Physostegia intermedia (Nutt.) Engelm. & A. Gray
Spring Obedient Plant, Marsh Obedient Plant, Slender False Dragonhead, Intermediate False Dragonhead
Lamiaceae (Mint Family)
Synonym(s): Dracocephalum intermedium, Physostegia micrantha
USDA Symbol: PHIN8
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.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Size Notes: 1-5 feet.
Size Class: 3-6 ft.
Bloom InformationBloom Color: White , Pink , Purple
Bloom Time: May , Jun , Jul
DistributionUSA: 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 ConditionsWater Use: High
Light Requirement: Sun , Part Shade
Soil Moisture: Moist
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.
BenefitUse 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
PropagationPropagation Material: Root Division
Description: Not Available
Seed Collection: Not Available
Seed Treatment: Not Available
Find Seed or Plants
Order seed of this species from Native American Seed and help support the Wildflower Center.
Mr. Smarty Plants says
Native plants for seasonal poor drainage
May 16, 2006
I have an area in my front yard that has a drainage ditch running through it. When it rains, that area stays very wet. What kind of plants available for sale will work in this situation?
view the full question and answer
National Wetland Indicator Status
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Lady Bird Johnson Wildflower Center - Austin, TX
Texas Parks and Wildlife Department - Austin, TX
BibliographyBibref 318 - Native Texas Plants: Landscaping Region by Region (2002) Wasowski, S. & A. Wasowski
Bibref 281 - Shinners & Mahler's Illustrated Flora of North Central Texas (1999) Diggs, G. M.; B. L. Lipscomb; B. O'Kennon; W. F...
Bibref 248 - Texas Wildflowers: A Field Guide (1984) Loughmiller, C. & L. Loughmiller
Bibref 291 - Texas Wildscapes: Gardening for Wildlife (1999) Damude, N. & K.C. Bender
Bibref 286 - Wildflowers of the Texas Hill Country (1989) Enquist, M.
Search More Titles in Bibliography
Additional resourcesUSDA: Find Physostegia intermedia in USDA Plants
FNA: Find Physostegia intermedia in the Flora of North America (if available)
Google: Search Google for Physostegia intermedia
MetadataRecord Modified: 2015-12-19
Research By: NPC