Phlox 'Ground Blue'
"Blue moss phlox"
Orders placed before 1 September 2025
You can expect your order in August/September
Orders placed 1 September - 15 October 2025
You can expect your order in September/October
Orders placed 16 October - 15 December 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
Phlox 'Ground Blue' is the perfect solution for gardeners seeking a low-maintenance, evergreen groundcover with a touch of elegance. Reaching a modest 20cm in height, this compact plant forms a dense mat of foliage that effectively suppresses weeds while offering a soft, calming display of light blue flowers. Phlox subulata 'Ground Blue' is an excellent choice for brightening up rockeries, pathways, or filling those tricky spaces between paving stones. Its soft blue blooms create a serene atmosphere, making it ideal for creating a tranquil corner in your garden.
Also known as blue moss phlox or creeping phlox, 'Ground Blue' thrives in well-drained soil and enjoys full sun, making it both hardy and easy to grow. Its dense, spreading habit means that it not only adds beauty but also helps to maintain a tidy, low-maintenance garden. Phlox subulata 'Ground Blue' will continue to impress year after year, offering a dependable display of colour without the need for constant attention. Whether you're a novice or an experienced gardener, this versatile groundcover brings both aesthetic appeal and practicality to any outdoor space. Perfect for those looking for a charming, reliable plant, Phlox 'Ground Blue' is sure to become a garden favourite.
Our Phlox subulata 'Ground Blue' plants are supplied as a root ball with healthy growth, ensuring a strong start. They are carefully shipped in our unique cardboard box, designed to keep them safe and in top condition. This ensures they arrive healthy and ready to thrive in their new home.
Key features
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Comes back every year
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Attractive to wildlife
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Loved by pollinators
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Thrives well in full sun
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Low maintenance
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RHS Award (AGM)
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Fully hardy
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Rodent resistant
Specs & details
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Botanical name
Phlox subulata 'Ground Blue'
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Flower colour
Blue
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Plant size
9cm root ball
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Established height
10-20cm
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Established spread
50-70cm
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Plant spacing
9 plants per m2
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Leaf colour
Green
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Habit
Spreading
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
Exposed -
Suitable for
Rockeries
Gravel gardens
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
Sand -
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 Phlox 'Ground Blue' roots in water for 3-6 hours prior to planting
Plant your "Blue moss phlox" 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 before 1 September 2025
You can expect your order in September 2025Orders placed 1 September - 15 October 2025
You can expect your order in October 2025Orders placed 16 October - 15 December 2025
You can expect your order within 10 business days
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