Golden Trumpet
Allamanda cathartica
Family: Apocynaceae
Golden Trumpet grows in full sun and prefers rich, moist, well-drained soil. Water needs: Moderate.
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How to Grow Golden Trumpet
Golden Trumpet growing information includes sunlight requirements of Full sun, soil conditions listed as Rich, moist, well-drained soil with a soil pH of 5.5-7.0, and Moderate water needs. The listed hardiness zones are 10-11. For propagation reference, the database lists germination or establishment information for Golden Trumpet as 14-30 days, with planting or establishment depth listed as 1/4 inch. Days to maturity are listed as 2-3 years to mature flowering size.
Plant Overview
Golden Trumpet (Allamanda cathartica) is listed in the Apocynaceae family and categorized as a vine with a perennial evergreen vine or shrub life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Moderate.
- Plant ID
- PLT-0292
- Family
- Apocynaceae
- Plant type
- Vine
- Life cycle
- Perennial evergreen vine or shrub
- Difficulty
- Moderate
Growing Conditions
Golden Trumpet is listed for full sun conditions. Water needs are listed as moderate. The database soil reference is Rich, moist, well-drained soil. The listed soil pH range is 5.5-7.0, and the listed hardiness range is 10-11.
- Hardiness zones
- 10-11
- Sunlight
- Full sun
- Soil
- Rich, moist, well-drained soil
- Soil pH
- 5.5-7.0
- Water needs
- Moderate
Seed & Germination
For seed starting, the listed germination time is 14-30 days and the seed depth is 1/4 inch. The listed time to maturity is 2-3 years to mature flowering size. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 14-30 days
- Seed depth
- 1/4 inch
Harvest & Propagation
- Days to maturity
- 2-3 years to mature flowering size
Garden Information
- Toxicity / cautions
- Milky sap and plant parts can be toxic if ingested
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Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.