Agastache Occidentalis

Description

Agastache Occidentalis, also known as Western Giant Hyssop, is a perennial herbaceous plant that belongs to the mint family. It is native to North America, specifically in the western part of the continent, and can be found in areas that have well-draining soil and plenty of sunlight. The plant can grow up to 4 feet tall and has a spread of about 2 feet, making it an excellent choice for garden beds, borders, and containers.

Taxonomic Information

Appearance

Agastache Occidentalis has lance-shaped leaves that are green and slightly hairy. The plant produces spikes of tubular flowers that are purple-blue in color, and the blooms can last from early summer to early fall. The flowers are also very fragrant and attract pollinators such as bees, butterflies, and hummingbirds.

Care Guide

Agastache Occidentalis is a low-maintenance plant that requires minimal care. Here are some essential tips for taking care of this beautiful plant:

• Water: Water the plant regularly, especially during the hot summer months. Avoid overwatering, as this can lead to root rot.
• Fertilization: Fertilize the plant once a month during the growing season using a balanced fertilizer.
• Soil: The plant prefers well-draining soil that is rich in organic matter.
• Sunlight: Agastache Occidentalis requires full sun to thrive. Plant it in an area that receives at least six hours of sunlight daily.
• Hardiness Zones: The plant is hardy in USDA zones 5-10.

Common Pests & Diseases

Agastache Occidentalis is generally pest and disease-free. However, it may be susceptible to spider mites and aphids. To prevent these pests, keep the plant well-watered and avoid overcrowding. If you notice any pests, use an insecticidal soap to control them.

Habitat

Agastache Occidentalis is native to North America and can be found in areas with well-draining soil and plenty of sunlight. The plant is commonly found in meadows, prairies, and open woodlands.

Question and Answer

• Q: Can I grow Agastache Occidentalis in a container?
• A: Yes, you can grow Agastache Occidentalis in a container. However, make sure the container is large enough to accommodate the plant’s root system.
• Q: Does Agastache Occidentalis require pruning?
• A: Agastache Occidentalis does not require pruning. However, you can deadhead the spent blooms to encourage more flowers to grow.
• Q: How often should I fertilize Agastache Occidentalis?
• A: Fertilize the plant once a month during the growing season using a balanced fertilizer.
• Q: How do I overwinter Agastache Occidentalis?
• A: Agastache Occidentalis is hardy in USDA zones 5-10. In colder climates, you can overwinter the plant by covering it with a layer of mulch to protect it from the cold.

Related Plants

• Agastache foeniculum
• Agastache rugosa
• Agastache mexicana

References

• “Agastache Occidentalis.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=f940.
• “Agastache Occidentalis.” Plant Care Today, 19 Feb. 2020, plantcaretoday.com/agastache-occidentalis.html.
• “Western Giant Hyssop.” High Country Gardens, www.highcountrygardens.com/perennial-plants/agastache/agastache-occidentalis.