Contents
Description
Rhododendron Earl Of Donoughmore is a stunning evergreen shrub that produces clusters of pink flowers in the spring. This hybrid rhododendron was developed in the mid-1900s by Lionel de Rothschild of the United Kingdom. It is named after the 6th Earl of Donoughmore, a member of the Rothschild family.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Ericales |
| Family | Ericaceae |
| Genus | Rhododendron |
Appearance
Rhododendron Earl Of Donoughmore grows up to 10 feet tall and 8 feet wide with a dense, upright habit. Its leaves are dark green and glossy with a leathery texture. The flowers are trumpet-shaped and range in color from light pink to deep magenta. They bloom in mid to late spring and attract bees and butterflies.
Care Guide
Water
Rhododendron Earl Of Donoughmore prefers consistently moist soil, but it is important not to overwater it. Water deeply once a week, or more frequently during hot, dry weather.
Fertilization
Fertilize Rhododendron Earl Of Donoughmore with a balanced fertilizer in early spring before new growth appears. Repeat every 4-6 weeks until midsummer.
Soil
Rhododendron Earl Of Donoughmore prefers acidic, well-draining soil that is rich in organic matter. If your soil is not acidic, amend it with sulfur or other acidifying agents.
Sunlight
Rhododendron Earl Of Donoughmore prefers partial shade to full shade. Too much direct sunlight can scorch its leaves.
Hardiness Zones
Rhododendron Earl Of Donoughmore grows best in USDA hardiness zones 6-9.
Common Pests & Diseases
Rhododendron Earl Of Donoughmore is vulnerable to a variety of pests and diseases, including lace bugs, spider mites, and powdery mildew. Regular monitoring and prompt treatment with insecticides or fungicides can help prevent or control these problems.
Habitat
Rhododendron Earl Of Donoughmore is native to the temperate regions of Asia, including China, Japan, and Korea. It grows in forests and on mountainsides at elevations up to 10,000 feet.
Question and Answer
Q: Can Rhododendron Earl Of Donoughmore grow in full sun?
A: No, Rhododendron Earl Of Donoughmore prefers partial shade to full shade.
Q: How often should I water my Rhododendron Earl Of Donoughmore?
A: Water deeply once a week, or more frequently during hot, dry weather.
Q: What are some common pests of Rhododendron Earl Of Donoughmore?
A: Common pests include lace bugs and spider mites.
Q: What is the best time to fertilize Rhododendron Earl Of Donoughmore?
A: Fertilize in early spring before new growth appears, and repeat every 4-6 weeks until midsummer.
Related Plants
- Rhododendron Nova Zembla
- Rhododendron Impeditum
- Rhododendron Yakushimanum
- Rhododendron Purple Passion
References
- “Rhododendron Earl Of Donoughmore.” Royal Horticultural Society, https://www.rhs.org.uk/Plants/29490/Rhododendron-Earl-of-Donoughmore/Details.
- “Rhododendron Earl Of Donoughmore.” Missouri Botanical Garden, http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=273047.
- “Rhododendron Earl Of Donoughmore.” Gardenia, https://www.gardenia.net/plant-variety/rhododendron-earl-of-donoughmore-rhododendron.
