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Native Plant Society of Texas

Prairie False Foxglove

Agalinis heterophylla

Orobanchaceae (Broomrape Family)

Prairie Agalinis

Courtesy: Romfh, Peggy, https://www.wildflower.org/gallery/result.php?id_image=42378
Courtesy: Romfh, Peggy, https://www.wildflower.org/gallery/result.php?id_image=42378
Courtesy: Strickland, Sam C., https://www.wildflower.org/gallery/result.php?id_image=19421
Courtesy: Strickland, Sam C., https://www.wildflower.org/gallery/result.php?id_image=19421

Plant Ecoregion Distribution Map

Native Habitat: Grassland, Woodland
Cross Timbers, East Central Texas Plains, Gulf Coast Prairies and Marshes, Texas Blackland Prairies, Western Gulf Coastal Plain

Maintenance

Grows in prairies and woodland edges

Comments

Prairie False Foxglove is a warm-season annual. It’s name means “grass killer”, as it can shadow and suppress lower growing grasses. The flowers are light pink to purple and tubular. The stems turn black in the fall. Larval host plant for the buckeye butterfly.

Growth Form

Herbaceous

Height

1 to
3 ft

Spread

1 to
3 ft

Soil Type(s)

Sand, Loam, Clay, Rocky, Moist

Light Requirement

Part Shade

Water Requirement

Low, Medium

Leaf Retention

Deciduous

Lifespan

Annual

Bloom Color

Pink, Purple

Bloom Season

Spring, Summer, Fall

Seasonal Interest

Nectar, Larval Host

Wildlife Benefit

Butterflies, Bees

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Previous Scientific Name(s): Synonym(s): Gerardia heterophylla

References

1) Griffith, Bryce, Omernick & Rodgers (2007). Ecoregions of Texas. 2) https://www.wildflower.org/plants/result.php?id_plant=AGHE4. 3) http://bonap.net/TDC/Image/Map?taxonType=Species&taxonId=16277&locationType=County&mapType=Normal. 4) https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=33027#null, 5) https://houstonaudubon.org/sanctuaries/bolivar-flats/bolivar/prairie-gerardia.html

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State Office Phone: 830.997.9272

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

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