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: Up to about 5 feet tall.
Bloom InformationBloom Color: White , Pink , Purple
Bloom Time: Apr , 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
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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?
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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
Web ReferenceWebref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
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: 2023-02-23
Research By: NPC