Nodding Onion (Allium)

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Nodding Onions add whimsical texture and soft pink-to-lilac color to the summer garden. Loose umbels of star-shaped flowers face downward, where you’re sure to find a visiting bumblebee. These easy-to-grow, deer resistant flowers will add a layer of detail to any garden design, including border edges, meadow-style gardens, or containers. Bees, butterflies, and hummingbirds love the native flowers! (Allium cernuum)
Zones 4 - 8
Attract Butterflies
Attract Hummingbirds
Bee Friendly
Deer Resistant
Fragrant Flower / Foliage
Multiplies / Naturalizes
Light Requirements
Full Sun
Mature Height 12-18" tall , 4-6" wide
Bloom TimeMid to late summer

USDA Hardiness Planting Zones

To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.

  • If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
  • If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).

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Plant Information
(12-18" tall x 4-6" wide) Nodding Onion is a lovely North American native perennial that adds care-free summer color to the garden. Grass-like foliage arrives in early spring, followed by taller scapes (flower stalks). Pink to lilac umbels of loose, nodding flowers bloom from mid-to-late summer. Easily grown in most conditions, they are drought tolerant once established. Wild Nodding Onion will gradually spread over time when happy to create lovely clumps of blossoms. Try it in a rock garden or perennial bed where its compact height and cheerful blossoms harmonize with other summer bloomers such as Echinacea, Milkweed, and ornamental grasses. When brushed, the flowers and foliage emit an onion-like scent, keeping deer away. Some gardeners use Allium throughout their flower beds in hopes of deterring browsers. This hardy native perennial  is an adaptable staple to almost any garden setting.
More Information
Associated SKUsAM018668
AM018635 (Plant - 3" Pot) - Out of stock.
AM018656 (Tray of 16) - Out of stock.
Common Name
Nodding Onion
Botanical Name
Allium cernuum
4, 5, 6, 7, 8
Light Requirements
Full Sun
Flower Color
Mature Height
12-18" tall
Estimated Mature Spread
4-6" wide
Growth Rate
Bloom Time
Mid to late summer
Planting Depth
Crown of plant should rest just at or above the soil surface after watering in.
Grass-shaped green foliage.
Soil Type
Sandy Soil, Loamy Soil, Average Soil, Drought/Dry Soil, Well-Drained Soil
Soil Moisture
Dry, Average, Well Draining
Dry Sites
Attract Butterflies, Attract Hummingbirds, Bee Friendly, Deer Resistant, Native, Fragrant Flower / Foliage, Multiplies / Naturalizes
Ideal Region
Northeast, Southeast, Midwest, West, Southwest, Pacific Northwest
Planting Time
Neonicotinoid Free
Poisonous or Toxic to Animals
Toxic to dogs, cats and horses.
Ships to Hawaii, Alaska & Canada

As soon as your order is placed you will receive a confirmation email. You will receive a second email the day your order ships telling you how it has been sent. Some perennials are shipped as potted plants, some as perennial roots packed in peat.  The ‘Plant Information’ section describes how that item will ship. All perennials and spring-planted bulbs are packaged to withstand shipping and are fully-guaranteed. Please open upon receipt and follow the instructions included.

Perennials and spring-planted bulbs are shipped at the proper planting time for your hardiness zone. Perennial and spring-planted bulb orders will arrive separately from seeds. If your order requires more than one shipment and all items are shipping to the same address, there is no additional shipping charge. See our shipping information page for approximate ship dates and more detailed information. If you have any questions, please call Customer Service toll-free at (877) 309-7333 or contact us by email.

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US Shipping Charges

Merchandise Shipping
Up to $9.99$6.95
$10 to $19.99$7.95
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$30 to $39.99$9.95
$40 to $59.99$11.95
$60 to $79.99$12.95
$80 to $99.99$13.95
Over $100$16.95

Canadian Shipping Charges

Merchandise Shipping
Up to $24.99$14.95
$25 to $49.99$19.95
$50 to $74.99$24.95
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Over $100$39.95

If your order requires more than one shipment and all items are shipping to the same address, there is no additional shipping charge. If you have any questions, please call us at (877) 309-7333.

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