Gladiolus 'Black Star'
Orders placed until 29 February 2026
You can expect your order in February/March 2026
Orders placed 1 March - 15 April 2026
You can expect your order in March/April 2026
Orders placed 16 April - 15 May 2026
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 it’s decadence and drama you’re after, Gladiolus 'Black Star' has got the goods. With a staggered planting, this strong, large-flowered cultivar can bloom from July to September, proudly displaying spikes of some of the darkest, richest red-black flowers we’ve ever seen! Gladiolus 'Black Star' is a jewel of a plant ideal for weaving through the middle to back of a border or having as a centrepiece in a container display.
Like many gladioli, Gladiolus 'Black Star' will benefit from a little winter protection in the UK. If you garden on heavy, damp soil or live in a chillier region, this is best done by lifting the corms out of the ground in autumn and storing somewhere dry and slightly warm. Keep them there until the following April or May, when it is safe to plant them out again. For those on light, free-draining soil or living in the milder, more southerly part of the country, you will probably get away with leaving them in the ground with a thick layer of insulating mulch.
Key features
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Good for cutting
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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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May need winter cover
Specs & details
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Botanical name
Gladiolus 'Black Star'
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Flower colour
Near-black, brown
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Corm size
12/14
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Established height
1-1.2m
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Established spread
10-20cm
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Plant spacing
30 corms per m2
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Leaf colour
Green
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Habit
Upright
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Life cycle
Short-lived perennial
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Hardiness
Half 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
Borders
Coastal gardens
Gravel gardens
Cottage gardens
Cut flower Gardens
Large containers -
Soil acidity
Any
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Soil moisture
Free draining
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Soil type
Loam
Sandy
Stony
Multipurpose compost
Loam-based compost -
Growing skill
Easy to grow
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Scented
No
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Pollinator-friendly
No
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Mouse resistant
No
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Rabbit resistant
No
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Deer resistant
No
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Toxicity
No report
Plant calendar
| Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
- Planting
- Flowering
Useful information
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Orders placed until 29 February 2025
You can expect your order in February/March 2025Orders placed 1 March - 15 April 2025
You can expect your order in March/April 2025Orders placed 16 April - 15 May 2025
You can expect your order within 10 business days
Perfect companions
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We reduce waste by using recyclable packaging whenever we are able.
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