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Plant profile · Austin & Hill Country
Carolina Buckthorn (Frangula caroliniana)
(c) Laura Clark, some rights reserved (CC BY) · iNaturalist

Carolina Buckthorn

Frangula caroliniana
Hills guide picknative · Hill Country

Carolina Buckthorn is a small tree native to the Texas Hill Country that grows 12–20 ft tall and 10–15 ft wide. It wants full sun or part shade and low water, and handles clay soil. Blooms yellow in late spring. Good for birds and butterflies.

Will it grow in your yard?

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From our guide

Village of the Hills

Small tree with glossy leaves and fruit that ripens red then black.

Why it works here

Excellent bird tree for part shade, with good yellow fall color and a clean upright habit.

Watch out

Wants some shade and a bit more moisture than a limestone slope provides. Fruit is mildly toxic to people.

The facts

7 sources
Type
Small tree
Sun
Full sun to part shade (3+ hrs)
Water
Low
Height
12–20 ft
Spread
10–15 ft
Bloom
Late Spring · yellow
Foliage
Deciduous
Soil
Takes clay · recorded on calcareous, clay, loam, moist, rocky, sand, well drained
Deer
Low — deer eat it; cage or plant where they cannot reach. Browsed readily. Needs protection in a deer yard.
Wildlife
Supports birds and butterflies
Size, sun, water and foliage from the Village of the Hills guide; the rest resolved across sources.

Where it grows

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

Balcones CanyonlandsLlano UpliftEdwards Plateau WoodlandNorthern Blackland PrairieSouthern Post Oak SavannaFloodplains and Low TerracesLimestone Cut PlainSan Antonio Prairie

1,053 occurrence records in Central Texas (GBIF).

Can you buy it?

In the Village of the Hills guide, but not on the grower stock lists we read yet. Ask a native-plant nursery.

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.