Aquatic Milkweed

Asclepias perennis

White Swamp Milkweed

Courtesy: Marcus, Joseph A., https://www.wildflower.org/gallery/result.php?id_image=14538

Courtesy: Mullins, Mike, https://www.wildflower.org/gallery/result.php?id_image=36675

Plant Ecoregion Distribution Map (hover for ecoregion names)

Native Habitat: Wetland or Riparian

Gulf Coast Prairies and Marshes

Maintenance

Low maintenance. Set up a pond or a water collection tank near a downspout to supplement water.

Comments

White and pink flower clusters attract pollinators. Opposite elliptic leaves. Purple stem. Could do well in rain gardens. All parts toxic. Larval host for Monarch butterflies.

Growth Form

Wetland

Height

1.5 to

2 ft

Spread

0.5 to

1 ft

Soil Type(s)

Sand, Loam, Rich, Moist, Mud

Light Requirement

Sun, Part Shade

Water Requirement

Medium

Leaf Retention

Deciduous

Lifespan

Perennial

Bloom Color

White, Pink

Bloom Season

Spring, Summer

Seasonal Interest

Pollen, Larval Host

Wildlife Benefit

Butterflies, Bees

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References

1) Griffith, Bryce, Omernick & Rodgers (2007). Ecoregions of Texas. 2) https://www.wildflower.org/plants/result.php?id_plant=ASPE. 3) https://portal.torcherbaria.org/portal/taxa/index.php?taxon=Asclepias+perennis&formsubmit=Search+Terms. 4)http://bonap.net/TDC/Image/Map?taxonType=Species&taxonId=1418&locationType=County&mapType=Normal. 5) https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=30293#null

Native Plant Society of Texas