Illustration. See the retailer's page for photos of the actual plant.
Giant Allium
Allium giganteum
Price comparison:
£12.14 – £12.99
From 3 UK retailers
Giant Allium is a bulb suited to full sun and well-drained conditions, growing to around 80cm. Flowers appear from May and June. A reliable choice for pollinator-friendly gardens.
Sun
☀️ Full Sun
Water
💧 Low (Well-drained)
Hardiness
🌡️ H5 (Hardy -10°C)
Size
📏 80cm tall × 20cm wide
Flowers
🌸 may,jun
Wildlife
🐝 Pollinator magnet
Compare Prices
Prices from 3 retailers across 2 pot sizes
Prices shown are for different pot sizes — compare within size groups for accurate savings
Prices last checked: 24 Oct 2026
Prices exclude delivery. Check retailer for final price.
Retailers shown in order of price — lowest first within each pot size. Packs are compared only with packs of the same size.
| Crocus £5.99 flat rate per order | £12.99Check availability at retailerChecked 24 Oct | 2L | View at CrocusOpens product page · Affiliate info |
Crocus
£5.99 flat rate per order
Size: 2L
| Mr Fothergill's Does not deliver seeds or plants to Northern Ireland. | £12.14Checked 27 Oct | bulb | View at Mr Fothergill'sOpens product page · Affiliate info |
Mr Fothergill's
Does not deliver seeds or plants to Northern Ireland.
Size: bulb
| D.T. Brown | £12.14£4.05 per plantChecked 27 Oct | 3 bulbs | View at D.T. BrownOpens product page · Affiliate info |
D.T. Brown
Size: 3 bulbs
Prices shown exclude delivery. Delivery charges vary by retailer — see individual listings for details.
Prices may vary. Click through to the retailer for current pricing.
Prices last checked: 24 Oct 2026
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Plant Information
About this plant
Giant Allium is a bulb suited to full sun and well-drained conditions, growing to around 80cm. Flowers appear from May and June. A reliable choice for pollinator-friendly gardens.
Latin Name
Allium giganteum
Family
Hardiness Zone
H5
Care Level
moderate
Sun Exposure
full-sun
Water Needs
low
Flowering Season
may,jun
Mature Height
80cm
Frequently Asked Questions
How much does Giant Allium cost in the UK?
Giant Allium prices in the UK range from £12.14 to £12.99 depending on pot size and retailer. The lowest price we track is £12.14 for a bulb at Mr Fothergill's. Prices are checked nightly across 3 UK nurseries.
Where can I buy Giant Allium online in the UK?
You can buy Giant Allium from 3 UK nurseries including Mr Fothergill's, D.T. Brown, Crocus. ComparePlants.uk compares prices across all of them so you can find the best deal.
What is the scientific name for Giant Allium?
The scientific name for Giant Allium is Allium giganteum.
Related reading
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Read the guide →Where to Buy Spring Bulbs in the UK
Discover where to buy top-quality spring bulbs like tulips and alliums in the UK, ensuring your garden blossoms beautifully next season.
Read the guide →How to Support Wildlife in October
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