Panicum 'Thundercloud'
"Switch grass"
Orders placed until 29 February 2025
You can expect your order in February/March 2025
Orders placed 1 March - 15 April 2025
You can expect your order in March/April 2025
Orders placed 16 April - 15 May 2025
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
Every garden needs a few well-placed structural plants which rise above the melee of different colours and shapes, drawing the eye and giving real architectural impact. To achieve this effect, few plants are more well-suited than Panicum 'Thundercloud'. Handsome, steely blue-green arcs of foliage rise from neat clumps, and through summer and autumn the look is softened by a veil of delicate, airy, open panicles that float atop tall, graceful stems.
Panicum virgatum 'Thundercloud' favours a position in full sun, and grows well in a wide range of soil types—so long as they have good drainage. The stems can stay in situ through the autumn, to provide end-of season interest—simply cut them down to ground in later winter before new foliage appears. Leaving grasses in place through the winter is highly beneficial for wildlife, giving a place to shelter, So, eco-friendly gardeners will certainly want to make space for a few clumps of Panicum 'Thundercloud' in their display.
Key features
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Good for cutting
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Comes back every year
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Attractive to wildlife
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Thrives well in full sun
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In peat-free compost
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Low maintenance
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Drought tolerant
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Fully hardy
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Rodent resistant
Specs & details
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Botanical name
Panicum virgatum 'Thundercloud'
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Flower colour
Silver, brown
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Plant size
1
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Established height
1.2-1.5m
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Established spread
1-1.2m
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Plant spacing
5 plants per m2
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Leaf colour
Green, silver, blue
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Habit
Upright
Clump-forming -
Life cycle
Perennial
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Hardiness
Fully hardy
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Years to establish
2-3 years
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Sunlight
Full sun
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Position
Sheltered
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Suitable for
Borders
Coastal gardens
Cottage gardens
Gravel gardens
Large containers
Low maintenance gardens
Cut flower gardens
Wildlife gardens -
Soil acidity
Any
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Soil moisture
Free draining
Dry -
Soil type
Loam
Sandy
Loam-based compost
Multipurpose compost
Stony -
Growing skill
Easy to grow
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Scented
No
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Pollinator-friendly
No
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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
No report
Plant calendar
| Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
- Planting
- Flowering
Useful information
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Soak the Panicum 'Thundercloud' roots in water for 3-6 hours prior to planting
Plant your "Switch grass" bare roots into temporary pots with a multipurpose compost in spring and grow-on in a sheltered spot outdoors
Choose a pot which comfortably fits the bare roots. Some have a noticeable crown which should be just below the soil surface with any top growth exposed. Some varieties are a length of root which should be planted lengthways and shallowly (1-2cm deep).
Plant out into borders or permanent containers in late spring or early summer once in full growth. Choose a position in sun or shade depending on the variety.
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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
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