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Description
Rhododendron Ponticum Graziella is a popular ornamental shrub that belongs to the family Ericaceae. It is native to Asia Minor and the Caucasus region and is widely cultivated in gardens across Europe and North America. The plant grows up to 6 feet tall and 4 feet wide, producing clusters of purple-pink flowers that bloom in late spring and early summer.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Ericales |
| Family | Ericaceae |
| Genus | Rhododendron |
Appearance
The leaves of Rhododendron Ponticum Graziella are evergreen and leathery, measuring 3-6 inches long and 1-2 inches wide. The flowers are funnel-shaped and grow in dense clusters, measuring 2-3 inches in diameter. They are usually purple-pink in color, but can also be white or pink. The plant has a dense, bushy habit and is ideal for use as a hedge or screen.
Care Guide
Rhododendron Ponticum Graziella requires well-draining, acidic soil, with a pH between 4.5 and 6.0. It prefers partial to full shade and should be protected from direct sunlight during the hottest part of the day. The plant should be watered regularly, especially during dry periods. It also benefits from regular fertilization, using a slow-release, acidic fertilizer in the spring and fall. Rhododendron Ponticum Graziella is hardy in zones 7-9 and should be protected from frost and cold winds.
Common Pests & Diseases
Rhododendron Ponticum Graziella is susceptible to a number of pests and diseases, including:
- Aphids
- Spider mites
- Scale insects
- Bud blast
- Leaf spot
- Root rot
These can be controlled through regular monitoring and the use of insecticides and fungicides as necessary.
Habitat
Rhododendron Ponticum Graziella is native to Asia Minor and the Caucasus region, where it grows in woodland areas and along forest margins. It prefers moist, well-drained soils and partial shade.
Question and Answer
1. How tall does Rhododendron Ponticum Graziella grow?
Answer: Rhododendron Ponticum Graziella can grow up to 6 feet tall.
2. What is the ideal pH for the soil of Rhododendron Ponticum Graziella?
Answer: The ideal pH for the soil of Rhododendron Ponticum Graziella is between 4.5 and 6.0.
3. What are some common pests and diseases of Rhododendron Ponticum Graziella?
Answer: Some common pests and diseases of Rhododendron Ponticum Graziella include aphids, spider mites, and bud blast.
4. What is the hardiness zone for Rhododendron Ponticum Graziella?
Answer: Rhododendron Ponticum Graziella is hardy in zones 7-9.
Related Plants
- Rhododendron Maximum
- Rhododendron Catawbiense
- Rhododendron Nova Zembla
- Rhododendron Yakushimanum
References
- “Rhododendron ponticum Graziella.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b733. Accessed 20 May 2021.
- “Rhododendron ponticum.” Royal Horticultural Society, www.rhs.org.uk/plants/67113/rhododendron-ponticum/details. Accessed 20 May 2021.
- “Rhododendron ponticum.” Plant Encyclopedia, www.gardenia.net/plant-variety/rhododendron-ponticum. Accessed 20 May 2021.
