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Blackbrush Acacia

Vachellia rigidula

Last reviewed: June 2026

Blackbrush Acacia (Vachellia rigidula)
Photo: (c) Adriana Nelly Correa Sandoval, some rights reserved (CC BY), uploaded by Adriana Nelly Correa Sandoval

Light

part sun

Water

medium

Size

72"–228" H × 24"–48" W

Bloom

Mar, Apr, May

Native to

TX

Pollinators

butterflies, bees, moths

Blackbrush Acacia is a small native tree that grows 6-19 feet tall with a narrow, upright form. It produces fragrant yellow flower clusters in spring and has small compound leaves that drop in winter. The tree develops attractive bark texture and can handle drought conditions once established.

In an HOA neighborhood

Blackbrush Acacia is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 3 out of 5.

Works well in: front yard, mid zone.

  • Trees often require HOA/ARC approval even when allowed.
  • Verify setbacks from sidewalks, driveways, utilities, and structures.
  • Confirm mature height/canopy limits and sightline rules for corners.

Wildlife value

The fragrant spring blooms attract butterflies, bees, and moths for nectar. Seeds provide food for birds and small wildlife.

Common questions

How much sun does Blackbrush Acacia need?
Blackbrush Acacia grows best in part sun conditions.
When does Blackbrush Acacia bloom?
Blackbrush Acacia blooms in March, April, and May.
Where is Blackbrush Acacia native?
Blackbrush Acacia (Vachellia rigidula) is native to TX, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Blackbrush Acacia attract?
Blackbrush Acacia draws butterflies, bees, and moths.
Is Blackbrush Acacia HOA-friendly?
Blackbrush Acacia is generally an HOA-friendly choice in the right placement, with moderate maintenance.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Blackbrush Acacia fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.