Phlox paniculata 'Septemberschnee' (Garden Phlox 'Septemberschnee') — Perennial

Overview

Phlox paniculata 'Septemberschnee' is a perennial in the genus Phlox, part of the Polemoniaceae family. It typically grows around 1.2 m tall. Phlox paniculata 'Septemberschnee' grows best in full sun, and tolerates most soils. Its UK hardiness is rated H7. Suggested uses include borders and cut flowers. It is native to Eastern and central United States.

About

Phlox paniculata 'Septemberschnee' is a herbaceous perennial in the Polemoniaceae that reaches about 1.2 m and blooms from June to September. The flowers are mildly fragrant and are produced on upright stems. It prefers full sun and will grow in sandy, loamy or clay soils provided they remain moist but well-drained. Suited to mixed borders and as a source of cut flowers.

Wikipedia contributors, CC BY-SA 4.0 — Phlox paniculata

About the genus

Phlox is a genus of 68 species of perennial and annual plants in the family Polemoniaceae. They are found mostly in North America in diverse habitats from alpine tundra to open woodland and prairie. Some flower in spring, others in summer and fall.

Wikipedia contributors, "Phlox", CC BY-SA 4.0 — Phlox

In the garden

Phlox paniculata 'Septemberschnee' is a perennial native to the eastern and central United States, grown for its summer-to-autumn flowering and light scent. It belongs to the Polemoniaceae and typically reaches around 1.2 m, making it a substantial mid- to back-of-border plant. Flowering takes place from June to September, providing a steady supply of blooms through the warmer months. Plant in a sunny spot; full sun suits its flowering habit best. It accepts a wide range of soils — sandy, loamy or clay — so long as they stay moist but well-drained. In UK terms it is fully hardy (H7), so established plants tolerate winter conditions across the country; the USDA range of 4–9 gives an international comparison for colder or warmer areas. Use 'Septemberschnee' where height and scent matter: place it behind lower perennials in mixed borders or grow in dedicated cutting beds to bring fragrance indoors. Its mildly fragrant blooms and extended June–September display make it particularly useful for extending the season of fresh-cut flowers into late summer.

Growing conditions

Best soil and position for Phlox

Sunlight: Full sun
Soil type: Sandy, Loamy, Clay
Soil moisture: Moist but well-drained
UK hardiness: H7

Plant details

Phlox paniculata 'Septemberschnee' size, habit and characteristics

Plant type: Perennial
Height: 1.2 m
Suggested uses: Borders, Cut flowers
Native to: Eastern and central United States
Fragrance: Mildly fragrant

Care notes

Pruning and caring for Phlox paniculata 'Septemberschnee'

Cultivation: Prefers full sun and moist, well-drained soil. Deadhead to prolong flowering.
Pruning: Cut back after flowering to encourage bushier growth.
Propagation: Division, Cuttings

Frequently asked questions

How do I grow Phlox paniculata 'Septemberschnee'?

Prefers full sun and moist, well-drained soil. Deadhead to prolong flowering.

Where is the best place to plant Phlox paniculata 'Septemberschnee'?

Phlox paniculata 'Septemberschnee' prefers full sun.

What soil does Phlox paniculata 'Septemberschnee' need?

Phlox paniculata 'Septemberschnee' is adaptable and grows happily in most soil types, including sandy, loamy and clay. Aim for soil that stays moist but well-drained.

How do I prune Phlox paniculata 'Septemberschnee'?

Cut back after flowering to encourage bushier growth.

How big does Phlox paniculata 'Septemberschnee' grow?

Phlox paniculata 'Septemberschnee' reaches a height of 1.2 m.

Is Phlox paniculata 'Septemberschnee' hardy in the UK?

Phlox paniculata 'Septemberschnee' has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Phlox paniculata 'Septemberschnee'?

Division, Cuttings.

More in the Phlox genus

Browse all Phlox →