Illustration. See the retailer's page for photos of the actual plant.
Ornamental Onion
Allium atropurpureum
Available at:
1 UK retailer
Prices below — pot sizes not stated, so not ranked
Bulbs Uk Ornamental Onion is a pollinator-friendly flowering bulb reaching around 80cm tall. Produces flowers 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 1 retailer
Prices last checked: 29 Sept 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.
| Retailer | Price | Pot Size | Action |
|---|---|---|---|
| Beth Chatto Standard delivery charge applies. Click & collect available | £3.50£1.17 per plantChecked 29 Sept | 3 bulbs | View at Beth ChattoOpens product page · Affiliate info |
Beth Chatto
Standard delivery charge applies. Click & collect available
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: 29 Sept 2026
We may earn commission from purchases made through our links. (What does this mean?)
The month's biggest price drops across UK nurseries
One email a month. The plants that got cheaper, and where. Unsubscribe anytime.
We only email you price drops and seasonal savings. No spam, ever.
Plant Information
About this plant
Bulbs Uk Ornamental Onion is a pollinator-friendly flowering bulb reaching around 80cm tall. Produces flowers from May and June. A reliable choice for pollinator-friendly gardens.
Latin Name
Allium atropurpureum
Family
Hardiness Zone
H5
Care Level
moderate
Sun Exposure
full-sun
Water Needs
low
Flowering Season
may,jun
Mature Height
80cm
Frequently Asked Questions
Where can I buy Ornamental Onion online in the UK?
You can buy Ornamental Onion from 1 UK nurseries including Beth Chatto. ComparePlants.uk compares prices across all of them so you can find the best deal.
What is the scientific name for Ornamental Onion?
The scientific name for Ornamental Onion is Allium atropurpureum.
Related reading
Spring Bulbs: A UK Buyer's Guide
Autumn is the perfect time to plant spring bulbs like daffodils, tulips, and alliums for a vibrant display next year — here's how to get it right.
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
October in the UK garden is a pivotal time to support wildlife, with specific plants and small actions making a big difference for birds, pollinators, amphibians, and hedgehogs.
Read the guide →Similar Plants
