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Description
Exochorda is a genus of deciduous shrubs that belong to the Rosaceae family. These plants are native to China and are commonly known as the Pearl Bush due to their beautiful white flowers that resemble pearls. The foliage is lush green and is often used as a backdrop to showcase the flowers. Exochorda shrubs bloom in the spring and last for several weeks. These plants are low maintenance and can grow up to 10 feet tall and 10 feet wide.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rosaceae |
| Genus | Exochorda |
Appearance
Exochorda shrubs are known for their showy white flowers that bloom in the spring. The flowers are clustered in groups and resemble pearls, hence the common name Pearl Bush. The foliage is lush green, and the leaves are oval-shaped and serrated. The leaves grow up to 4 inches long and 2 inches wide. The bark of the plant is reddish-brown and peels off in thin strips. The shrub can grow up to 10 feet tall and wide and has a rounded shape.
Care Guide
Exochorda shrubs are low maintenance and require minimal care. Here is a care guide for Exochorda:Water: The shrub needs regular watering, especially during the hot summer months. Water the plant deeply once a week.Fertilization: Exochorda does not require fertilization, but you can add a slow-release fertilizer in the spring to promote healthy growth.Soil: Exochorda prefers well-drained soil that is slightly acidic. The soil should be rich in organic matter.Sunlight: The plant requires full sun to partial shade. It can tolerate some shade, but the flowers will not be as abundant.Hardiness Zones: Exochorda thrives in USDA hardiness zones 5-8.
Common Pests & Diseases
Exochorda shrubs are generally resistant to pests and diseases. However, they can be susceptible to powdery mildew and leaf spot. Powdery mildew appears as a white powdery substance on the foliage, while leaf spot causes brown spots on the leaves. To prevent these diseases, ensure the plant has good air circulation and avoid overhead watering. Insect pests like aphids and spider mites can also attack the plant, but they can be controlled with insecticidal soap.
Habitat
Exochorda shrubs are native to China and thrive in temperate climates. They prefer well-drained soil and grow in full sun to partial shade. These plants are commonly used in gardens as accent plants or as a backdrop to showcase other plants. They are also used in commercial landscaping and can be found in parks and public spaces.
Question and Answer
Q: Can Exochorda shrubs tolerate cold temperatures?
A: Yes, Exochorda can grow in USDA hardiness zones 5-8 and can tolerate cold temperatures.Q: How often should I water my Exochorda shrub?
A: Water the shrub deeply once a week, especially during the hot summer months.Q: Can Exochorda shrubs grow in partial shade?
A: Yes, Exochorda can grow in partial shade, but it prefers full sun.Q: Do Exochorda shrubs require fertilization?
A: No, Exochorda does not require fertilization, but you can add a slow-release fertilizer in the spring to promote healthy growth.
Related Plants
Here are some related plants to Exochorda:
- Spirea
- Mock Orange
- Lilac
- Weigela
References
- “Exochorda.” Missouri Botanical Garden. Accessed 12 August 2021. <https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=m620>
- “Exochorda.” Royal Horticultural Society. Accessed 12 August 2021. <https://www.rhs.org.uk/plants/5263/exochorda>
- “Exochorda.” The Spruce. Accessed 12 August 2021. <https://www.thespruce.com/growing-exochorda-3269323>
