Nodding Onion
Allium cernuum
Also known as: nodding onion, Allegheny Onion
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Amaryllidaceae
- Genus:
- Allium
- Species:
- Allium cernuum
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Geophyte
- Height:
- 2-3 ft
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- jun, jul, aug
- Bloom Colors:
- White, Pink
- Food Forest:
- Plant contains edible parts
Native Range
United States: Alabama, Arkansas, Arizona, Colorado, District of Columbia, Georgia, Iowa, Idaho, Illinois, Indiana, Kentucky, Maryland, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, Nebraska, New Jersey, New Mexico, New York, Ohio, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Virgin Islands, Washington, Wisconsin, West Virginia, Wyoming, Canada: Alberta, British Columbia, Ontario, Saskatchewan
Host Plant for Caterpillars
Reported Fauna Sightings
Soil Requirements
- Soil Type:
- well-drained, sandy or rocky soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers open, sunny habitats
Germination Information
Pre-treatment: Seeds are cold stratified for 3-5 months. For damp stratification, seeds are mixed with equal amounts of vermiculite and lightly dampened in a plastic bag or container. Seeds can also be covered with medium.
Establishment: Germination characteristics of this species are reported to vary according to fresh seed or seed dry stored for six months. Germination is equal in light and dark. Germination can be uneven and occur over many days. Many seeds are not filled and are easily crushed, these won't germinate.
Source: npn.rngr.net