Allium 'Gladiator'
Orders placed before 1 September 2025
You can expect your order in August/September
Orders placed 1 September - 15 October 2025
You can expect your order in September/October
Orders placed 16 October - 15 December 2025
You can expect your order within 10 business days
UK orders over £50
Free shipping
UK orders under £50
£4.99
Northern Ireland orders under £50
£5.99
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Google 4.7 (9,505 reviews)
Shop app 4.6 (8,841 reviews)
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Description
Gaze across a field that holds Allium 'Gladiator' – you’ll notice it instantly. Its giant heads spread over 20 cm in diameter and contain countless miniature florets, each a rich pink- or rose-purple. This stunning onion is a cross between two other alliums, but it will never make you cross. When you have rows of Alliums 'Gladiator' in your garden, they make it look ordered and precise. It’s the flower for the perfectionist in you. And there’s something entrancing about its heads – the closer you look, the more attractive they become. Be careful not to get dizzy and fall into them!
Key features
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Good for cutting
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Comes back every year
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Attractive to wildlife
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Loved by pollinators
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Thrives well in full sun
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Packed in paper bags
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Low maintenance
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RHS Award (AGM)
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Fully hardy
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Rodent resistant
Specs & details
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Botanical name
Allium 'Gladiator'
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Flower colour
Purple
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Bulb size
18/+
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Established height
1-1.2m
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Established spread
30-50cm
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Plant spacing
25 bulbs per m2
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Leaf colour
Green
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Habit
Upright
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Life cycle
Perennial
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Hardiness
Fully hardy
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Years to establish
1st year
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Sunlight
Full sun
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Position
Sheltered
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Suitable for
Large containers
Borders
Gravel gardens
Wildlife gardens
Cottage gardens
Low maintenance gardens
Cut flower gardens -
Soil acidity
Any
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Soil moisture
Free draining
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Soil type
Loam
Sandy
Clay
Stony
Multipurpose compost -
RHS Award (AGM)
Yes
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Growing skill
Easy to grow
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Scented
No
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Pollinator-friendly
Yes
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Mouse resistant
Yes
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Rabbit resistant
Yes
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Deer resistant
Yes
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Toxicity
Skin/eyes irritant
Plant calendar
| Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
- Planting
- Flowering
Useful information
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Plant your Allium 'Gladiator' bulbs from mid to late autumn;
Plant in borders or containers in sun or partial shade;
Plant your bulbs two to three times as deep as the bulb is high;
Space the bulbs about twice the bulb diameter apart;
Place the Allium 'Gladiator' bulbs with the pointed side facing upwards.
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Orders placed before 1 September 2025
You can expect your order in September 2025Orders placed 1 September - 15 October 2025
You can expect your order in October 2025Orders placed 16 October - 15 December 2025
You can expect your order within 10 business days
Perfect companions
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We reduce waste by using recyclable packaging whenever we are able.
We've got your back
Excellent customer care: Our service is rated 4.8 out of 5 by our customers.
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Biggest ever selection of
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Size matters
You can expect top size flower bulbs and bare-root plants. Always.
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