Image of Physostegia virginiana
Source: OWSL
image of Flowering plant
Physostegia virginiana
Obedient Plant
Physostégie de Virginie

Obsolete Names

obedient plant
No seeds available for this plant.
We currently accept seeds for this plant
Bloom colour: Pink Bloom period: Jul - Sep
Max Height: 4.0 feet
Max Width: 2.0 feet (spreads by rhizome)
Light condition:
Full sun More than 6 hours of direct sun a day
Part shade More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Moisture medium Tolerates medium soil condition
Lifespan: Perennial plants that will that come back year after year
Gardener Experience:
plant germinate easy Easy to germinate
plant self seeding Self-seeding
Landscape uses:
wetland garden Suitable for wetland garden
rain garden Suitable for rain gardens
container suitable Suitable for container garden
school garden Suitable for school gardens
foot traffic tolerant Tolerates foot traffic
Ecological Benefits: No ecological benefits information available.
Tolerates:
Salt Tolerant Tolerates salt conditions
Deer Resistant Deer resistant
rabbit resistant Rabbit resistant
foot traffic Tolerant Tolerates foot traffic
limestone Tolerant Tolerates limestone conditions
juglone Tolerant Tolerates juglone conditions
transplantation Tolerant Tolerates transplantation
Special Features and Considerations:

Plant Location

Native to Ottawa region: Yes

Distribution according to VASCAN

Distribution: Physostegia virginiana
Ephemeral Native Introduced Excluded Extirpated Doubtful Absent
View taxonomy on Canadensys

View on iNaturalist

Thrives in Ecozones

  • Atlantic Maritime
  • Boreal Plains
  • Mixed Wood Plains

Ecological Benefits

Butterflies Supported by Physostegia virginiana

No butterfly data available for this plant.

Specialized Bees Supported by Physostegia virginiana

No bee data available for this plant.

Plants that grow in similar conditions, that bloom at the same time.

Complementary Plants

Substitute For Non-Native Plants

  • Penstemon digitalis (Foxglove)
  • Lamium (Dead nettle)
  • Delphinium (Delphinium)
  • Salvia (Non-Native Sage)
  • Hyacinthus (Non-Native Hyacynth)
  • Lamium galeobdolon (Yellow Archangel)
  • Impatiens glandulifera (Himalayan Balsam)
  • Baptisia (False Indigo)
  • Impatiens balsamina (Impatiens balsamina)

Sowing Information

Download Sowing Label (PDF)
  • Sowing depth: Sow just below surface
  • Sow by February
  • Stratification duration: 60 days
  • Self-seeding

Harvesting and Seed Sharing

  • Harvest start month: September
  • Harvesting indicator: Pods are brown, seeds are dark, and crisp, and little stem connecting the pod to the main stem is brown (not green)
  • Harvesting mean: Cut stem (including pods), let air dry in paper bag, then shake seeds off after a few days
  • Seed viability test: No test needed before donating
  • Packaging measure: 1 rounded 1/8 teaspoon
  • Seed storage: Air dry in paper bag or open container, for a few days until crisp, shaking seeds to move them once in a while to prevent molding
  • At least one cultivar: Yes, do not donate unless you know source, and there are no known cultivars in your garden or at proximity
  • Remove non seed material
  • No harvesting video available at this time.

Toxicity Notes

Inadequate information on toxicity found.