Alkaline-Tolerant Plants (click here for printer-friendly version)
The following plants are more or less tolerant of soils with pH above 7.
| Alkaline-Tolerant Trees Acer spp (Maples including Japanese) Aesculus (horsechestnuts) Carpinus betulus (European hornbeam) Carpinus caroliniana (American hornbeam, blue beech) Carya glabra (pignut hickory) Carya illinoensis (pecan) Catalpa bignonioides (southern catalpa) Catalpa speciosa (northern catalpa) Ceris canadensis (redbud) Elaeagnus angustifolia (Russian olive) Fraxinus pennsylvanica (green ash) Gleditsia triacanthos (honey locust) Gymnocladus dioicus (Kentucky coffee tree) Hibiscus syriacus (rose of sharon) Juniperus virginiana (eastern redcedar) Koelreuteria paniculatea (goldenrain tree) Ostrya virginiana (American hophornbeam) Picea omorika (Serbian spruce) Pinus nigra (austrian pine) Platanus occidentalis (sycamore) Platanus x acerifolia (London planetree) Populus spp. (poplar, cottonwood) Quercus bicolor (swamp white oak) Quercus macrocarpa (bur oak) Quercus muehlenbergii (chinkapin oak) Quercus phellos (willow oak) Quercus robur (English oak) Tilia cordata (littleleaf linden) Ulmus alata (winged elm) |
Alkaline-Tolerant Shrubs Abelia x grandiflora (glossy abelia) Abeliophyllum distichum (white forsythia) Acanthopanax sieboldianus (five-fingered aralia) Berberis thunbergii (Japanese barberry) Berberis x mentorensis (mentor barberry) Buxus microphylla (boxwood) Calycanthus floridus (sweetshrub, ) Cotinus coggygria (smoke tree) Cotoneaster spiculatus (cranberry cotoneaaster) Cotoneaster divaricatus (spreading cotoneaster) Cytisus scoparius (scotch broom) Erica carnea (Spring heath) Euonymus alatus (winged burning bush) Euonymus fortunei (wintercreeper) Euonymus fortunei (bigleaf wintercreeper) Exochorda racemosa (pearl bush) Genista pilosa (creeping broom, woadwaxen) Hibiscus syriacus (rose of sharon) Hydranges macrophylla (bigleaf hydrangea) Juniperus chinensis (blue vase juniper) Juniperus chinensis (hetzii juniper) Juniperus chinensis (mint julep juniper) Juniperus chinensis (pfitzer juniper) Juniperus chinensis (torulosa juniper) Juniperus horizontalis (andora juniper) Juniperus sabina (savin juniper) Juniperus virginiana (eastern redcedar) Kalmia latifolia (mountain laurel) Opuntia spp. (prickly pear cactus) Potentilla fruticosa (bush cinquefoil) Spiraea prunifolia (bridal wreath spiraea) Viburnum dentatum (arrowwood) Viburnum lantana (wayfaring tree) Viburnum opulus (European highbush cranberry) Viburnum opulus (European snowball) Viburnum sargentii (sargent viburnum) |
| Alkaline-Tolerant Perennials Adiantum capillus-veneris Imbricatum, (Maidenhair Fern) Adiantum pedatum Eco Aurora-borealis, Adiantum pedatum Miss Sharples, Adiantum pedatum Montanum, Ajuga spp (Bugleweed) Aurinia (Basket-of-gold) Chiastophyllum oppositifolium Goldtrop Convallaria (Lily of the Valley) Cyclamen hederifolium, Cyclamen hederifolium Album, Cyclamen pseudibericum, Denstaedtia (Hay-scented Fern) Dianthus alpinus, (Pinks) Dianthus alpinus Albus, Dianthus barbatus (Sweet William) Dianthus barbatus Indian Carpet, Dianthus barbatus Newport Pink, Dianthus barbatus Roundabout Mix, Dianthus deltoides, (Maiden Pinks) Erysimum helveticum, (Wallflowers) Erysimum hieraciifolium, Erysimum kotschyanum, Erysimum kotschyanum Orange Flame, Erysimum pulchellum, Erysimum pulchellum Auranticum, Geum reptans, (Creeping Avens) Hemerocallis (Daylilies) Hosta hybrids (Plantain lilies) Iris hybrids (Bearded iris, dwarf iris) Ixia hybrids, (African Corn Lily) Ixia maculata, Lamiastrum (False Lamium, 'Herman's Pride') Lathyrus vernus, (Spring Vetchling) Lathyrus vernus Albiflorus, Lathyrus vernus Caerulea, Lathyrus vernus Roseus, Monarda (Bee Balm) Opuntia spp (Prickly Pear) Paeonia hybrids (herbaceous peonies) Perovskia (Russian Sage) Phlomis (Jerusalem Sage) Primula latifolia, P. viscosa (Sticky Primrose) Salvia (sages) Saxifraga cochlearis var. minor (Rockfoil) |
Alkaline-Tolerant Herbs Artemisia absinthium (wormwood) (also other artemisia spp) Borago officinalis (borage) Chamaemelum nobile (chamomile) Filipendula ulmaria (queen-of-the-meadow) Foeniculum vulgare (bronze fennel) Hyssopus officinalis (hyssop) Lavandula angustifolia (lavender) Marrubium vulgare (common horehound) Salvia officinalis (red sage) Satureja montana (winter savory) Thymus spp (thymes) |