Species nodding onion
purple-white flower and green stems.

nodding onion

Allium cernuum

The Nodding Onion (Allium cernuum) is one of Mother Nature's true wonders! This beautiful flower features nodding, star-shaped blooms in shades of lavender and pink, creating a gorgeous display in any garden. It's easy to grow, and can tolerate a variety of soil types and growing conditions. The Nodding Onion is also surprisingly hardy, able to withstand extreme temperatures and survive periods of dryness. Its long bloom time and beautiful blooms make it a great choice for flower beds and borders, as well as for the garden vases of modern day bouquets. A stunning little plant, the Nodding Onion is an amazing choice for any flower enthusiast!

Cycle:

Perennial

Watering:

Average

Propagation:

Division

Hardiness Zone:

4 - 8

Flowers:

Pink Flowers

Sun:

full sun,part sun/part shade

Soil:

Sandy Loamy Clay Humus Rocky

Fruits:

brown,black Fruits In Autumn Ready In Fall

Growth Rate:

High

Maintenance:

Low

Drought Tolerant:

Yes

Salt Tolerant:

Yes

Care Level:

Medium

watering

Watering a Nodding Onion (Allium cernuum) plant species should be done regularly. During the growing season, the soil should be kept moist but not soggy. Aim to water deeply at least once per week, depending on the weather conditions in your garden. During drier months, increase watering sessions to twice per week. When watering, direct the stream of water to the soil near the base of the plant to avoid wetting the foliage. Allow the soil to dry out between watering sessions. During the winter, the plant needs less water and should only be watered sparingly.

sunlight

Nodding onion (Allium cernuum) is native to North America and and prefers full-sun to light shade. It grows best in moist to dry soils in a well-draining environment. As a perennial, nodding onion will require at least 6 hours of sunlight per day to be healthy and thrive. During the hot summer months, it is best to provide it with some shade to prevent the foliage from scorching in the sun. The best time of the day to provide it with sunlight is the morning and early afternoon, as this time is much cooler than the late afternoon. During cloudy days, the plant will still benefit from light exposure so as long as there are some breaks in the clouds throughout the day.

pruning

When it comes to pruning the nodding onion (Allium cernuum), it's best to prune the flower stems just after the seeds have formed in late summer. This encourages further flower production and helps to keep the plant looking neat and tidy. Pruning should be done by cutting the stems back to low points just above the ground. Any dead or diseased foliage should be removed completely. It's best to prune only once or twice per year to avoid damaging the plant. If done correctly, the nodding onion should stay vigorous and keep producing flowers every year.

Season

Fall
Winter
Spring
Summer
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Harvest Fruit

Harvesting of Allium cernuum typically begins in late summer, usually in August or September.

Starts Flowering

Allium cernuum typically starts flowering in late spring or early summer, usually in May or June.

Starts Flowering

Allium cernuum typically starts flowering in late spring or early summer, usually in May or June.

Harvest Fruit

Harvesting of Allium cernuum typically begins in late summer, usually in August or September.

Hardiness Map