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Plant profile · Austin & Hill Country

Texas Lignum-vitae

Guaiacum angustifolium
native · Hill Country

Texas Lignum-vitae is a tree native to the Texas Hill Country that grows 8–10 ft tall and 20 ft wide. It wants full sun or part shade and low water, and handles caliche and clay soil. Blooms purple and violet in Mar–Sep. Evergreen — it holds its leaves through winter. Good for butterflies.

Will it grow in your yard?

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The facts

3 sources
Type
Tree
Sun
Full sun to part shade (3–7 hrs of direct sun)
Water
Low
Height
8–10 ft
Spread
20 ft
Bloom
Mar–Sep · purple, violet
Foliage
Evergreen
Soil
Takes caliche and clay · recorded on clay, dry, loam, sand, well drained
Wildlife
Supports butterflies

Where it grows

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

Balcones CanyonlandsLlano UpliftEdwards Plateau Woodland

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.