White Rosinweed

Silphium albiflorum

native · Hill Countrysold locally

White Rosinweed is a perennial wildflower native to the Texas Hill Country that grows 1–3 ft tall and 3 ft wide. It wants full sun and low water, and handles caliche soil. Blooms white in May–Jul. Good for birds and butterflies.

Will it grow in your yard?

Enter your ZIP. The finder checks White Rosinweed against your microclimate, then ranks it against your sun, your watering and deer pressure.

The facts

5 sources

Type: Perennial wildflower
Sun: Full sun (6–8 hrs of direct sun)
Water: Low
Height: 1–3 ft
Spread: 3 ft
Bloom: May–Jul · white
Foliage: Deciduous or dies back in winter
Soil: Takes caliche · recorded on calcareous, dry, gravelly, limestone, sand
Deer: Moderate — deer may browse it, especially new growth
Wildlife: Supports birds and butterflies

Where it grows

Recorded in these EPA Level IV ecoregions in the Austin and Hill Country launch area:

Balcones CanyonlandsLimestone Cut Plain

276 occurrence records in Central Texas (GBIF).

Can you buy it?

Sold at local nurseries. Confirmed in stock at a Central Texas grower in these sizes:

2.5 and 4 inch pots

From the growers we read so far — a short list, not the whole trade. Call ahead.

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.