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Plant profile · Austin & Hill Country

Lateflowering Thoroughwort

Eupatorium serotinum
native · Hill Country

Lateflowering Thoroughwort is a perennial wildflower native to the Texas Hill Country that grows 1–3 ft tall and 4 ft wide. It wants full sun or part shade and medium water, and handles clay soil. Blooms white in Sep–Nov. Deer rarely browse it. Good for butterflies.

Will it grow in your yard?

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The facts

5 sources
Type
Perennial wildflower
Sun
Full sun to part shade (3–6 hrs of direct sun)
Water
Medium
Height
1–3 ft
Spread
4 ft
Bloom
Sep–Nov · white
Foliage
Deciduous or dies back in winter
Soil
Takes clay · recorded on clay, loam, moist, sand
Deer
High — deer rarely browse it
Wildlife
Supports butterflies

Where it grows

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

Balcones CanyonlandsEdwards Plateau WoodlandNorthern Blackland PrairieSouthern Post Oak SavannaFloodplains and Low TerracesSan Antonio Prairie

1,248 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.