Rhododendron spp. 'Knaphill and Exbury Azaleas'
- Common Name(s):
- Knaphill and Exbury Azaleas
- Poisonous Plants, Shrubs
Deciduous azaleas with large flower trusses in spring; excellent for naturalizing; resemble flame azaleas; excellent flower colors; very winter hardy; good fall color, moderate growth rate.
Seasons of Interest:
Bloom: Spring Foliage: Fall
Wildlife Value: Excellent nectar plant for bees, hummingbirds and butterflies. 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.
- 6-8 ft.
- May have bronze tinge; good fall color
- Flowers are born in trusses; individual flowers large and showy
- Average; do not overwater
- Open; loose; spreading; upright
- Poison Part:
- Parts of the plant may be poisonous.
- 6-8 ft.
NCCES plant id: 2804