Allium longevaginatum
Allium longevaginatum, also known as Onion, is a perennial ornamental plant in the Amaryllidaceae family. It thrives in full sun with medium water needs, suitable for USDA zones 4–9. Growing to a height of 0.4–0.8 meters, it blooms in May and June with white and pink flowers. It prefers loamy, sandy, or chalky soils. This plant is fragrant, attracts pollinators, is non-toxic, and not evergreen.
Light
Full sun
Watering
Medium water
Soil
Loamy, Sandy, Chalky
Height
0.4–0.8 m
Spread
0.15–0.3 m
Zones
4–9
Flower colors