Plant Calculator
Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Rhododendron Holden's™ Red you will need.
*Correct and successful spacing is complex and depends on project conditions.
Rhododendron Holden's™ Red
Azalea
- Resistance to Phytophthora cinnamomi
- Leathery, dark leaves
- Mid-May bloomer
- Dense, spreading, mounded habit
- Category: Shrubs
- Alternate Cultivar: 'HoldenRhodo221'
- Patent: PP#35,416
- Hardiness Zone: 5-8
- Height: 4 ft
- Spread: 4 ft
- Spacing: 2-3 ft
- Bloom Color: Red
- Foliage Color: Dark Green
Foliage Color
| • | Green |
Soil Moisture
| • | Average Water |
Habit
| • | Mounding |
Season of Interest (Foliage)
| • | Spring Bloomer |
Growing & Maintenance Tips for Rhododendron Holden's™ Red
Plant in partial sun location, preferrably one with morning sun and afternoon shade and protected by winter winds. Likes moist, well-drained soil. Responds well to a specialized Azalea/Rhodie, acid fertilizer application. Prune to shape in summer immediately after blooming subsides.