Contents
Description
Allium Howellii is a herbaceous perennial plant that belongs to the Alliaceae family. It is also known as Howell’s Onion and is native to the western United States, particularly in the states of Oregon and California. The plant usually grows up to 20-30 cm tall and produces a bulb that is around 1-2 cm in diameter. The leaves are narrow and grass-like, and the flowers are pink to purple in color and bloom in mid to late summer.
Taxonomic Information
| Domain: | Eukarya |
| Kingdom: | Plantae |
| Phylum: | Spermatophyta |
| Class: | Liliopsida |
| Order: | Asparagales |
| Family: | Alliaceae |
| Genus: | Allium |
Appearance
Allium Howellii has narrow, grass-like leaves that are 20-30 cm long and 2-3 mm wide. The leaves grow from an underground bulb that is around 1-2 cm in diameter. The flowers are pink to purple in color and grow on a tall, slender stem that can reach up to 30 cm in height. Each flower head is composed of many small flowers that are arranged in a spherical shape.
Care Guide
Allium Howellii is a low-maintenance plant that is easy to care for. Here are some tips for caring for this plant:- Water: Allium Howellii prefers moist soil. Water the plant regularly, especially during hot and dry weather.- Fertilization: Fertilize the plant with a balanced fertilizer once a month during the growing season.- Soil: Allium Howellii prefers well-draining soil that is rich in organic matter.- Sunlight: Allium Howellii prefers full sun to partial shade.- Hardiness Zones: Allium Howellii is hardy in USDA zones 5-9.
Common Pests & Diseases
Allium Howellii is generally not susceptible to pests and diseases. However, it may be affected by onion thrips and onion maggots. To prevent these pests, keep the area around the plant clean and free from debris. If necessary, use an insecticide to control the pests.
Habitat
Allium Howellii is native to the western United States, particularly in the states of Oregon and California. It grows in open, rocky areas, and is commonly found in grasslands, meadows, and along stream banks.
Questions and Answers
Q: How often should I water Allium Howellii?
A: Water the plant regularly, especially during hot and dry weather.
Q: What kind of soil does Allium Howellii prefer?
A: Allium Howellii prefers well-draining soil that is rich in organic matter.
Q: What are some common pests that affect Allium Howellii?
A: Onion thrips and onion maggots are common pests that affect Allium Howellii.
Q: What is the hardiness zone for Allium Howellii?
A: Allium Howellii is hardy in USDA zones 5-9.
Related Plants
– Allium Cernuum- Allium Canadense- Allium Stellatum- Allium Tricoccum
References
– “Allium Howellii.” Pacific Bulb Society. https://www.pacificbulbsociety.org/pbswiki/index.php/Allium_howellii- “Allium Howellii.” Plant Finder. Missouri Botanical Garden. http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=l600- “Allium Howellii.” Plant List. http://www.theplantlist.org/tpl1.1/record/kew-295197
