ALLIUM giganteum
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ALLIUM giganteum
Commonly known as Giant ornamental onion
Giant mauve drumstick-shaped flowers
Full Plant Details - Sun/Soil & other attributes
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Good to know
Wildlife plant - nectar and pollen for insects. -
Pests & Diseases
Onion fly, white rot, downy mildew. -
Place of origin
Central Asia. -
Shades of pink
All shades of pink through to Carmine (red) -
Star-shaped
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BorderSuitable for the back of a border
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Fully hardy
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Height
1.5m (5ft) -
Spread
20cm (8in) -
Bulb/Corm or rhizomatous perennialBulbous perennial. Produces dense umbels 10cm (4in) across of 50 or more flowers with prominent stamens.
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HerbaceousEarly 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) -
Autumn Seasonal Interest
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Summer Seasonal Interest
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Fertile moist well-drained soilWill tolerate dry conditions
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Full sun
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Partial shade
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toxic if eaten
(People & Pets) -
Bee friendly
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Butterfly friendly
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Rabbit Resistant
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Mature Size1.5m (5ft)
20cm (8in)
View Planting Tips and Care Advice
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
- Overpotting Problems - Video Tip ondemand_video
View Planting Combinations