perennial phlox

Also known as: autumn phlox; cross-leaved phlox; fall phlox; summer perennial phlox; summer phlox; tall garden phlox

An upright perennial to 1.2m high with stems carrying broadly lance-shaped, slightly toothed leaves. Pink, purple or white flat-faced flowers, often strongly scented, are grouped in domed clusters and borne atop the leafy stems from mid- to late summer

perennial phlox

Scientific classification

Species
perennial phlox (Phlox paniculata)
Genus
Phlox
Family
Polemoniaceae
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Toxicity
Herbaceous Perennial
Plant type
1-1.5 metres
Height
0.5-1 metres
Spread
Deciduous
Foliage
Clump forming
Habit
Spring · Summer · Autumn
Season of interest
Full sun · Partial shade
Sunlight
15 – 25 °C
Ideal temperature

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Distribution of perennial phlox

Distribution map

Eastern USA

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Culture

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Toxicity

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Quick identification of perennial phlox

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perennial phlox care guide

Moderate regular watering, allowing brief slight drying between soakings
Watering
Full sun · Partial shade
Sunlight
15 – 25 °C
Ideal temperature

Watering

Moderate regular watering, allowing brief slight drying between soakings

Fertilizing

Balanced perennial feed every four weeks from spring through summer

Pruning

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

Propagation

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

Growing

Grow in average to rich, evenly-moist soil in full sun or light shade

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Common pests and diseases

Diseases

May be susceptible to powdery mildews, grey moulds, leafy gall and leaf spot

Pests

May be susceptible to phlox eelworm

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