PlantHere

Plant profile · Austin & Hill Country

Awnless Bushsunflower

Simsia calva
native · Hill Countrysold locally

Awnless Bushsunflower is a shrub native to the Texas Hill Country that grows 1–3 ft tall and 3 ft wide. It wants full sun or part shade and low water, and handles caliche soil. Blooms orange and yellow in May–Nov. Good for birds and butterflies.

Will it grow in your yard?

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

The facts

6 sources
Type
Shrub
Sun
Full sun to part shade (5–8 hrs of direct sun)
Water
Low
Height
1–3 ft
Spread
3 ft
Bloom
May–Nov · orange, yellow
Foliage
Deciduous or dies back in winter
Soil
Takes caliche · recorded on caliche, dry, limestone, well drained
Wildlife
Supports birds and butterflies

Where it grows

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

Balcones CanyonlandsLlano UpliftEdwards Plateau WoodlandLimestone Cut Plain

543 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:

2.5–6 inch pots1 gallon
From the growers we read so far — a short list, not the whole trade. Call ahead.