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Description
Koelreuteria is a genus of flowering trees and shrubs that belong to the family Sapindaceae. These plants are native to East Asia and are commonly known as golden rain trees, due to their striking yellow flowers that bloom in the summer months. These trees are popular for landscaping due to their beautiful appearance and low maintenance requirements.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Sapindales |
| Family | Sapindaceae |
| Genus | Koelreuteria |
Appearance
Koelreuteria trees can grow up to 30 feet tall and have a spread of up to 25 feet. They have a round to oval shape and a dense crown. The bark is gray-brown and slightly scaly. The leaves are compound, with 7-15 leaflets that are 2-4 inches long. In the summer, the tree produces large clusters of bright yellow flowers that are followed by papery, lantern-shaped seed pods that turn a pinkish hue in the fall.
Care Guide
Koelreuteria trees are low maintenance and easy to care for. Here are some tips for keeping your tree healthy:Water: Koelreuteria trees prefer well-draining soil and do not like to be overwatered. Water deeply once a week during the growing season and reduce watering in the winter.Fertilization: Fertilize in the spring with a balanced fertilizer.Soil: Koelreuteria trees prefer slightly acidic soil with a pH between 5.5 and 6.5.Sunlight: These trees prefer full sun but can tolerate partial shade.Hardiness Zones: Koelreuteria trees are hardy in USDA zones 5-9.
Common Pests & Diseases
Koelreuteria trees are generally pest and disease resistant. However, they can be susceptible to leaf spot and powdery mildew. These diseases can be prevented by ensuring good air circulation around the tree and avoiding overhead watering.
Habitat
Koelreuteria trees are native to East Asia and are commonly found in China, Korea, and Japan. They grow in a variety of habitats, including forests, riverbanks, and mountainsides.
Question and Answer
Q: Can Koelreuteria trees grow in containers?
A: While Koelreuteria trees can be grown in containers, they prefer to be planted in the ground.Q: How often should Koelreuteria trees be pruned?
A: Koelreuteria trees should be pruned in late winter or early spring before new growth begins.Q: Do Koelreuteria trees attract wildlife?
A: The flowers of Koelreuteria trees are attractive to bees and butterflies.Q: How long do Koelreuteria trees live?
A: Koelreuteria trees can live up to 50 years or more.
Related Plants
Here are some related plants to Koelreuteria:- Acer palmatum (Japanese maple)- Magnolia grandiflora (southern magnolia)- Cercis canadensis (eastern redbud)- Cornus florida (flowering dogwood)- Lagerstroemia indica (crepe myrtle)
References
– “Koelreuteria.” Missouri Botanical Garden. Accessed August 4, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=d540.- “Koelreuteria.” Plants of the World Online. Accessed August 4, 2021. http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:329241-2.
