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A picture of a Phlox

Phlox

Phlox 'Fort Hill'

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

Phlox Overview

These are mainly late spring or summer-flowering perennials, some of them are semi-evergreen or evergreen. The flowers are produced in terminal panicles which bloom in clusters and are fragrant.

Common problems with Phlox

How to propagate 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 Phlox

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