Allium caesium
"Light-blue garlic"
Orders placed before 1 September 2024
You can expect your order in September 2024
Orders placed 1 September - 15 October 2024
You can expect your order in October 2023
Orders placed 16 October - 15 December 2024
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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Description
If you’re looking to encourage bees and other pollinators to your garden, Allium caesium will happily contribute with its nectar-rich blooms and is the ideal candidate. Also known as 'Light Blue Garlic', this allium is dainty and slender with beautiful ball-like clusters of blue flowers which bees and butterflies just can’t resist. Create a profusion effect of pretty pompons by planting them in close groups or swathes.
Alliums are hardy, perennial and easy to grow, meaning you can enjoy them again and again every year with hardly any intervention. Just let Allium caesium (syn. Allium urceolatum) pop up and do their thing, bringing a wash of cool blue to your late spring combinations. If you fancy making a cottage-garden bouquet with them, pick a bunch and combine them with other informal late spring stems, it’ll look gorgeous!
Typical flowering time: May/June
Key features
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Farmer Gracy exclusive
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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 caesium
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Flower colour
Blue
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Bulb size
5/+
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Established height
30-50cm
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Established spread
5-10cm
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Plant spacing
100 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
Exposed -
Suitable for
Borders
Gravel gardens
Wildlife gardens
Coastal gardens
Rockery
Cottage gardens
Low maintenance 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 caesium bulbs from mid to late autumn;
Plant in borders or containers in sun or partial shade;
Plant your "Light-blue garlic" bulbs two to three times as deep as the bulb is high;
Space the bulbs about twice the bulb diameter apart;
Place the Allium caesium 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
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