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Plant profile · Austin & Hill Country

Heartleaf Four O'clock

Mirabilis nyctaginea
native · Hill Country

Heartleaf Four O'clock is a perennial wildflower native to the Texas Hill Country that grows 2–5 ft tall and 2.5 ft wide. It wants full sun or part shade and low water. Blooms pink in Apr–Nov. Good for hummingbirds and moths.

Will it grow in your yard?

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The facts

5 sources
Type
Perennial wildflower
Sun
Full sun to part shade (4–8 hrs of direct sun)
Water
Low
Height
2–5 ft
Spread
2.5 ft
Bloom
Apr–Nov · pink
Foliage
Deciduous or dies back in winter
Soil
Recorded on dry, gravelly, limestone, sand
Wildlife
Supports hummingbirds and moths

Where it grows

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

Balcones CanyonlandsNorthern Blackland PrairieFloodplains and Low TerracesLimestone Cut Plain

126 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.