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Nodding Onion

Allium cernuum

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Category
Forb / Wildflower
Sun
Full to Partial
Soil moisture
Medium-Wet to Medium-Dry
Bloom time
Jul–Aug
Bloom color
Purple

About Nodding Onion

Nodding Onion is one of the most distinctive and charming members of the Allium family, named for its unique flower heads that gracefully crook downward. In mid-summer, the plant produces clusters of bell-shaped, soft pink to lilac flowers that hang from the top of leafless stalks, providing a whimsical look to any garden bed. Native to rocky slopes, prairies, and open woods across much of North America, this hardy perennial typically reaches 12 to 18 inches in height. Its late-summer blooms are a critical nectar source for bumblebees and hummingbirds. Nodding Onion is exceptionally easy to grow, thriving in full sun to partial shade and tolerating a wide range of soil types, from moist loam to dry clay. It is deer and rabbit resistant due to its onion-like scent, making it a reliable choice for suburban landscapes. For a stunning effect, plant them in drifts where their nodding forms can create a sense of movement in the breeze.

Native range

Native to 35 states:

AlabamaArkansasArizonaColoradoD.C.GeorgiaIowaIdahoIllinoisIndianaKentuckyMarylandMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNebraskaNew JerseyNew MexicoNew YorkOhioOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaWashingtonWisconsinWest VirginiaWyoming

County range map

BONAP county-level native range map for Allium cernuum

Range map courtesy of BONAP (Biota of North America Program).

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