Spider Milkweed
Asclepias asperulaSpider Milkweed is a perennial wildflower native to the Texas Hill Country that grows 1–2 ft tall and 2 ft wide. It wants full sun and medium water, and handles caliche soil. Blooms white and green in Mar–Oct. Deer rarely browse it. Good for butterflies.
Toxic — livestock. Cardiac glycosides — antelope horns is a known livestock poisoner.
Will it grow in your yard?
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The facts
4 sources- Type
- Perennial wildflower
- Sun
- Full sun (6–8 hrs of direct sun)
- Water
- Medium
- Height
- 1–2 ft
- Spread
- 2 ft
- Bloom
- Mar–Oct · white, green
- Foliage
- Deciduous or dies back in winter
- Soil
- Takes caliche · recorded on caliche, dry, loam, moist, sand, well drained
- Deer
- High — deer rarely browse it
- Wildlife
- Supports butterflies
Where it grows
Recorded in these EPA Level IV ecoregions in the Austin and Hill Country launch area:
9,803 occurrence records in Central Texas (GBIF).
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.
also grows from seed It starts readily from seed, so a packet from a native-seed supplier, or seed collected with permission, is often the easiest way to get a plant no nursery pots.