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Marsh Obedient Plant

Physostegia intermedia

Other common name(s):

Spring Obedient Plant, Slender False Dragonhead, Intermediate False Dragonhead

Family:

Lamiaceae (Mint Family)

Plant Ecoregion Distribution Map

Gulf Coast Prairies and Marshes, Texas Blackland Prairies, Western Gulf Coastal Plain
Floodplains and Low Terraces4, Northern Humid Gulf Coastal Prairies
Floodplains and Low Terraces1, Northern Blackland Prairie, Southern Blackland Prairie
Flatwoods, Floodplains and Low Terraces3, Pleistocene Fluvial Terraces, Red River Bottomlands, Southern Tertiary Uplands, Tertiary Uplands

Plant Characteristics

Growth Form

Wetland

Height

1
to
5
ft.

Spread

1
to
5
ft.

Leaf Retention

Deciduous

Lifespan

Perennial

Habitat and Care Requirements

Soil Type(s)

Sand, Loam, Clay, Moist

Light Requirement

Sun, Part Shade

Water Requirement

High

Native Habitat

Wetland or Riparian

Bloom and Attraction

Bloom Color

White, Pink, Purple

Bloom Season

Spring, Summer

Seasonal Interest

Nectar, Flowers

Wildlife Benefit

Butterflies, Hummingbirds, Bees

Maintenance

Easy to grow. Good for wetland gardens and habitat. Spreads easily, thin according to garden space. Set up a pond or a water collection tank near a downspout to supplement water. Propagation: Root division.

Comments

Blooms April-July. The 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. Attracts butterflies and hummingbirds. Nectar-Bees, Nectar-insects
Previous Scientific Name(s): Synonym(s): Dracocephalum intermedium, Physostegia micrantha

References

1) Griffith, Bryce, Omernick & Rodgers (2007). Ecoregions of Texas. 2) Wasowski and Wasowski, Native Texas Plants Landscaping Region by Region, 1991, pg. 204. 3) https://www.wildflower.org/plants/result.php?id_plant=PHIN8. 4) http://bonap.net/TDC/Image/Map?taxonType=Species&taxonId=13578&locationType=County&mapType=Normal. 5) https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=32389#null

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Contact a local Chapter

State Office Phone: 830.997.9272

State Office Address:
Native Plant Society of Texas
PO Box 3017
Fredericksburg, TX 78624

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