Hulsea

Description

Hulsea is a genus of flowering plants in the sunflower family, Asteraceae. It is native to western North America, including California, Oregon, and Nevada. The genus includes around 10 species, with Hulsea algida being the most common. Hulsea plants are known for their showy yellow or orange flowers that bloom in the summer and fall.

Taxonomic Information

Appearance

Hulsea plants are typically low-growing perennials, with hairy stems and leaves. The leaves are typically lance-shaped and can be up to 10 cm long. The flowers of Hulsea plants are large and showy, with a diameter of up to 7 cm. They are typically yellow or orange in color, with a central disc of small, dark-colored flowers.

Care Guide

When caring for Hulsea plants, it is important to provide them with well-draining soil and plenty of sunlight. They prefer regular watering, but be careful not to overwater as this can lead to root rot. Fertilize once a month during the growing season with a balanced fertilizer. Hulsea plants are hardy in USDA zones 7-10.

Common Pests & Diseases

Hulsea plants are generally resistant to pests and diseases. However, they may occasionally be affected by aphids, spider mites, or powdery mildew. To prevent these problems, be sure to keep the plants well-watered and avoid overcrowding.

Habitat

Hulsea plants can be found in a variety of habitats, including meadows, open woods, and rocky slopes. They are typically found at high elevations, ranging from 1,500 to 4,000 meters above sea level.

Question and Answer

Q: How do I propagate Hulsea plants?
A: Hulsea plants can be propagated by seed or by division in the spring.

Q: Can Hulsea plants tolerate drought?
A: While Hulsea plants prefer regular watering, they can tolerate drought once established.

Q: Do Hulsea plants attract pollinators?
A: Yes, the large and showy flowers of Hulsea plants are attractive to bees and other pollinators.

Q: How long do Hulsea plants live?
A: Hulsea plants are typically long-lived perennials, with a lifespan of up to 10 years.

Related Plants

• Balsamorhiza
• Ceanothus
• Erigeron
• Mimulus

References

• Flora of North America. “Hulsea.” Accessed September 2021. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=115121.
• Missouri Botanical Garden. “Hulsea.” Accessed September 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=280021&isprofile=0&.
• USDA Natural Resources Conservation Service. “Hulsea.” Accessed September 2021. https://plants.usda.gov/core/profile?symbol=HULSE.