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Description
Rhododendron Delavayi is a flowering plant native to China. It belongs to the family Ericaceae and is commonly known as “Lilac Rhododendron.” The plant has been named after its discoverer, Pere Delavay, a French missionary and plant collector.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Ericales |
| Family | Ericaceae |
| Genus | Rhododendron |
Appearance
The Rhododendron Delavayi plant can grow up to 4 meters tall and has dark green, glossy leaves. The flowers of this plant are funnel-shaped and bloom in clusters. The flowers are usually pink or purple in color and have yellow or green spots. The plant blooms in late spring and early summer.
Care Guide
To care for the Rhododendron Delavayi plant, you need to provide it with a well-draining soil that is rich in organic matter. It prefers a slightly acidic soil with a pH between 5.0 and 6.0. The plant needs water regularly, especially during dry spells. Fertilize the plant twice a year, once in early spring and once in early summer. It requires partial shade, especially during the hottest parts of the day. The plant is hardy in USDA zones 7 to 9.
Common Pests & Diseases
The Rhododendron Delavayi plant is susceptible to several pests and diseases, including spider mites, lace bugs, and root rot. Spider mites can be controlled by spraying the plant with water and by using insecticidal soap. Lace bugs can be controlled by using insecticidal soap or neem oil. Root rot can be prevented by ensuring that the soil is well-drained and not waterlogged.
Habitat
The Rhododendron Delavayi plant is native to China, where it grows in mountainous regions at elevations of 3000 to 4000 meters. It prefers well-draining soil and partial shade.
Questions and Answers
Q: What is the common name of Rhododendron Delavayi?
A: The common name of Rhododendron Delavayi is “Lilac Rhododendron.”
Q: What is the ideal soil pH for Rhododendron Delavayi?
A: The ideal soil pH for Rhododendron Delavayi is between 5.0 and 6.0.
Q: What are the common pests that affect Rhododendron Delavayi?
A: The common pests that affect Rhododendron Delavayi are spider mites and lace bugs.
Q: What is the hardiness zone for Rhododendron Delavayi?
A: The hardiness zone for Rhododendron Delavayi is USDA zones 7 to 9.
Related Plants
- Rhododendron dauricum
- Rhododendron ferrugineum
- Rhododendron luteum
References
- “Rhododendron delavayi.” Missouri Botanical Garden. Accessed 23 June 2021. <https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=276585&isprofile=0&>.
- “Rhododendron delavayi.” Royal Horticultural Society. Accessed 23 June 2021. <https://www.rhs.org.uk/plants/27387/rhododendron-delavayi/details>.
