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True Blue Allium

Allium azureum

$9.34
$9.34 $10.99
per Bag of 20
Sale | Save 15%
ZONES  4-10 | Good to grow! Zone
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We're sorry, this product cannot ship to: Idaho, Oregon, Washington, Canada, Puerto Rico, Alaska, Hawaii, US Virgin Islands, and Guam
Allium azureum (Ornamental Onion) flowers are the gardener's holy grail, and this Siberian native provides them in abundance. This bulb is easily grown and decorates the garden with plenty of 1 1/2" round flax-blue flowers.
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Description

Allium azureum (Ornamental Onion) flowers are the gardener's holy grail, and this Siberian native provides them in abundance. Allium azure, also known as Ornamental Onion, is easily grown and decorates the garden with plenty of 1 1/2" round flax-blue flowers. Re-seeds readily. Plant with bright yellow flowers like Golden Spur Columbine. May-June blooming. 18" tall.

Planting & Care

Tips on Growing Fall Planted Flower Bulbs

When you receive your fall bulbs (tulips, daffodils, etc.) keep them in a dry, dark, cool place until ready to plant. They need air circulation so they will not collect moisture and rot. Planting times can vary from early October in the North to mid-to-late November in the southern regions. A good rule of thumb is to plant them about 6 weeks before the ground is frozen or after the first hard freeze.

Soil Preparation for Bulbs

A compost-enriched, well-drained soil is best. Incorporate a good quality organic compost as needed. Yum Yum Mix® is recommended as an excellent source of nitrogen, phosphorus, and potassium needed for strong plants and healthy roots. Mix a small amount into the bottom of the hole before planting your bulbs.

Many bulbs prefer full sun exposure. However, Muscaria, Allium, Galanthus, Hyacinthoides, Scilla and many Daffodils will tolerate partial shade and bloom well.
Pink daffodils will hold their color longer if planted in dappled shade or morning sun/afternoon shade.

After planting, add a top dressing of compost or other organic material and water in thoroughly. If your winter is dry, water every three to four weeks throughout the winter and add more mulch if necessary.

Protect your Bulbs

Apply a mole or gopher repellent to the surface of the ground to protect bulbs from these burrowing mammals.

After your Bulbs have Bloomed

Once your bulbs have bloomed, allow the bulb foliage to brown and fade naturally since the leaves are feeding the bulb in the ground. Removal of foliage weakens the bulb and leads to fewer blooms the following year. Planting your bulbs amongst your perennials is one way to conceal the dying bulb foliage. The perennials begin to grow and fill out as the bulb foliage dies back. The perennials will then provide foliage and color in the garden from late spring through the summer and into fall. Regular fertilization with balanced organic or natural fertilizer and a re-application of mulch each fall will ensure more and more beautiful spring bulb blooms for many years!

Shipping

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We're sorry, this product cannot ship to: Idaho, Oregon, Washington, Canada, Puerto Rico, Alaska, Hawaii, US Virgin Islands, and Guam

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 fall-planted bulbs are packaged to withstand shipping and are fully-guaranteed. Please open upon receipt and follow the instructions included.

Perennials and fall-planted bulbs are shipped at the proper planting time for your Growing Zone. Perennial and fall-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 at (802) 227-7200 or contact us by email or chat.

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Key Features

Light Requirements

  • Morning Sun & Afternoon Shade
  • Full Sun

Water Tolerance

Low-Water

Bloom Time

Early summer

Advantages

  • Attracts Butterflies
  • Autumn Interest
  • Easy To Grow
  • Cut Flowers
  • Small Spaces
  • Rock Gardens
  • Deer Resistant
  • Rabbit Resistant

Additional information

Mature Height

18" tall

Bulb Spacing

16 bulbs per sq ft

Planting Depth

Plant 2-4" deep

Planting Time

  • Fall

Prohibited

  • Idaho
  • Oregon
  • Washington

Growing Zones

  • Zone 4
  • Zone 5
  • Zone 6
  • Zone 7
  • Zone 8
  • Zone 9
  • Zone 10

Ships As

Bulb, Rhizome, Tuber

Can Send To PO Box

Yes

Ships to Hawaii & Alaska

No

Overall rating: 4.2 / 5 from 10 reviews.

AI Generated Review Summary

Summary topics

Review topics: ["blue","plant"].

Review highlights

Reviews

Yellow not blue

"All of the bulbs came up and are healthy; however, every single plant is yellow no blue flowers at all."

— WaterWright (3/5)

Not seeing many buds so far

"I planted these as instructed. So far, not many bulbs. The bulbs that are there are very tiny. I'm hoping I will see some flowers this season. . maybe next season?"

— Nan (3/5)

Bluetiful

"Because of their height these stand above other flowers and are beautiful"

— Shannon (5/5)

After I write this, I'm ordering more

"I tried a small number of these allium and only 2 came up this spring. I am undaunted. (Also, it's probably my fault for not watering over winter) I'm ordering more. They are gorgeous and perfect for the bed where I placed them."

— Molly (4/5)

Yes

"Did rather well."

— Michael (5/5)

Not a show-stopper

"Does not make a statement planted at the given spacing. Needs to be planted much closer together!"

— Crystalspin (3/5)

Doing wonderfully! Anxiously awaiting their blooms!!

"Beautiful in my perennial garden!"

— Mamaw (5/5)

Fantastic

"I used these in an area planted with wildflower seed. Its lovely blue is a great complement to all the yellows and oranges. And it has been blooming for over 2 weeks!"

— Gil (5/5)

lovely easy to grow

"performs as stated in catalog. This would be more noticeable in a pot where the true blue would be easily seen. Its kind of lost in my garden When it spreads a bit it will be more noticeable Nice bulb plant."

— ``Janet N. (4/5)

Beautiful

"All grew & bloomed."

— Chickadee (5/5)

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