Flame Azalea
Rhododendron calendulaceum
Family: Ericaceae
Flame Azalea grows in partial shade and prefers moist, well-drained acidic soil. Water needs: Moderate.
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How to Grow Flame Azalea
Flame Azalea growing information includes sunlight requirements of Partial shade, soil conditions listed as Moist, well-drained acidic soil with a soil pH of 4.5-6.0, and Moderate water needs. The listed hardiness zones are 5-8. For propagation reference, the database lists germination or establishment information for Flame Azalea as 60-120 days after stratification, with planting or establishment depth listed as Surface sow. Days to maturity are listed as 3-5 years.
Plant Overview
Flame Azalea (Rhododendron calendulaceum) is listed in the Ericaceae family and categorized as a shrub with a perennial 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-0533
- Family
- Ericaceae
- Plant type
- Shrub
- Life cycle
- Perennial
- Difficulty
- Moderate
Growing Conditions
Flame Azalea is listed for partial shade conditions. Water needs are listed as moderate. The database soil reference is Moist, well-drained acidic soil. The listed soil pH range is 4.5-6.0, and the listed hardiness range is 5-8.
- Hardiness zones
- 5-8
- Sunlight
- Partial shade
- Soil
- Moist, well-drained acidic soil
- Soil pH
- 4.5-6.0
- Water needs
- Moderate
Seed & Germination
For seed starting, the listed germination time is 60-120 days after stratification and the seed depth is Surface sow. The listed time to maturity is 3-5 years. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 60-120 days after stratification
- Seed depth
- Surface sow
Harvest & Propagation
- Days to maturity
- 3-5 years
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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.