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Flame acanthus

Anisacanthus quadrifidus

Last reviewed: July 2026

Flame acanthus (Anisacanthus quadrifidus)
Photo: (c) scott.zona, some rights reserved (CC BY)

Light

full sun

Water

low

Size

36"–48" H × 36"–48" W

Bloom

Jun, Jul, Aug, Sep, Oct

Native to

TX

Pollinators

hummingbirds, butterflies, bees

An airy, deciduous shrub with narrow, willow-like leaves and loose clusters of tubular orange-red flowers on open, arching branches. Its light, informal habit fills out quickly in the warm season.

In an HOA neighborhood

Flame acanthus is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 3 out of 5.

Works well in: front yard, foundation, mid zone.

  • loose, open habit benefits from occasional pruning to stay tidy

Wildlife value

Host plant for Texan crescent.

Tubular flowers are a strong late-summer hummingbird draw, and the foliage serves as a larval host plant for a native butterfly.

Common questions

How much sun does Flame acanthus need?
Flame acanthus grows best in full sun conditions.
When does Flame acanthus bloom?
Flame acanthus blooms in June, July, August, September, and October.
Where is Flame acanthus native?
Flame acanthus (Anisacanthus quadrifidus) is native to TX, per the USDA PLANTS Database and regional native plant society lists.
What butterflies or moths does Flame acanthus host?
Flame acanthus is a larval host plant for Texan crescent.
Is Flame acanthus HOA-friendly?
Flame acanthus 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 Flame acanthus fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.