Cytisus

Description

Cytisus is a genus of flowering plants in the legume family, Fabaceae. It is commonly known as broom or Scotch broom. There are about 50 species of Cytisus, which are mainly native to Europe, North Africa, and western Asia. These plants are known for their showy and fragrant flowers that bloom in spring and summer.

Taxonomic Information

Domain	Eukarya
Kingdom	Plantae
Phylum	Spermatophyta
Class	Magnoliopsida
Order	Fabales
Family	Fabaceae
Genus	Cytisus

Appearance

Cytisus plants can grow up to 5 feet tall and wide. They have slender stems and small leaves that are usually deciduous. The flowers are pea-shaped and come in shades of yellow, orange, pink, and white. They are arranged in clusters along the stems and have a sweet fragrance. The fruit is a legume that contains several seeds.

Care Guide

Cytisus plants are relatively easy to care for. Here are some tips:

• Water: Water regularly during the growing season, but do not overwater.
• Fertilization: Fertilize in spring with a balanced fertilizer.
• Soil: Cytisus plants prefer well-drained soil that is slightly acidic.
• Sunlight: They need full sun to bloom well.
• Hardiness Zones: Most species of Cytisus are hardy in USDA zones 6-9.

Common Pests & Diseases

Cytisus plants are generally resistant to pests and diseases, but they may be affected by:

• Aphids: These small insects suck the sap from the plant and can cause stunted growth and distorted leaves.
• Spider mites: These tiny pests can cause yellowing and mottling of the leaves.
• Root rot: This fungal disease can be caused by overwatering or poorly drained soil.

Habitat

Cytisus plants are found in a variety of habitats, including open woodlands, heathlands, and rocky slopes. They are particularly common in Mediterranean regions where they thrive in dry, sunny conditions.

Question and Answer

Q: Can Cytisus be grown in containers?

A: Yes, Cytisus can be grown in containers as long as they are provided with adequate drainage and regular watering.

Q: Are Cytisus plants toxic?

A: Yes, all parts of Cytisus plants are toxic if ingested.

Q: How often should I prune my Cytisus plant?

A: Prune Cytisus plants after flowering to maintain their shape and promote bushier growth.

Q: Can Cytisus tolerate drought?

A: Yes, Cytisus plants are drought-tolerant once established.

Related Plants

• Genista
• Ulex
• Laburnum

References

• USDA Plants Database: Cytisus
• RHS: Cytisus
• Missouri Botanical Garden: Cytisus