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Plant profile · Austin & Hill Country

Bearded Swallow-wort

Cynanchum barbigerum
native · Hill Country

Bearded Swallow-wort is a vine native to the Texas Hill Country that grows 0.5–1 ft tall and 6 ft wide. It wants full sun and medium water, and handles clay soil. Blooms white in Mar–Jul. Evergreen — it holds its leaves through winter. Deer rarely browse it. Good for butterflies.

Will it grow in your yard?

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The facts

3 sources
Type
Vine
Sun
Full sun (6–8 hrs of direct sun)
Water
Medium
Height
0.5–1 ft
Spread
6 ft
Bloom
Mar–Jul · white
Foliage
Evergreen
Soil
Takes clay · recorded on clay, granitic, limestone, sand, silt
Deer
High — deer rarely browse it
Wildlife
Supports butterflies

Where it grows

Recorded in this EPA Level IV ecoregion in the Austin and Hill Country launch area:

Balcones Canyonlands

Can you buy it?

Also grows here — hard to find. Native and recorded growing in Central Texas, but not on the grower stock lists we read. Sourcing varies: some are stocked widely, others you will have to hunt for.