Allium cernuum (Nodding Onion, Lady's Leek)


Botanical Information

FamilyAmaryllidaceae
GenusAllium
Speciescernuum
CategoryBulbs, Perennials, Wildflowers & Weeds
OriginNative to North America.
Pronunciation

Details

USDA Hardiness Zone4a - 8b
USDA Hardiness Ref.
Canadian Hardiness Zone2a - 8a
Canada Hardiness Ref.
RHS Hardiness ZoneH4 - H7
RHS Hardiness Ref.
Temperature (°C)-32 -(-7)
Temperature (°F)-25 - 20
Height30-50 cm
Spread10-30 cm
GrowthFast
Flowering PeriodJune, July, August

Description and Growing Information

Notable SpecimensRoyal Botanical Gardens, Burlington, Ontario, Canada.
HabitatThis plant grows in dry woods, rock outcroppings and prairies. It is native to North America from New York to British Columbia south to Virginia and Kentucky and south in the mountains.
Leaf DescriptionBasal, several per bulb, plane or concave-convex in cross section, 1-6 mm broad, shorter than the flower stem, entire or small-toothed on the edges, green during flowering, persistent at maturity.
Flower DescriptionEach mature bulb bears a single flowering stem, which terminates in a downward nodding umbel of white or rose flowers.
Fruit DescriptionSpherical crested fruits which later split open to reveal the dark shiny seeds.

Photographs