Allium 'Red Giant Star'
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
Allium 'Red Giant Star' is a show-stopping ornamental onion perfect for bringing a bit of drama to your garden. With its ultra-large blooms and deep, rich, red(ish) purple colour, this allium will be a standout in any garden. The blooms are held atop sturdy stems that can reach up to 30cm in height. The bright, star-shaped blooms of Allium karativiense 'Red Giant Star' are sure to attract butterflies and other pollinators to your yard. Plant in full sun and well-drained soil for best results and enjoy the long-lasting blooms all summer long.
Its showy flowers attract a variety of pollinators and make a great cut flower. Add some drama and color to your garden with Allium karativiense 'Red Giant Star'. It is sure to be the star of the show, and will surely give any onlooker a good dose of star-studded delight!
Key features
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Perfect for pots
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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 karativiense 'Red Giant Star'
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Flower colour
Red, purple
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Bulb size
12/+
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Established height
20-30cm
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Established spread
20-30cm
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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
Pots
Large containers
Borders
Wildlife 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 -
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 'Red Giant Star' 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 'Red Giant Star' 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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