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Plant profile · Austin & Hill Country

Heartleaf Rosemallow

Hibiscus martianus
native · Central Texas

Heartleaf Rosemallow is a shrub native to Central Texas that grows 1–3 ft tall and 3 ft wide. It wants full sun or part shade and medium water, and handles caliche and clay soil. Blooms red in Jan–Dec. Good for butterflies and hummingbirds.

Will it grow in your yard?

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The facts

4 sources
Type
Shrub
Sun
Full sun to part shade (4–8 hrs of direct sun)
Water
Medium
Height
1–3 ft
Spread
3 ft
Bloom
Jan–Dec · red
Foliage
Deciduous or dies back in winter
Soil
Takes caliche and clay · recorded on caliche, dry, gravelly, limestone, loam, sand, well drained
Wildlife
Supports butterflies and hummingbirds

Where it grows

No Level IV record in the launch area yet. Recorded in these Texas ecoregions:

Rio Grande PlainChihuahuan DesertGulf Coast Prairies and MarshesSouthern Texas Plain

5 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.