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Giant Allium Duet

Giant Allium Bulbs

Giant Allium Duet

Create a sensation in your garden with these giant purple and white allium bulbs. Both the giant purple Allium 'Gladiator' and white Allium stipitatum 'Mount Everest' can reach diameters of 4" and attract many pollinators. Giant allium bulbs are perfect for the perennial border. Not available in ID, WA.
  • Hardiness Zones 4-8
  • Mature Height 36 - 48 inches
  • Bloom Time Late spring-early summer (May-Jun)
  • Light Requirements Full Sun
  • Ship As18-20 CM Bulb
  • Deer Resistant
  • Cut Flower
  • Attracts Pollinators

We ship this item in Fall

Botanical Name: Allium 'Gladiator, Allium stipitatum 'Mount Everest'

Availability: In Stock
SKU: #02729
10/bag(s) Buy More and Save!
  • #Bags
  • $/bag
  • $/bulb
  • Save
  • 1
  • $37.00
  • $3.70
  • 5 or more
  • $29.30
  • $2.93
  • Save 21%
  • 25 or more
  • $23.08
  • $2.31
  • Save 38%
How many do I need? Plant Calculator
# Bags (10/bag) Minus Add
Price$37.00
This Item cannot ship to AE AK GU HI ID PR VI WA
* Your final payment amount will be calculated at the time of checkout.

Product Details

  • Restricted States US:

    AE AK GU HI ID PR VI WA
  • Botanical Name:

    Allium 'Gladiator, Allium stipitatum 'Mount Everest'
  • Ship As:

    Bulb
  • Size:

    18-20 CM
  • Suggested Uses:

    Borders, Bouquets, Cut Flowers, Dried Flowers, Perennializing, Showy Flowers, Deer Resistant, Attract Pollinator
  • Flower Color:

    Purple, White
  • Flower Form:

    Round clusters head of little bells
  • Foliage Type:

    Strap like basal leaves
  • Mature Spread:

    12 - 18 inches
  • Spacing:

    12 - 18 inches

Growing Tips

  • Planting Instructions:

    6" deep and 16 - 18" apart
  • Soil Moisture:

    Well drained
  • Will Tolerate:

    Acidic Soil, Clay Soil, Loamy Soil, Sandy Soil
  • Pruning Instructions:

    None, let foliage die back naturally to store up energy to produce next year's blooms.
  • Winter Care:

    In colder areas mulch is advisable
  • Planting Depth:

    6" deep
  • Watering Requirements:

    Average water needs. Water regularly, do not overwater
  • Fertilization Requirements:

    Once per year in spring
  • Special Care:

    Not needed

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Shipping Information

K. van Bourgondien times its shipments from Holland so that bulbs and bareroots arrive at the proper planting time (depending on climatic conditions) for each area of North America.
We take advanced orders, and as the crops are harvested, our staff of K. van Bourgondien experts makes an on-the-spot selection of the finest bulbs available to fill those reservations.
We will pack and ship your order based on the following schedules. The type of product you order or the weather may affect the anticipated shipping schedule. Please note that we cannot ship outside of the 48 contiguous states. What zone am I in?

Fall 2023 Shipping Schedule

  • Bulbs and Perennials
    Zones First Ship Date Last Order Date
    3A - 6B September 4, 2023 December 4, 2023
    7A - 10B September 25, 2023 December 4, 2023


Shipping Notes:
In all cases, we choose the fastest, most efficient way to send your orders via USPS or FedEx.
Orders for gift certificates will be shipped immediately.

Due to hot weather conditions, we are unable to ship any plant items from late June through August. General merchandise will be shipped with your plant order.

Upon placing your order, you will receive an email confirmation with the details of your order and a shipping estimate. You will also receive an email notification when your order actually ships with an updated arrival estimate. If you have ordered multiple items, you may receive them in more than one shipment. We will send you a separate email confirming each shipment. Large orders may be shipped in more than one package. Your order confirmation will have an estimated shipping time.

You may check your order status at any time on this website using your email or account number provided on your order confirmation.

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