1 / 3Key characteristics
- Family
- Lamiaceae
- Height
- 2 to 4 feet
- Width
- 1 to 2 feet
- Flower color
- Pale pink to light purple
- Foliage color
- Dark green
- Bloom time
- Mid-summer to fall
- Light
- Full sun to part shade
- Water
- Medium to moist soil
- Maintenance
- Low; deadhead to prolong blooming, cut back in late fall or early spring
- Growing zone
- USDA zones 3 to 8
- Wildlife
- Bees, butterflies, and hummingbirds
Perennials
Physostegia virginiana
Obedient Plant
Physostegia virginiana, commonly known as the obedient plant, is a perennial native to North America. It is renowned for its spiked clusters of tubular flowers that bloom from mid-summer to early fall, with the blooms typically appearing in shades of pink, to light purple. The flowers are arranged in tall, narrow clusters that add a vertical accent to gardens, making it a popular choice for borders or naturalized areas.
Works well in
- Borders
- Cottage Gardens
- Pollinator Gardens
- Hummingbird Gardens
- Rain Gardens
Companion plants
Hellebores · Hardy geraniums · Hostas · Ferns · Astilbes · Foxgloves
Design tip
Late flowers extend the season, so set it behind or beside plants that finish in midsummer. Because it is easy about light, use it to carry a planting from a sunny end of the bed into the shadier side.
More perennials

Rodgersia podophylla
Rodger's Flower
Blooms creamy white to soft pink plumes held above the foliage
Partial shade to full shade

Achillea millefolium 'Lilac Beauty'
Lilac Beauty Yarrow
Blooms lilac purple, fading to pale pink or white
Full sun

Rodgersia podophylla 'Tien Tsin Red'
Tien Tsin Red Rodger's Flower
Blooms soft pink to creamy white plumes rising above the foliage
Partial shade to full shade

Astilbe simplicifolia 'Hennie Graafland'
Hennie Graafland Astilbe
Blooms pale pink, airy plumes
Partial shade to full shade