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Description
Forsythia Intermedia Courtalyn, also known as the Courtalyn Forsythia, is a deciduous shrub that is highly valued for its early spring blooms. It is a hybrid between two other Forsythia species, Forsythia suspensa and Forsythia viridissima. This shrub is prized for its clusters of bright yellow flowers that appear before the leaves in early spring.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Oleaceae |
| Genus | Forsythia |
Appearance
The Forsythia Intermedia Courtalyn grows up to 6 feet tall and wide. It has an upright, spreading habit and produces arching branches. The leaves are dark green, simple, and opposite, measuring up to 4 inches long. The flowers are bright yellow, appearing in early spring before the leaves. They are borne in clusters along the branches and measure up to 1 inch in diameter.
Care Guide
To care for your Forsythia Intermedia Courtalyn, make sure to provide it with adequate water, fertilization, soil, sunlight, and hardiness zones.Water: This shrub prefers well-drained soil that is kept consistently moist. Water it regularly, especially during dry periods.Fertilization: Apply a balanced fertilizer in early spring, before the new growth appears. Avoid over-fertilizing, as this can lead to weak growth and reduced flowering.Soil: This plant prefers slightly acidic soil that is rich in organic matter. Make sure the soil is well-drained and aerated.Sunlight: This shrub prefers full sun to partial shade. Make sure to provide it with at least 6 hours of direct sunlight per day.Hardiness Zones: The Forsythia Intermedia Courtalyn is hardy in USDA zones 5 to 8.
Common Pests & Diseases
The Forsythia Intermedia Courtalyn is generally resistant to pests and diseases. However, it can be susceptible to leaf spot, powdery mildew, and verticillium wilt. To prevent these issues, make sure to provide your shrub with adequate air circulation and avoid over-watering.
Habitat
The Forsythia Intermedia Courtalyn is native to China and is widely cultivated in temperate regions around the world. It can be found in gardens, parks, and along roadsides, and is valued for its early spring blooms.
Question and Answer
Q: When does the Forsythia Intermedia Courtalyn bloom?
A: This shrub blooms in early spring, before the leaves appear.
Q: How tall does the Forsythia Intermedia Courtalyn grow?
A: This shrub can grow up to 6 feet tall and wide.
Q: Is the Forsythia Intermedia Courtalyn susceptible to pests and diseases?
A: While this shrub is generally resistant to pests and diseases, it can be susceptible to leaf spot, powdery mildew, and verticillium wilt.
Q: What hardiness zones is the Forsythia Intermedia Courtalyn suitable for?
A: This shrub is hardy in USDA zones 5 to 8.
Related Plants
- Forsythia suspensa
- Forsythia viridissima
- Forsythia x intermedia
- Forsythia x mandschurica
References
- “Forsythia x intermedia ‘Courtalyn’.” Missouri Botanical Garden. Accessed August 10, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c406.
- “Forsythia intermedia ‘Courtalyn’.” Plant Care Today. Accessed August 10, 2021. https://plantcaretoday.com/forsythia-intermedia-courtalyn.html.
- “Forsythia intermedia ‘Courtalyn’.” The Spruce. Accessed August 10, 2021. https://www.thespruce.com/courtalyn-forsythia-4125363.
