Phlox ‘Emerald Cushion Blue Alpine’ — Hardy Evergreen Perennial, Bee-Friendly, 1L Pot (Set of 3 or 6)
Phlox ‘Emerald Cushion Blue Alpine’ — Hardy Evergreen Perennial, Bee-Friendly, 1L Pot (Set of 3 or 6)
Phlox ‘Emerald Cushion Blue Alpine’ — a hardy herbaceous perennial with soft lavender-blue and flowering spring. A reliable nectar source for bees and pollinators. Supplied as a set of 3 or 6 well-rooted plants in 1L pots, grown peat-free at our Yorkshire nursery and ready to plant out.
At a glance
- Type: Hardy Evergreen Perennial
- Mature size: 10–15 cm × 30–45 cm
- Flowering: Spring (April–May)
- Position: Full Sun
- Attracts: Bees, Butterflies & Pollinators
- Supplied as: Set of 3 or 6 plants in 1L pots
The detail
Phlox subulata 'Emerald Cushion Blue' is a stunning low-growing alpine perennial, widely valued for its ability to form dense, spreading cushions of evergreen foliage that become smothered in a profusion of soft lavender-blue flowers each spring. This reliable and hardy variety is perfect for adding colour and texture to rockeries, alpine beds, border edges, dry walls, and containers. Once established, it requires very little maintenance and provides excellent ground cover throughout the year.
This listing includes 3 or 6 established plants, each supplied in a 1 litre root ball, ready to plant out and establish quickly in your garden.
Why ours
Grown by us in Yorkshire, in peat-free compost, shipped in plastic-free packaging. Every plant arrives strong, well-rooted and ready to thrive — not weeks of waiting before it gets going. Each order includes access to our free care app with planting and seasonal care reminders.
How to grow
| Botanical name | Phlox subulata 'Emerald Cushion Blue' |
| Mature size | 10–15 cm × 30–45 cm |
| Growth habit | Low-Growing, Mat-Forming, Cushion-Shaped |
| Position | Full Sun |
| Soil | Well-Drained, Poor to Moderately Fertile (Sandy or Gritty Ideal) |
| Flowering | Spring (April–May) |
| Hardiness | Fully Hardy (RHS H5) |
| Attracts | Bees, Butterflies & Pollinators |
| Best for | Rockeries, Alpine Gardens, Border Edges, Dry Walls, Containers, Ground Cover |
Frequently asked
Will it come back next year?
Yes — Phlox ‘Emerald Cushion Blue Alpine’ is a hardy herbaceous perennial. It will die back over winter and re-emerge in spring, returning bigger and stronger each year.
When will it flower?
Expect flowers from spring (april–may). Deadheading spent blooms promptly often encourages a second flush.
Is it really bee-friendly?
Yes — Phlox ‘Emerald Cushion Blue Alpine’ is a known nectar source and is regularly visited by bees, butterflies and other pollinators throughout its flowering season.
What size pot does it arrive in?
Sets are supplied as 3 or 6 individual plants in 1L pot, well-rooted and ready to plant out or pot on.