Giant Allium
Allium giganteum
Price comparison:
£12.99 – £17.99
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 sizes
Prices shown are for different pot sizes — compare within size groups for accurate savings
Prices last checked: 27 Apr 2026
Prices exclude delivery. Check retailer for final price.
Retailers shown in order of price — lowest first within each size group.
| Farmer Gracy Flat rate per order. Free over £50. Ships from Netherlands | £14.90 | bulb | View at Farmer GracyOpens product page · Affiliate info |
| Thompson & Morgan £6.99 for plants, £2.99 seeds only. Free over £60 | £17.99 | bare root | View at Thompson & MorganOpens product page · Affiliate info |
Farmer Gracy
Flat rate per order. Free over £50. Ships from Netherlands
Size: bulb
Thompson & Morgan
£6.99 for plants, £2.99 seeds only. Free over £60
Size: bare root
| Crocus £5.99 flat rate per order | £12.99 | Check retailer for size | View at CrocusOpens product page · Affiliate info |
Crocus
£5.99 flat rate per order
Size: Check retailer for size
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: 27 Apr 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 £12.99 to £17.99 depending on pot size and retailer. The cheapest price is currently at Farmer Gracy at £14.90. 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 Farmer Gracy, Thompson & Morgan, 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.
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