Introduction
Alligator Plant Acanthus (Acanthus mollis) is a bold, architectural perennial with large, deeply lobed, glossy dark green leaves and tall spikes of white and purple hooded flowers in spring. It is a moderate warm-season perennial that performs well in Florida's spring and fall seasons and adds dramatic texture to shaded gardens. Available in a #1 container.
Growing conditions
- Light: Partial shade to full shade; tolerates some morning sun.
- Water: Moderate; keep soil consistently moist but not waterlogged.
- Soil: Rich, well-draining soil with good organic matter.
- Fertilizer: Balanced slow-release fertilizer in early spring.
- Season: Warm-season perennial; blooms in spring in Florida.
Planting tips
Plant in a shaded, well-drained location. Excellent for shaded borders, woodland gardens, and as a bold specimen plant. Mulch around the base to retain moisture and keep roots cool. Divide clumps every 3 to 4 years to maintain vigor. Deer-resistant.
Troubleshooting
Leaf scorch
Too much direct sun. Move to a shadier location with morning sun and afternoon shade.
Powdery mildew
Fungal disease in humid conditions. Improve air circulation and avoid overhead watering.
Slugs and snails
Irregular holes in leaves. Apply iron phosphate slug bait around the base of the plant.
Pet safety
Acanthus is non-toxic to pets and is generally considered safe around dogs and cats.
Quick care summary
Difficulty: Moderate. Light: Partial shade to full shade. Watering: Moderate, keep consistently moist. Humidity: Moderate to high. Pet safety: Non-toxic.
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