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Allamanda
Allamanda cathartica · Perennial
Allamanda is a fast-growing perennial, hardy in USDA zones 10-11, that matures to about 10–20 ft × 3–6 ft. It does best in full sun with medium water needs in well-drained and occasionally-wet soil. Expect yellow blooms in fall and summer. It attracts butterflies and grows happily in containers.
- USDA zones
- 10-11
- Sun
- Full sun
- Water
- Medium
- Mature size
- 10–20 ft × 3–6 ft
- Growth rate
- Fast
- Maintenance
- Medium
- Soil
- Well-drained, Occasionally-wet
- Foliage
- Green
- Bloom color
- Yellow
- Bloom season
- Fall, Summer
- Attracts
- Butterflies
- Toxic to
- People
- Native to
- Central and South America
Will it survive your winters?
We score Allamanda’s freeze-trouble range against the real coldest nights your area has recorded.
Powered by ~35 years of daily lows from the nearest NOAA weather station. A risk read, not a guarantee — a sheltered spot or mature plant beats the odds.
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