Agoseris Glauca

Description

Agoseris glauca, commonly known as pale agoseris or mountain dandelion, is a herbaceous perennial plant that belongs to the Asteraceae family. It is native to western North America, including Alaska, Canada, and the United States. The plant has a basal rosette of leaves and a stem that grows up to 60 cm in height.

Taxonomic Information

Appearance

Agoseris glauca has a basal rosette of leaves that are 10-20 cm long and 2-6 cm wide. The leaves are green and glabrous on the upper surface, while the lower surface is covered with fine hairs. The stem of the plant grows up to 60 cm in height and bears a single yellow flower head that is 2-4 cm wide. The flower head consists of both ray and disk flowers and blooms from May to August.

Care Guide

Water

Agoseris glauca prefers well-draining soil that is kept moist but not waterlogged. Water the plant regularly during the growing season, and reduce watering in the winter when the plant is dormant.

Fertilization

Agoseris glauca does not require much fertilization. You can add a slow-release fertilizer to the soil in early spring, but be careful not to over-fertilize as this can cause the plant to become leggy.

Soil

Agoseris glauca prefers well-draining, sandy or loamy soil that is rich in organic matter. The soil should be slightly acidic to neutral (pH 6.0-7.0).

Sunlight

Agoseris glauca prefers full sun to light shade. It can tolerate some shade, but too much shade can cause the plant to become leggy.

Hardiness Zones

Agoseris glauca is hardy in USDA zones 4-8.

Common Pests & Diseases

Agoseris glauca is relatively pest and disease-free. However, it can be susceptible to root rot if the soil is too moist. Avoid over-watering and ensure good soil drainage to prevent this.

Habitat

Agoseris glauca is commonly found in open, rocky areas, meadows, and forests at elevations of 300-3600 meters. It prefers well-draining soil and can tolerate drought conditions.

Question and Answer

Q: Is Agoseris glauca a good plant for beginners?

A: Yes, Agoseris glauca is a relatively easy plant to grow and care for, making it a good choice for beginners.

Q: Can Agoseris glauca be grown in containers?

A: Yes, Agoseris glauca can be grown in containers as long as the soil is well-draining and the container is large enough for the plant to grow.

Q: How often should I fertilize Agoseris glauca?

A: Agoseris glauca does not require much fertilization. You can add a slow-release fertilizer to the soil in early spring, but be careful not to over-fertilize as this can cause the plant to become leggy.

Q: Can Agoseris glauca be propagated by division?

A: Yes, Agoseris glauca can be propagated by division in the spring or fall. Simply dig up the plant and divide it into smaller sections, making sure each section has a good root system.

Related Plants

• Agoseris aurantiaca
• Agoseris heterophylla
• Agoseris parviflora
• Agoseris retrorsa

References

• https://www.fs.fed.us/database/feis/plants/forb/agogla/all.html
• https://plants.usda.gov/core/profile?symbol=AGGL2
• https://www.nps.gov/plants/pubs/ak/agogla.htm