Cullumia

Description

Cullumia is a genus of flowering plants belonging to the family Asteraceae. It consists of about 20 species of annual and perennial herbs, found mainly in South America. The plants produce attractive flowers that are typically yellow or orange in color. Cullumia is a popular choice for gardeners due to its attractive appearance and ease of care.

Taxonomic Information

Appearance

The Cullumia plant typically grows to a height of 12 to 18 inches, with a spread of about 12 inches. The leaves are typically green and may be either lobed or unlobed, depending on the species. The flowers are typically yellow or orange in color and are produced on long, slender stems. The petals are typically narrow and may be either flat or slightly curved. The flowers are attractive to bees and butterflies, making Cullumia a good choice for pollinator gardens.

Care Guide

Cullumia is a relatively easy plant to care for. Here are some tips:

• Water: Cullumia prefers well-drained soil that is kept consistently moist. Avoid overwatering, as this can lead to root rot.
• Fertilization: Fertilize Cullumia every two to three weeks during the growing season with a balanced fertilizer.
• Soil: Cullumia prefers well-drained soil that is rich in organic matter. It can tolerate a range of soil types, but prefers a slightly acidic soil pH.
• Sunlight: Cullumia prefers full sun to partial shade. It can tolerate some shade, but may not flower as well in low light conditions.
• Hardiness Zones: Cullumia is typically hardy in USDA zones 8 to 11.

Common Pests & Diseases

Cullumia is relatively pest and disease resistant. However, it may be susceptible to aphids and spider mites. These pests can be controlled with insecticidal soap or neem oil. Cullumia may also be susceptible to powdery mildew in humid conditions. To prevent powdery mildew, avoid overhead watering and provide good air circulation around the plants.

Habitat

Cullumia is native to South America, where it is found in a variety of habitats, including grasslands, savannas, and open woodlands. It prefers well-drained soils and can tolerate periods of drought.

Question and Answer

Q: Can Cullumia be grown in containers?
A: Yes, Cullumia can be grown in containers as long as the container is large enough to accommodate the plant’s root system.

Q: How often should Cullumia be fertilized?
A: Cullumia should be fertilized every two to three weeks during the growing season with a balanced fertilizer.

Q: Does Cullumia attract pollinators?
A: Yes, the flowers of Cullumia are attractive to bees and butterflies, making it a good choice for pollinator gardens.

Q: Is Cullumia toxic to pets?
A: There is no evidence to suggest that Cullumia is toxic to pets, but it is always a good idea to keep pets away from plants to prevent accidental ingestion.

Related Plants

• Coreopsis
• Tickseed
• Sunflower
• Zinnia

References

• “Cullumia.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=289530.
• “Cullumia.” PlantFiles, Dave’s Garden, davesgarden.com/guides/pf/go/212287/.
• “Cullumia.” World Checklist of Selected Plant Families, Royal Botanic Gardens, Kew, wcsp.science.kew.org/namedetail.do?name_id=204257.