

TRILLIUM ERECTUM
Trillium erectum--Red Trillium

TRILLIUM GRANDIFLORUM
Trillium grandiflorum--Wood Lily

TRILLIUM LUTEUM
Trillium luteum--Yellow Trillium

TRILLIUM UNDULATUM
Trillium undulatum--Painted Trillium

TRITELEIA LAXA
Brodiaea laxa--Grassnut

TROLLIUS EUROPEUS
Trollius europeus--Common Globeflower

TROLLIUS X CULTORUM
Trollius x cultorum--Globeflower

TROPAEOLUM
Tropaeolum--Nasturtium
Tropaeolum Insect Problems
Tropaeolum Disease Problems

TROPAEOLUM PERIGRINUM
Tropaeolum perigrinum--Canary-bird Vine

TROUT LILY
Erythronium americanum--Trout Lily

TRUMPET CREEPERS
Campsis radicans--Trumpet Creeper
Campsis x tagliabuana 'Madame Galen'
Campsis Insect Problems
Campsis Disease Problems

TRUMPET FLOWER
Incarvillea delaveyi--Hardy Gloxinia

TRUMPET HONEYSUCKLES
Lonicera sempervirens--Trumpet Honeysuckle

TRUMPET VINE
Campsis radicans--Trumpet Creeper

TRUNK BORERS
Shoot, Stem And Trunk Borers

TSUGA CANADENSIS
Tsuga canadensis--Canadian Hemlock

TSUGA CAROLINIANA
Tsuga caroliniana--Carolina Hemlock

TSUGA CHINENSIS
Tsuga chinensis--Chinese Hemlock

TSUGA DIVERSIFOLIA
Tsuga diversifolia--Northern Japanese Hemlock

TSUGA HETEROPHYLLA
Tsuga heterophylla--Western Hemlock

TSUGA MERTENSIANA
Tsuga mertensiana--Mountain Hemlock

TSUGA SIEBOLDII
Tsuga sieboldii--Southern Japanese Hemlock

TSUSIMA HOLLY FERN
Polystichum tsus-simense--Tsusima Holly Fern

TUBE CLEMATIS
Clematis heracleifolia--Tube Clematis

TUBER OAT GRASS
Arrhenatherum elatius var. bulbosum 'Variegatum'

TUBER ROTS
Caladium Disease Problems

TUBEROSE
Polianthes tuberosa--Tuberose

TUBEROUS BEGONIA
Begonia x tuberhybrida--Tuberous Begonia
Tuberous Begonia Insect Problems
Tuberous Begonia Disease Problems

TUFTED HAIR GRASS
Deschampsia caespitosa--Tufted Hair Grass

TUFTED SEDGE
Carex elata--Tufted Sedge

TULIP BULB APHIDS
Crocus Insect Problems
Gladiolus Insect Problems
Narcissus Insect Problems

TULIPS
Forcing Bulbs
Tulipa spp.--Tulip
Tulip Insect Problems
Tulip Disease Problems

TULIPTREE
Liriodendron tulipifera--Tuliptree
Liriodendron Insect Problems
Liriodendron Disease Problems

TUNIC FLOWER
Tunica saxifraga--Tunic Flower

TUNICA SAXIFRAGA
Tunica saxifraga--Tunic Flower

TURF
Selecting Lawn Grasses
Lawn Site Preparation
Starting A Lawn From Seed
Starting A Lawn From Sod
Proper Lawn Mowing
Watering Lawns
Fertilizing Lawns
Lawn Weed Control
Controlling Lawn Thatch
Controlling Moles
Controlling Moss In The Lawn
Controlling Lawn Insects
Controlling Lawn Diseases

TURKEY OAK
Quercus cerris--Turkey Oak

TURKISH FILBERT
Corylus colurna--Turkish Filbert

TURTLEHEAD
Chelone spp.--Turtlehead

TUTSAN
Hypericum androsaemum--Tutsan

TWIG BLIGHT
Ficus Disease Problems
Juniperus Disease Problems
Oxydendrum Disease Problems
Rhodotypos Disease Problems
Sophora Disease Problems
Taxodium Disease Problems
Twig Blight Of Juniper

TWIG GIRDLER
Carya Insect Problems

TWIG PRUNER
Quercus Insect Problems

TWINSPUR
Diascia barberae--Twinspur

TWO-LINED CHESTNUT BORER
Ostrya Insect Problems

TWO-ROW STONECROP
Sedum spurium--Two-row Stonecrop

TWO-WINGED SILVERBELL
Halesia diptera--Two-winged Silverbell
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