Aster 'Lady in Blue'
"Michaelmas daisy"
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
Aster 'Lady in Blue', a delightful Michaelmas daisy, casts a serene spell over UK gardens with its semi-double, daisy-like blooms in soft lavender-blue, each centred with cheerful yellow hearts. The flowers sit atop sturdy, upright stems, creating an airy yet structured display that works beautifully at the back of borders, in mixed perennial beds, or even in pollinator-friendly pockets. Aster 'Lady in Blue' brings a sense of calm sophistication, contrasting elegantly with warmer autumn tones while drawing the eye to its delicate, lilac-hued petals. In UK gardens, this versatile perennial is perfect for creating a long-lasting late-season show, offering colour and charm when many other plants are winding down.
Thriving in full sun to partial shade, Aster novi-belgii 'Lady in Blue' appreciates well-drained soil and will reward gardeners with a generous flowering period throughout late summer and autumn. Its compact yet upright habit ensures that Aster 'Lady in Blue' stays neat without losing its natural grace, making it ideal for borders, cottage-style plantings, or container displays. Whether planted in groups or alongside other autumn bloomers, Aster 'Lady in Blue' guarantees a subtle, enchanting splash of colour. With semi-double blooms that hold up well even in breezy conditions, Aster 'Lady in Blue' (syn. Symphyotrichum novi-belgii 'Lady in Blue') is a dependable, charming addition to UK gardens, bringing elegance, wildlife value, and a touch of lavender-hued magic.
Asters are called Michaelmas daisies because they bloom around Michaelmas in late September, bringing fresh colour just as summer fades.
Key features
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Comes back every year
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Loved by pollinators
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In peat-free compost
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Low maintenance
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Fully hardy
Specs & details
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Botanical name
Aster novi-belgii 'Lady in Blue' syn. Symphyotrichum novi-belgii 'Lady in Blue'
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Flower colour
Lavender-blue
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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
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
Partial shade
Dappled shade -
Position
Sheltered
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Suitable for
Large containers
Borders
Cottage gardens
Low maintenance gardens -
Soil acidity
Any
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Soil moisture
Damp
Free draining -
Soil type
Loam
Clay
Loam-based compost -
Growing skill
Easy to grow
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Scented
No
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Pollinator-friendly
Yes
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Mouse resistant
No
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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 Aster 'Lady in Blue' roots in water for 3-6 hours prior to planting
Plant your "Michaelmas daisy" 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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