Lady Bird Johnson Wildflower Center - The University of Texas at Austin information

 Native Plant Database

Physostegia intermedia

Intermediate false dragonhead, Marsh obedient-plant, Obedient-plant, Slender false dragonhead, Spring obedient plant

Lamiaceae (Mint Family)

Physostegia intermedia (Intermediate false dragonhead)
Bransford, W.D. and Dolphia
The slender, 1-5 ft. stem of this perennial is solitary and usually unbranched. Its leaves are large and numerous toward the bottom, becoming progressively smaller and more widely spaced upward. Purple-streaked, lavender, funnel-shaped flowers cluster in terminal spikes.

This plant will grow in shallow, standing water. It attracts butterflies and hummingbirds.

Image Gallery:

18 photo(s) available

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: 1-5 feet.
Size Class: 3-6 ft.

Bloom Information

Bloom Color: White , Pink , Purple
Bloom Time: May , Jun , Jul


USA: AL , AR , IL , KY , LA , MO , OK , TX
Native Distribution: KY & two s. IL cos. to extreme s.e. MO, s. to LA & TX
Native Habitat: Stream banks Flood plains, Marshes, Swamps, Flood plains, bottomland

Growing Conditions

Water Use: High
Light Requirement: Sun , Part Shade
Soil Moisture: Moist
Aquatic: yes
Soil Description: Moist, heavy soils. Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay
Conditions Comments: Excellent plant when used at the edge of the water garden. Can be planted in gardens in part-shade with moist soil. Easy to grow. Good for wetland gardens and habitat. Can be used in shallow, standing water. It also has potential to be invasive.


Use Ornamental: Showy, Blooms ornamental, Bog or pond area, Water garden, Perennial garden
Use Wildlife: Obedient plant attracts butterflies and hummingbirds. Nectar-Bees, Nectar-insects
Conspicuous Flowers: yes
Nectar Source: yes
Deer Resistant: High

Last Update: 2007-01-01