Phlox subulata ‘Emerald Cushion Blue’


Phlox subulata ‘Emerald Cushion Blue’ in a 1 litre pot.

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SKU: 233577 Categories: , ,


Phlox subulata, also known as moss phlox or creeping phlox, is a low-growing perennial that forms a mat of colorful flowers in early spring. The plant is native to North America and features needle-like leaves and a dense growth habit. The flowers come in shades of pink, white, blue, and purple, and are highly fragrant. Phlox subulata is a popular groundcover plant due to its ability to spread quickly and cover large areas. It prefers well-drained soil and full sun, and is relatively low-maintenance. Some companion plants that work well with phlox subulata include tulips, daffodils, and hyacinths.

Key Facts

  • Common Name(s):Moss phlox ‘Emerald Cushion’
  • Hardiness:Fully hardy
  • How big will I get? Phlox subulata ‘Emerald Cushion Blue’ can grow to a height of 0.15m and a spread of 0.4m.
  • Did You Know That:“Subulata” is a Latin term that means “awl-shaped” or “tapering to a point like an awl.” It refers to the narrow, pointed leaves of the plant?

Plant Calendar

A rough guide to how this plant will change through the year.

Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec
Flowering Time
Foliage Colour

Care Guide

Soil Requirements

Phlox subulata ‘Emerald Cushion Blue’ prefers soil with good drainage and does not tolerate standing water. This plant can grow in soil with a wide range of pH levels, it is not picky about the pH level of the soil.

Best Position

Phlox subulata ‘Emerald Cushion Blue’ can handle either an exposed or a sheltered position and requires full sun to thrive, this consists of more than six hours of direct sunshine per day.


Phlox subulata ‘Emerald Cushion Blue’ is fairly low maintenance and doesn’t require any pruning.

Pest, Diseases and Wildlife

Phlox subulata ‘Emerald Cushion Blue’ is generally pest free, it can be vulnerable to certain diseases such as powdery mildews. It is toxic to.

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