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A picture of a Cushion phlox

Cushion phlox

Phlox caespitosa

Full Sun
Moderate watering
Tender

H2

RHS hardiness

1°C

Minimum temperature

Expected size

Height
Spread

1.2m

Max

30cm

Min

Flowering

  • spring
  • summer
  • autumn
  • winter

Cushion phlox Overview

This is a small, cushion-forming species. The leaves are tiny and will form a dense mat. The flowers are white to pale blue they are about 12mm wide.

Common problems with Cushion phlox

How to propagate Cushion phlox

Cuttings

Propagate rock and hybrids by basal cuttings from non-flowering shoots in spring or summer. Root cuttings in winter.

Seed

Species can be increased by seed in autumn or spring. Annuals can be propagated by seed in spring.

Division

P.maculata, P.paniculata and their cultivators should be propagated by division in early spring.

Other uses of Cushion phlox

Containers, window boxes, beds or rockery, flower arranging.