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Description
Pyracantha Koidzumii, also known as Formosa Firethorn, is a flowering evergreen shrub that belongs to the Rosaceae family. It is native to Taiwan and can grow up to 10 feet tall and 6 feet wide. This plant is widely recognized for its beautiful flowers and colorful berries that appear in autumn and winter. The plant is also used as a hedge plant due to its thorny nature, making it an excellent barrier against intruders.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rosaceae |
| Genus | Pyracantha |
Appearance
The Pyracantha Koidzumii has glossy evergreen leaves that are oval-shaped and serrated. The leaves are dark green and can grow up to 2 inches long. The plant produces clusters of small white flowers in spring, which are followed by bright orange-red berries that ripen in the fall and persist through winter. The berries range from 1/4 to 3/8 inches in diameter and are a favorite of birds. The plant is dense and bushy, with thorny branches that make it an effective barrier plant.
Care Guide
The Pyracantha Koidzumii is relatively easy to care for and maintain. Here are some guidelines:
- Water: Water regularly, especially during the first year after planting. Once established, the plant is drought tolerant.
- Fertilization: Use a balanced fertilizer in the spring and fall to promote healthy growth and flowering.
- Soil: The plant prefers well-drained soil that is rich in organic matter. If the soil is too heavy, add sand or other amendments to improve drainage.
- Sunlight: The Pyracantha Koidzumii thrives in full sun but can tolerate some shade.
- Hardiness Zones: The plant is hardy in USDA zones 7 to 9.
Common Pests & Diseases
The Pyracantha Koidzumii is susceptible to a few pests and diseases:
- Aphids: These insects suck the sap from the plant, causing leaves to curl and yellow.
- Mites: Mites can cause yellowing and stippling on the leaves.
- Fungal Diseases: The plant is susceptible to fire blight, which causes leaves and branches to wilt and turn black.
To prevent these problems, keep the plant healthy by providing proper care and maintenance, and treat any issues promptly with appropriate insecticides or fungicides.
Habitat
The Pyracantha Koidzumii is native to Taiwan and thrives in warm climates. It prefers well-drained soil and full sun but can tolerate some shade. The plant is often used as a hedge or barrier plant due to its thorny nature.
Question and Answer
- Q: How often should I water my Pyracantha Koidzumii?
- A: Water regularly, especially during the first year after planting. Once established, the plant is drought tolerant.
- Q: What is the hardiness zone for Pyracantha Koidzumii?
- A: The plant is hardy in USDA zones 7 to 9.
- Q: Is Pyracantha Koidzumii susceptible to any diseases?
- A: Yes, it is susceptible to fire blight, which causes leaves and branches to wilt and turn black.
- Q: What is the growth rate of Pyracantha Koidzumii?
- A: The plant has a moderate growth rate and can grow up to 10 feet tall and 6 feet wide.
Related Plants
- Pyracantha ‘Apache’
- Pyracantha ‘Mohave’
- Pyracantha ‘Orange Glow’
- Pyracantha ‘Shawnee’
References
- “Pyracantha Koidzumii.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=280593.
- “Pyracantha Koidzumii.” The Spruce, www.thespruce.com/pyracantha-koidzumii-growing-profile-5079409.
- “Firethorn.” Royal Horticultural Society, www.rhs.org.uk/plants/14605/pyracantha-koidzumii/details.
