
Flame Acanthus
Anisacanthus wrightii
Essentials
At a Glance
Plant Type
Shrub
Height
48 inches
Width
48 inches
Light
Full Sun, Partial Sun
Zones
7, 8, 9
Water
Low to moderate
Humidity
Average
Lifespan
Perennial
Native To
Texas, Mexico
Toxicity
Non-toxic
The Story
Plant Bio
Anisacanthus wrightii, commonly known as Flame Acanthus, is a deciduous shrub native to Texas and Mexico. It is prized for its profusion of slender, tubular, orange to red flowers that bloom from summer to fall. This species is exceptionally heat and drought tolerant, making it a superb choice for xeriscapes. Its vibrant flowers are a major attractant for hummingbirds and butterflies.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds into well-draining soil in spring for best germination.
- Mist cuttings regularly to maintain humidity during rooting.
- Plant in full sun for vigorous growth and abundant flowering.
- Water young plants weekly, reducing frequency as established.
- Fertilize monthly with a balanced fertilizer during growing season.
- Prune after flowering to promote bushy growth and remove dead wood.
Pro Tip
Use well-draining sandy soil and ensure full sun exposure for optimal growth.
Keep It Thriving
Care Guide
Do
- Water deeply during dry spells 🌱
- Prune lightly after flowering to shape the plant
- Apply a balanced fertilizer monthly during spring and summer
- Mulch around base to retain moisture
Don't
- Overwater to prevent root rot ❌
- Ignore pruning which encourages leggy growth
- Use heavy clay soil without amendments
- Expose to harsh winter conditions in cold zones
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mulch | ||||||||||||
| Plant | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Flame Acanthus questions
What zones can Flame Acanthus grow in?
Flame Acanthus is hardy in USDA Zones 7–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Flame Acanthus deer resistant?
Yes — Flame Acanthus is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Flame Acanthus bloom?
Flame Acanthus typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Flame Acanthus need full sun?
Flame Acanthus does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Flame Acanthus drought tolerant?
Yes — once established (usually after the first full season), Flame Acanthus handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
