Crossosoma

Description

Crossosoma is a genus of evergreen shrubs native to the southwestern United States and northern Mexico. It belongs to the Crossosomataceae family and consists of only two species: Crossosoma bigelovii and Crossosoma californicum. These shrubs are known for their fragrant flowers and their ability to thrive in hot and dry environments.

Taxonomic Information

Appearance

Crossosoma shrubs are evergreen and usually grow to be about 6 feet tall and wide. They have dark green leaves that are about 2 inches long and 1 inch wide. The flowers are small and white, with a fragrant scent. They bloom in late spring and early summer, and the fruits are small, dry capsules.

Care Guide

Crossosoma shrubs are relatively easy to care for and prefer hot and dry environments. Here are some tips for caring for them:

• Water: Water deeply once a week during the growing season and reduce watering in the winter.
• Fertilization: Fertilize once a year in the spring with a slow-release fertilizer.
• Soil: Plant in well-draining soil that is slightly acidic.
• Sunlight: Plant in full sun to partial shade.
• Hardiness Zones: Crossosoma shrubs are hardy in zones 7-10.

Common Pests & Diseases

Crossosoma shrubs are relatively pest and disease-free, but they can be susceptible to root rot if they are overwatered. They can also be affected by spider mites and scale insects. To prevent these pests, regularly inspect the shrubs and treat them with insecticidal soap as needed.

Habitat

Crossosoma shrubs are native to the southwestern United States and northern Mexico. They are often found in desert habitats, rocky slopes, and dry washes. They are adapted to hot and dry environments and can tolerate drought and poor soil conditions.

Question and Answer

Q: Are Crossosoma shrubs frost-tolerant?
A: No, crossosoma shrubs are not frost-tolerant and should be protected from frost in colder climates.

Q: Can Crossosoma shrubs be grown in containers?
A: Yes, crossosoma shrubs can be grown in containers as long as they have well-draining soil and are watered regularly.

Q: When is the best time to prune Crossosoma shrubs?
A: The best time to prune crossosoma shrubs is in the late winter or early spring before new growth appears.

Q: Do Crossosoma shrubs attract bees?
A: Yes, crossosoma shrubs are known to attract bees and other pollinators with their fragrant flowers.

Related Plants

• Stephanomeria
• Hymenoclea
• Encelia
• Acourtia

References

• “Crossosomataceae.” Encyclopædia Britannica. Encyclopædia Britannica, Inc., n.d. Web. 21 July 2021.
• “Crossosoma.” Missouri Botanical Garden. Missouri Botanical Garden, n.d. Web. 21 July 2021.
• “Crossosoma.” Sunset Western Garden Collection. Sunset Publishing Corporation, n.d. Web. 21 July 2021.