Michigan State University Extension
Ornamental Plants plus Version 3.0 - 00001089
11/12/99

Physostegia virginiana--False Dragonhead


Hardiness Zones: 2 to 9
Height: 48 in Spread: 24 in
Type: herbaceous perennial
Flowers: Pink, white

Comments: False Dragonhead is easy to grow but may become
a weed if not kept under control. The plant is valued for
its late summer flowers that are suitable for cutting.
The florets remain in a new position if bent resulting in
the additional common name of Obedient Plant. The plant
grows in most soils and in sun or partial shade. The
better the soil the faster the growth, leading to more
frequent division.

Propagation: Frequent division in fall or spring may be
needed to keep False Dragonhead under control. Seed
germinates in 2 to 3 weeks at 70 to 75 degrees.

Cultivars:
'Alba' - White flowers.
'Crown of Snow' - White flowers (Vis. 2).
'Pink Bouquet' - Rose pink flowers (Vis. 1).
'Rosea' - Pink flowers.
'Rosy Spire' - Lavender-pink flowers.
'Summer Snow' - Pure white flowers.
'Variegata' - Pink flowers, leaves green variegated
with white (Vis. 3).
'Vivid' - Bright pink flowers.

References for Cultivars: Walters Gardens 1999, Ray
Wiegand's Nursery 1999, Weston Nurseries 1999, Park Seeds
1994, White Flower Farm 1999, Lake County Nursery 1999,
Bailey Nurseries 1999, Wayside Gardens 1999, Sheridan
Nurseries 1999, Berryhill Nurseries 1999, Midwest
Groundcovers 1999.


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