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For successful seedlings,
see the growing notes at the bottom of the page!
Obedient plant (Physostegia virginiana), also known as Virginia false dragonhead, is a hardy native perennial that stands out with its lance-shaped leaves and graceful lavender flower spikes, which bloom from late summer to early fall. Suitable for naturalistic gardens, this plant spreads easily through its rhizomes, forming large colonies when provided with favourable growing conditions. Obedient plant is also highly attractive to pollinators, including bees and butterflies, as well as hummingbirds, who appreciate its abundant nectar.
Ecological roles
Obedient plant plays an important ecological role by supporting various pollinator species and contributing to biodiversity in gardens. Its late-season blooms provide a valuable nectar source for bees, butterflies, and hummingbirds when resources are scarcer at the end of the season. By colonizing the soil, it also helps stabilize banks and prevent erosion, making it especially useful in riparian and wetland settings. Growing obedient plant in ecological gardens allows one to enjoy its beauty while supporting local wildlife.
Obedient plant seeds require cold stratification to ensure germination. See the cultivation notes below for more details.
Akène cannot assume any responsibility for the use of plants for therapeutic purposes. Always seek advice from a professional before using a medicinal or edible plant.
Sowing and Growing
Technical Details
Seeds per packet: 150
Family: Lamiaceae
Scientific name: Physostegia virginiana
Life cycle: Perennial
Hardiness zone: 3
Soil type: Silty to clayey
Soil moisture level: Medium to slightly moist
Soil - additional attributes:
Light: Sun, partial shade
Blooming: July to October
Spacing: 60 cm
Height: 100 cm
Deer resistance: High
Stratification: 60 days
Scarification: No
Germination time: 7 to 15 days
Sowing depth: 5 mm