Nodding onion (Allium cernuum)

Nodding onion

Also known as: Wild onion

Nodding onion (*Allium cernuum*) is indigenous to most of North America. If you crush the leaves, you’ll immediately detect an onion-like smell. In the past, people cooked with this plant. Most people don’t do that anymore because modern-day onions taste vastly superior to nodding onion.

Scientific classification

Species

Nodding onion (Allium cernuum)

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Perennial

Lifespan

Herb

Plant Type

Summer

Bloom Time

Summer, Fall

Harvest Time

51 cm

Plant Height

Pink, White, Purple, Mauve

Flower Color

Green, Red, Pink, Burgundy

Stem Color

Deciduous

Leaf type

0 - 35 ℃

Ideal Temperature

Summer

Growth Season

Moderate

Growth Rate

Images of Nodding onion

Distribution of Nodding onion

Distribution Map

The plant nodding onion is natively found in North American regions but it has expanded its presence, being introduced to the British Isles. Its adaptability has enabled it to be cultivated in a variety of settings beyond its indigenous range, illustrating its resilience and popularity.

Native

Cultivated

Invasive

Introduced

No species reported

Discover plant distribution and habitat

Gain insights into where plants thrive and how they adapt, helping you identify, cultivate, and protect them with essential information on habitats, distribution maps, and climate trends.

Download the App for Free

Habitat

Ledges, gravels, rocky, wooded slopes, crests

Hemisphere Trend Curve

Northern

Sorthern

Culture

Symbolism

Protection, Exorcism, Healing

Get quick plant knowledge with a snap

Snap a photo for instant plant identification and learn about its name, symbolism, interesting facts, uses, and more.

Download the App for Free

Cultivars

There are several recognized cultivars of Nodding onion, including the following common varieties :

Nodding onion 'Hidcote'

Quickly Identify Nodding onion

Slender, arching foliage distinguishes nodding onion from other plants.

Distinct pendulous arrangement of bell-shaped flowers in pink, lavender, or white.

Fruit undergoes dramatic opening to reveal glistening black seeds.

Linear, basal leaves with smooth margins and parallel venation aid identification.

Light green to reddish-green smooth stem with no branching, 1-2 feet (30-60 cm) tall.

Identify plants with a snap

Instantly identify plants with AI: Snap a photo, and get accurate results within seconds.

Download the App for Free

Care Guide for Nodding onion

Every week

Water

Full sun

Sunlight

0 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Nodding onion thrives in well-drained soil with moderate moisture and prefers consistent hydration, but can endure brief dry spells due to efficient water storage. Weekly watering supports optimal growth, and its ability to utilize seasonal rains minimizes the need for frequent supplemental watering.

Fertilize: For optimal growth of nodding onion, apply balanced fertilizers early in the season, switching to high-phosphorus before flowering. Fertilize monthly at half-strength, adjusting frequency in winter dormancy. Use specialized formulations, avoiding over-fertilization, and consider local soil conditions for effective care.

Pruning: Nodding onion features elegant, nodding flower clusters. Prune in early spring to encourage growth, remove spent flowers for bulb health, and trim dead foliage. Regular pruning enhances vigor and tidiness. Use clean, sharp tools to prevent disease.

Propagation: Nodding onion features delicate, arching stems with bell-shaped flowers and propagates best by division. During dormancy, separate bulbs while preserving roots, and promptly replant at the same depth. Careful division ensures robust growth in the next season.

Repotting: Nodding onion requires excellent drainage when planted in pots to thrive and prevent root rot.

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App for Free