Rhododendron Southern Indica Hybrids
- Common Name(s):
- Southern Indica hybrid azalea, Sun azalea
- 'Formosa', 'Brilliant', 'G. G. Gerbing', 'George Tabor'
- Poisonous Plants, Shrubs
Evergreen to deciduous shrub in the Ericacae family. Many cultivars; strong sun and heat tolerance; large flowers; buds hardy to 20 degrees F. This plant is moderately salt tolerant.
Wildlife Value: Flowers attract humingbirds. Members of the genus Rhododendron support the following specialized bee: Andrena (Andrena) cornelli.
Insects, Diseases, and Other Plant Problems: Rhododendrons are susceptible to insect and disease problems. Insect problems include aphids, borers, lacebugs, leafhoppers, mealybugs, mites, nematodes, scale, thrips and whitefly. Diseases include canker, crown rot, root rot, leaf spot, rust, and powdery mildew. Full sun can scortch the leaves and the roots rot if soil does not drain well. A healthy plant in the right place with proper maintenance should have few problems. This plant is frequently damaged by deer.
- 6-12 ft.
- Large, single; up to 2-3 inches, of multiple colors depending on cultivar
- Rich, acidic well-drained soil; regular to ample water
- 6-8 ft.
NCCES plant id: 2812