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  1. Life
  2. Plants
  3. Vascular Plants
  4. Monocots
  5. Agaves, Orchids, Irises, and Allies
  6. Amaryllis, Onions, and Allies
  7. Onions
  8. Cepa
  9. Common Onion

species 5,212 observations

Common Onion

Allium cepa

Status
introduced
Traits
Where
In the US
Source
iNaturalist

Field notes

Supports All

62 native animals
supported in the US
  • Caterpillars Moths and butterflies raised on it Leek Moth, Great Southern White, Fruit-tree Leafroller Moth, Virginian Tiger Moth 27
  • Hosted animals Gall makers, leaf miners and other animals living on or in it American Serpentine Leaf Miner 1
  • Plant eaters Animals that feed on it Western Flower Thrips, Bird Cherry-oat Aphid, Weevil, Black Bean Aphid 10
  • Flower visitors Pollinators and other flower visitors Vancouver Bumble Bee, Tripartite Sweat Bee, Fuzzy-Horned Bumble Bee, Yellow-faced Bumble Bee 24

Range

United States

Greener is more native, amber more introduced; paler is less certain. How this was decided

Key traits

Layer
Herbaceous plants
Light
Full sun
Moisture
Well drained Moist
Soil
Sand Loam Organic
Soil pH
Neutral Alkaline
Deer resistant
Yes
Resists
Black walnut Rabbits
Habit
Arching Erect
Plant type
Bulb Cool season vegetable Edible Vegetable

From NC State Extension.

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