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Herbaceous Perennial

Phlox paniculata 'Rosa Pastell'

perennial phlox 'Rosa Pastell'

An herbaceous perennial, up to 70cm high, with dark green stems and green, lance-shaped leaves. Large, strongly-scented, pale pink to white flowers with a darker eye, emerge from dark pink buds in mid and late summer

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or West–facing or East–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)

Botanical details

Family: Polemoniaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy
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: Accepted

How to grow

Cultivation

Grow in moist soil in full sun or partial shade

Propagation

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

Suggested planting locations and garden types

Prairie planting
City and courtyard gardens
Cottage and informal garden
Wildlife gardens
Cut flowers
Flower borders and beds

Pruning

Deadhead to prolong flowering then cut down to the base in late autumn

Pests

May be susceptible to stem eelworm

Diseases

May be affected by powdery mildews, grey moulds, and leafy gall

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