Physostegia, False Dragonhead, Obedient Plant

Physostegiapulchella

Family
Lamiaceae (lay-mee-AY-see-ee)
Genus
Physostegia (fy-so-STEEJ-ee-uh)
Species
pulchella (pul-KEL-uh)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
24-36 in. (60-90 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color
Rose/Mauve
Lavender
Bloom Time
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
By dividing the rootball
From herbaceous stem cuttings
From seed; direct sow after last frost
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Jones, Alabama

Bartow, Florida

Fayetteville, New York

Fargo, North Dakota

Dickson, Tennessee

Nashville, Tennessee

Arlington, Texas

Fort Worth, Texas

Montgomery, Texas

Onalaska, Texas

Shepherd, Texas

Spicewood, Texas

Richmond, Virginia

Springfield, Virginia

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Gardener's Notes:

1
positive
3
neutrals
0
negative
Sort By:
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Q
Q
Shepherd, TX (Zone 8b) | April 2005 | neutral

It just kind of showed up this year in my bog area. I didn't know for sure if it was going to be anything showy until it bloomed. It's ...Read More

S
Mississauga, ON (Zone 6a) | May 2003 | positive

I've had this plant in my zone 5-6 garden for 3 years. This far north (Toronto area) it blooms mid-late August for several weeks & puts o...Read More

W
Spicewood, TX (Zone 8b) | May 2002 | neutral

There aren't many plants that will be this showy while growing in shady bog garden conditions. These one bloom for about three weeks in ...Read More

T
T
Murfreesboro, TN (Zone 7a) | August 2001 | neutral

A native to moist bottomlands of West Texas.

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