Plants by mail order since 1984, over 4100 plants online today!
6th January 2021. In line with the current government lockdown rules, Burncoose Nurseries is closed to visitors. However at present we are able to offer click and collect to local customers. This will be weekdays only, not weekends.
Mail order is continuing as normal. However please allow extra time for the couriers to deliver, once despatched from us. Sorry to say that some depots are experiencing high volumes of traffic, also staff shortages.
ALLIUM giganteum
Commonly known as Giant ornamental onion
Giant mauve drumstick-shaped flowers
Further Reading....
- Details
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
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Shades of pink - All shades of pink through to Carmine (red)
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Height - 1.5m (5ft)
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Spread - 20cm (8in)
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Bulb/Corm or rhizomatous perennial - bulbous perennial. Produces dense umbels 10cm (4in) across of 50 or more flowers with prominent stamens.
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Herbaceous - Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch. - strap-shaped, pale-green basal leaves 30-100cm (12-39in) long which wither before flowering.
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Very hardy - Hardy in the severest continental climates including exposed upland locations in the UK. Plant can withstand temperatures < -20 (-4°F)
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Full sun
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Partial shade
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Additional Features - Good to know - - wildlife plant - nectar and pollen for insects.
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Pests & Diseases - onion fly, white rot, downy mildew.
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Place of origin - central Asia.
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Flower Shape - Star-shaped -
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Hardiness - Fully hardy -
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Seasonal Interest - Autumn -
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Summer
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Soil Conditions - Fertile moist well-drained soil - - will tolerate dry conditions
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Wildlife - Bee friendly -
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Butterfly friendly
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Rabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Allium giganteum - Growing Guide
Alliums - Growing Guide
Bulbs - Care Guide
- Protecting general spring bulbs - Video Tip ondemand_video
- Bulbs and Grass Cutting - Video Tip ondemand_video
- Planting Daffodil bulbs for spring colour - Video Tip ondemand_video
- Planting Daffodil bulbs - Indoors and Outdoors
- Daffodils Deadheading / Pruning - Video Tip ondemand_video
- Planting Snowdrops - in winter
- Lifting and dividing Snowdrops - Video Tip ondemand_video
- Planting Alliums for spring colour - Video Tip ondemand_video
- Planting Hyacinths in winter - Video Tip ondemand_video
- Planting Hyacinth bulbs - In winter
- Planting Tulip bulbs for spring - Video Tip ondemand_video
Herbaceous Plants - Video Collection
- Dividing Herbaceous Perennials - Video Tip ondemand_video
- Spring Planting Osteospermums - Video Tip ondemand_video
- Dividing Summer Perennials - Video Tip ondemand_video
- Dividing summer flowering Hemerocallis - Video Tip ondemand_video
- Summer propagation - Video Tip ondemand_video
- Self-seeding aquilegia - Video Tip ondemand_video
- Supporting Plants - Video Tip ondemand_video
- Dead heading meconopsis - Video Tip ondemand_video
- Dead heading Delphiniums - Video Tip ondemand_video
- Feeding herbaceous peonies - Video Tip ondemand_video
1.5m (5ft)
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20cm (8in) |




















ACHILLEA 'Inca Gold'
Available from £12.00

ALLIUM
Onion

ARTEMISIA 'Powis Castle'
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Available from £12.50
CANNA 'Lucifer'
Canna lily, Indian shot plant

CROCOSMIA 'Lucifer'
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Available from £12.50

ERYNGIUM x tripartitum
Tripartite eryngo
Available from £12.50

EUPHORBIA palustris
Available from £11.50

GAURA lindheimeri 'The Bride'
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HELENIUM 'Moerheim Beauty'
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Available from £12.50

HELENIUM 'Ruby Thuesday'
Available from £12.50

HELENIUM 'Wyndley'
Sneeze weed, Helen's flower
Available from £12.50

HEMEROCALLIS 'Stella de Oro'
Daylily
Available from £12.50

KNIPHOFIA rooperi
Red hot poker, Torch lily
Available from £13.00

LYSIMACHIA ciliata 'Firecracker'
Available from £12.50

NEPETA 'Six Hills Giant'
Catmint, Catnip
Available from £11.50

PENSTEMON 'Garnet'
Beard tongue
Available from £11.50
PENSTEMON 'Mother of Pearl'
Beard tongue

PERSICARIA microcephala 'Red Dragon'
Bistort
Available from £12.50

RUDBECKIA
Coneflower

SALVIA
Sage

VERONICA
Speedwell
Useful extras...

Harrod Horticulture Plant Supports - Plant & Border Supports
Curved border restraints
The border restraints are made from sturdy, solid 6mm galvanised steel wire and powder coated dark olive green, available in a variety of sizes providing strong plant support to stop plants falling across lawns and paths
4 options from £14.50

Harrod Horticulture Plant Supports - Plant & Border Supports
Link stakes
Link stakes plant supports are made from dark olive-green powder coated galvanised steel wire (up to 6mm thick), merge seemlessly into the background.
8 options from £17.00

Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00