Phlox paniculata [Sweet Summer Favourite] ('Ditomfav') (Sweet Summer Series)

RHS Plant Profile
perennial phlox [Sweet Summer Favourite]

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Synonyms

Phlox paniculata 'Ditomfav', Phlox paniculata [Compact Lilac], Phlox paniculata [Magical Favorite], Phlox paniculata [Sweet Summer Lilac]

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Herbaceous Perennial
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A compact, upright herbaceous perennial to 60cm high, with narrowly elliptic, toothed dark green leaves. Produces rounded clusters of fragrant pale pink flowers in midsummer

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Clay Loam
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H7

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Polemoniaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Genus
Phlox may be evergreen or herbaceous, mat-forming or erect perennials or shrubs, with simple leaves and salver-shaped flowers in terminal clusters
Name Status
Trade

How to Grow

Cultivation

Grow in fertile, moist soil in full sun or partial shade. See phlox cultivation for further advice

Propagation

Propagate by division in spring or autumn, by softwood basal cuttings in spring, or by root cuttings in autumn or winter

Suggested planting locations and garden types

  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens
  • City and courtyard gardens
  • Cut flowers
  • Flower borders and beds
  • Wall side borders

Pruning

deadhead to prolong flowering, then cut down to the base in late autumn

Pests

May be susceptible to stem and bulb eelworms

Diseases

May be susceptible to Powdery mildews, leafy gall and leaf spot