Allium 'Giganteum'
Order today, receive in September
Orders placed before 1 September 2022
You can expect your order in September 2022
Orders placed 1 September - 15 October 2022
You can expect your order in October 2022
Orders placed 16 October - 15 December 2022
You can expect your order within 10 business days
Free delivery on UK orders over £50
UK orders over £50
Free shipping
UK orders under £50
£4.99
Northern Ireland orders under £50
£6.99
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Description
In today’s gardening world, where garden centres invariably stock very compact plants that display well in the pot, finding tall-flowering plants can be difficult. But not if you choose bulbs – and the giant ornamental onion Allium 'Giganteum' should top your list. Its flower stems reach a height of 1-1.5m, and each sturdy stem is topped with a perfect globe of purple florets. The effect is striking to say the least!
To get the best out of your giant Alliums, plant Allium 'Giganteum' in groups, either near the back of flowering borders, or on their own. Now, it’s just a matter of waiting till late-spring for flowering magic to happen.
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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Fully hardy
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Rodent resistant
Specs & details
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Botanical name
Allium giganteum
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Flower colour
Purple
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Leaf colour
Green
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Bulb size
28/+
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Established height
1.2-1.5m
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Established spread
30-50cm
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Plant spacing
25 bulbs per m2
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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 -
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
Other information
-
Orders placed before 1 September 2022
You can expect your order in September 2022Orders placed 1 September - 15 October 2022
You can expect your order in October 2022Orders placed 16 October - 15 December 2022
You can expect your order within 10 business days -
Plant your Allium 'Giganteum' 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 'Giganteum' bulbs with the pointed side facing upwards.
World class bulbs
We cooperate with the best growers to supply world class bulbs and plants.
We ♥ our planet
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.
Spoilt for choice
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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