Plant encyclopedia›perennial phlox 'Blue Boy'

perennial phlox 'Blue Boy'

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A strong-growing herbaceous perennial 90-120cm high with green lance-shaped leaves and large clusters of scented, mauve-blue flowers, with darker purple and white eyes, from summer to early autumn

Scientific classification

Species: perennial phlox 'Blue Boy' (Phlox paniculata 'Blue Boy')
Genus: Phlox
Family: Polemoniaceae

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Toxicity: Herbaceous Perennial
Plant type: 0.5-1 metres
Height: 0.5-1 metres
Spread: Deciduous
Foliage: Clump forming
Habit: Spring · Summer · Autumn
Season of interest: Full sun
Sunlight: Information to be completed
Ideal temperature

perennial phlox 'Blue Boy' pictures

Distribution of perennial phlox 'Blue Boy'

Distribution map

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Culture

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Toxicity

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Quick identification of perennial phlox 'Blue Boy'

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perennial phlox 'Blue Boy' care guide

Moderate regular watering, allowing brief slight drying between soakings
Watering: Full sun
Sunlight: Information to be completed
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; cut down to the base in late autumn and remove the cut stems, to reduce the risk of eelworm and mildew the following year

Propagation

Propagate by division in autumn or spring, by basal cuttings in spring or by root cuttings from early autumn to spring; root cuttings are the best method to ensure healthy plants

Growing

Grow in fertile, humus-rich, moisture-retentive soil in full sun, and every autumn add a thick mulch of organic material to help preserve soil moisture

More growing and care information →

Common pests and diseases

Diseases

Generally disease-free but may be susceptible to crown gall, leafy gall, fungal leaf spot and Verticillium wilt; said to have good resistance to powdery mildews