Roundseed St. Johnswort
Hypericum sphaerocarpumnative · Central Texas
Roundseed St. Johnswort is a shrub native to Central Texas that grows 1–2 ft tall and 2 ft wide. It wants full sun or part shade and low water, and handles clay soil. Blooms yellow in summer. Good for bees, butterflies and beetles.
Will it grow in your yard?
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The facts
3 sources- Type
- Shrub
- Sun
- Full sun to part shade (4–8 hrs of direct sun)
- Water
- Low
- Height
- 1–2 ft
- Spread
- 2 ft
- Bloom
- Summer · yellow
- Foliage
- Deciduous or dies back in winter
- Soil
- Takes clay · recorded on calcareous, clay, dry, gravelly, rocky, sand
- Wildlife
- Supports bees, butterflies and beetles
Where it grows
Recorded in this EPA Level IV ecoregion in the Austin and Hill Country launch area:
Northern Blackland Prairie
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.