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| Botanical Name | Rhododendron indica 'Formosa' |
| Description | A cornerstone of the Houston landscape, the Formosa Purple (or Lavender) Azalea is a vigorous Southern Indica variety known for its large, 3-inch magenta-purple flowers. While more heat-tolerant than most azaleas, it still prefers protection from the intense afternoon sun. In our local clay soil, it is essential to plant in raised beds with organic amendments to provide the acidic, well-drained environment it requires. |
| Exposure | Full Sun to Partial Shade (Filtered light or morning sun is best for Houston) |
| Height x Width | 6-8' H x 6-8' W |
| Water | Moderate; requires consistent moisture and performs best with a thick layer of pine bark mulch. |
| Zones | 8 - 10 |
| Fertilization | Use a slow-release, acid-forming fertilizer immediately after the spring bloom. |
| Pruning | Prune shortly after the spring flowering cycle to maintain shape and encourage next year's buds. |
| Deer Resistance | Low |
| Botanical Name | Rhododendron indica 'Formosa' |
| Description | A cornerstone of the Houston landscape, the Formosa Purple (or Lavender) Azalea is a vigorous Southern Indica variety known for its large, 3-inch magenta-purple flowers. While more heat-tolerant than most azaleas, it still prefers protection from the intense afternoon sun. In our local clay soil, it is essential to plant in raised beds with organic amendments to provide the acidic, well-drained environment it requires. |
| Exposure | Full Sun to Partial Shade (Filtered light or morning sun is best for Houston) |
| Height x Width | 6-8' H x 6-8' W |
| Water | Moderate; requires consistent moisture and performs best with a thick layer of pine bark mulch. |
| Zones | 8 - 10 |
| Fertilization | Use a slow-release, acid-forming fertilizer immediately after the spring bloom. |
| Pruning | Prune shortly after the spring flowering cycle to maintain shape and encourage next year's buds. |
| Deer Resistance | Low |