Overview
Phlox paniculata 'Starfire' is a clump forming, matforming, trailing perennial in the genus Phlox, part of the Polemoniaceae family, with deciduous, evergreen foliage. It typically grows around 1.2 m tall. Phlox paniculata 'Starfire' grows best in full sun, and tolerates most soils and any pH. 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 is a species of flowering plant in the phlox family (Polemoniaceae). It is native to parts of the eastern and central United States.
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
Growing conditions
Best soil and position for Phlox
- Sunlight
- Full sun
- Soil type
- Sandy, Loamy, Clay
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Full sun
- UK hardiness
- H7
Plant details
Phlox paniculata 'Starfire' size, habit and characteristics
- Plant type
- Perennial
- Habit
- Clump forming, Matforming, Trailing
- Foliage
- Deciduous, Evergreen
- 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 'Starfire'
- Cultivation
- Prefers moist, well-drained soil; deadhead to prolong flowering
- Pruning
- Cut back after flowering to encourage bushiness
- Propagation
- Division, Cuttings
- Pest resistance
- Stem and bulb eelworm
- Disease resistance
- Powdery mildews, Grey moulds, Leafy gall, Fungal leaf spot
Frequently asked questions
How do I grow Phlox paniculata 'Starfire'?
Prefers moist, well-drained soil; deadhead to prolong flowering.
Where is the best place to plant Phlox paniculata 'Starfire'?
Phlox paniculata 'Starfire' prefers full sun. It suits full sun positions.
What soil does Phlox paniculata 'Starfire' need?
Phlox paniculata 'Starfire' is adaptable and grows happily in most soil types, including sandy, loamy and clay. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
How do I prune Phlox paniculata 'Starfire'?
Cut back after flowering to encourage bushiness.
How big does Phlox paniculata 'Starfire' grow?
Phlox paniculata 'Starfire' reaches a height of 1.2 m.
Is Phlox paniculata 'Starfire' hardy in the UK?
Phlox paniculata 'Starfire' 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 'Starfire'?
Division, Cuttings.
More in the Phlox genus
- Phlox 'David'

- Phlox 'Mount Fuji'

- Phlox paniculata 'Fujiyama'Garden Phlox 'Fujiyama'

- Phlox paniculata 'Nirvana'Garden Phlox

- Phlox × arendsiiGarden phlox
- Phlox × arendsii 'Anja'
- Phlox × arendsii 'Hilda'
- Phlox × arendsii 'Laphamii'