Stokesia 'Amethyst'
"Stokes' aster"
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
Stokesia 'Amethyst' is every bit as precious as its gemstone namesake, only this treasure blooms rather than sparkles. With upright stems that refuse to flop and an abundance of deep purple flowers, this Stokes' aster has been carefully bred to stand out from the crowd. Each bloom is a ruffled burst of violet-lavender radiance, its intricate detail catching the light in a way that’s bound to draw the eye. Compact yet full of energy, Stokesia 'Amethyst' forms a tidy clump of fresh green foliage, from which its jewel-toned flowers rise proudly in summer, bringing both colour and structure to the border.
The real charm of Stokesia 'Amethyst' lies in its reliability. It produces a generous flush of flowers, each one carried confidently on strong stems that withstand the knocks of wind and weather. Whether planted en masse for a dramatic sweep of purple, or tucked into mixed plantings for a touch of intensity, it plays its part with quiet assurance. And when the blooms are gathered into arrangements, they carry their vibrant hue indoors too, making Stokesia 'Amethyst' as versatile as it is striking. It’s a plant that doesn’t just decorate the garden, but elevates it—adding a touch of gemstone glamour to the everyday.
Stokesia is called Stokes' aster in honour of Jonathan Stokes, an 18th-century English botanist who first described this striking perennial.
Key features
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Comes back every year
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Thrives well in full sun
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Great for shade
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In peat-free compost
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Low maintenance
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May need winter cover
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Rodent resistant
Specs & details
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Botanical name
Stokesia laevis 'Amethyst' ('Stam01'ᴾᴮᴿ)
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Flower colour
Purple
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Plant size
1
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Established height
30-50cm
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Established spread
30-50cm
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Plant spacing
5 plants per m2
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Leaf colour
Green
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Habit
Clump-forming
Upright -
Life cycle
Perennial
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Hardiness
Half hardy
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Years to establish
2-3 years
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Sunlight
Full sun
Partial shade -
Position
Sheltered
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Suitable for
Borders
Ground cover
Cottage gardens
Exotic gardens -
Soil acidity
Acid, any
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Soil moisture
Damp
Free draining -
Soil type
Loam
Sandy
Loam-based compost
Multipurpose compost -
RHS Award (AGM)
Yes
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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
Toxic if eaten
Plant calendar
| Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
- Planting
- Flowering
Useful information
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Soak the Stokesia 'Amethyst' roots in water for 3-6 hours prior to planting
Plant your "Stokes' aster" bare roots into temporary pots with a multipurpose compost within a week of delivery 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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