Allium Ostrowskianum

Top Size Bulbs

OUT OF SEASON - PRE-SALE STARTS MARCH 1st 2025

 We start shipping our autumn planted bulbs by beginning of October. Once your order ships out you will receive an email with the tracking number.

Bees: Loved by pollinators
Excellent for cutting
Fragrant
Naturalising: Bulbs multiply each year

Total
£4.50

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Free shipping on all orders over £50

100% Grow Guarantee!

Rated 4.8 out of 5 by our customers

Description

Not all alliums tower above everything in the garden. The lovely Allium Ostrowskianum grows to a rather diminutive 15cm, but what it lacks in height it more than makes up for in appearance and performance. Clusters of striking magenta flowers form 5cm heads that make an ideal focal point for rockeries or the edges of borders. These easy-to-grow blooms aren't fussy and tolerate poor soils well.

Height 40 cm.
Bulb size: 4/+ cm.

• Attracts Bees and Butterflies
• Easy to grow

Planting information

· Plant your flower bulbs in autumn (October or November)

· Plant in borders or containers in sun or partial shade

· Plant the bulbs three times the size of the bulb deep

· Space the bulbs two times the size of the bulb apart

· Plant the bulbs with the pointed side facing upwards

For more information, click here to read our How-to-Guides

Shipping rates

UNITED KINGDOM
Orders of £50 or more - FREE SHIPPING
Orders under £50 - Standard shipping - £4.99

Shipping schedule

We start shipping our autumn planted bulbs by beginning of October. Once your order ships out you will receive an email with the tracking number.

Guarantee

For over 4 generations, DutchGrown™ has built its reputation by offering the best flowers bulbs and bare root perennials available anywhere. We take pride in our exceptionally high level of quality control customer service, and our commitment to client satisfaction continues long after the bulbs leave our premises. When you order from DutchGrown™, we 100% guarantee that you will receive the hardiest flower bulbs available, packed with care and ready to thrive in your garden. Read more.

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