Plant allium bulbs from September to December. If needed, keep them in their open packets somewhere cool, dry and well ventilated until planting.
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Just as that famed mountain rises above its neighbours in shimmering majesty, so does Allium 'Mount Everest'. This exquisite species reaches over 1m in height thanks to its tall, straight stem, and its peak is a ball of white, pointy flowers – over 50 closely set together. Since it starts flowering in late spring, Allium 'Mount Everest' is the perfect choice to make your garden the centre of praise and attention before the mid-summer bloom. And once the flowers appear on these giant white alliums, they last for months – because beauty and mountains should endure. Use them at the back of flowering borders to create a striking backdrop for your other garden plants.
Quantity
Plant profile
Plant calendar
Choose full sun or partial shade. Improve heavy soil with organic matter and horticultural grit. For containers, use peat-free multipurpose compost with good drainage.
Plant bulbs pointed side upwards, two to three times their own height deep. A slightly flattened side is perfectly normal and nothing to worry about.
Space small bulbs around 5cm apart. Larger bulbs need more room, generally around twice their own width apart, so their foliage and flowers can develop freely.
Water after planting if the soil is dry, then only when needed. After flowering, allow the foliage to die back naturally. Decorative seedheads can remain in place.
- Botanical name
- Allium stipitatum 'Mount Everest'
- Flower colour
- Green
- Bulb size
- 20/+
- Established height
- 1.2-1.5m
- Established spread
- 30-50cm
- Growing skill
- Easy to grow
- Habit
- Upright
- Hardiness
- Fully hardy
- Leaf colour
- Green
- Mouse resistant
- Yes
- Plant spacing
- 25 bulbs per m2
- Pollinator friendly
- Yes
- Position
- Sheltered
- Rabbit resistant
- Yes
- RHS Award (AGM)
- Yes
- Scented
- No
- Soil acidity
- Any
- Soil moisture
- Free draining
- Soil type
-
Loam
Sandy
Clay
Stony
Multipurpose compost - Suitable for
-
Large containers
Borders
Gravel gardens
Wildlife gardens
Cottage gardens
Low maintenance gardens
Cut flower gardens - Sunlight
- Full sun
- Toxicity
- Skin/eyes irritant
- Years to establish
- 1st year
Good for cutting
Pollinator-friendly
Thrives in full sun
RHS Recommended
Perennial
Fully hardy
Packed in paper
Low maintenance
Attracts wildlife
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Paeonia 'Lemon Chiffon'
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Allium 'Mount Everest' reviews
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