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| Botanical Name | Rhododendron indicum 'Formosa' |
| Description | A member of the Southern Indica family, 'Formosa' is one of the most robust azaleas for the Houston metro area. It is prized for its large, evergreen leaves and massive spring bloom of deep magenta-red flowers. This variety is specifically valued for its ability to handle our intense heat and humidity. However, Azaleas are sensitive to soil pH and drainage; they require acidic soil and will fail in waterlogged clay. Planting in raised beds with a mix of pine bark and compost is highly recommended in this region to ensure roots stay aerated. |
| Exposure | Dappled Sun or Morning Sun with Afternoon Shade |
| Height x Width | 6-8 ft. Tall x 6-8 ft. Wide |
| Water | Regular; prefers consistently moist, but never saturated soil. Mulching is essential to keep roots cool. |
| Zones | 8 - 10 |
| Fertilization | Use an acid-loving plant fertilizer immediately after the spring bloom has finished. |
| Pruning | Prune only after the spring bloom. Avoid late summer pruning, as this will remove next year's flower buds. |
| Deer Resistance | Low |
| Botanical Name | Rhododendron indicum 'Formosa' |
| Description | A member of the Southern Indica family, 'Formosa' is one of the most robust azaleas for the Houston metro area. It is prized for its large, evergreen leaves and massive spring bloom of deep magenta-red flowers. This variety is specifically valued for its ability to handle our intense heat and humidity. However, Azaleas are sensitive to soil pH and drainage; they require acidic soil and will fail in waterlogged clay. Planting in raised beds with a mix of pine bark and compost is highly recommended in this region to ensure roots stay aerated. |
| Exposure | Dappled Sun or Morning Sun with Afternoon Shade |
| Height x Width | 6-8 ft. Tall x 6-8 ft. Wide |
| Water | Regular; prefers consistently moist, but never saturated soil. Mulching is essential to keep roots cool. |
| Zones | 8 - 10 |
| Fertilization | Use an acid-loving plant fertilizer immediately after the spring bloom has finished. |
| Pruning | Prune only after the spring bloom. Avoid late summer pruning, as this will remove next year's flower buds. |
| Deer Resistance | Low |
