Phlox paniculata Red Flame
Phlox paniculata Red Flame
Phlox paniculata Red Flame
Garden Phlox, Summer Phlox, Perennial Phlox
I pampered the young plants and even raised them up, but not one managed to grow even a little.
Jean, 23/09/2025
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Description
Phlox paniculata 'Red Flame' is part of a series of phlox with a very branched and compact growth, which has early and abundant flowers, and is more resistant to mildew. This variety offers particularly colourful flowers throughout the summer, in a bright cherry red shade, which are pleasantly fragrant. It is an excellent variety to place at the forefront of flower beds or in a planter on the patio. Make beautiful bouquets with its flowers that last well in a vase.
Phlox paniculata 'Red Flame' belongs to the family of Polemoniaceae. It is one of the latest of the excellent 'Flame' series, developed by Bartel's Breeding in the Netherlands. It is a perennial plant with a woody stump forming a dense clump of leafy stems not exceeding 40-45 cm (16-18in) in height and 30-35 cm (12-14in) in width. The stems, rigid and strong, are covered with dark but vibrant green leaves, measuring 12 cm (5in) in length. The flowering, earlier than that of most large phlox, begins in June-July, and continues until September, provided that faded flowers are regularly removed. The fuchsia pink buds open into small tubular corolla flowers, in a bright red-pink colour, with a dark red throat that is very noticeable. They are grouped at the end of erect, dense and pyramidal panicles, 15 cm (6in) in length, which are wonderfully fragrant. The flowers are melliferous and nectariferous.
Phlox are perennial plants accustomed to cottage gardens, as their legendary simplicity and generosity are almost unparalleled in perennial flower beds. The varieties in the Flame series add disease resistance, fragrance, and excellent performance in flower beds to all these qualities. The Phlox 'Red Flame' can be combined with its siblings from the 'Flame' series (Blue Flame, Violet Flame, Pink Flame) with dwarf asters, white or pink lilies, intense blue perennial flax, or white flowers of miniature roses with which it forms a very cheerful ensemble. Phlox paniculata ''Red Flame'' is a top-notch perennial to brighten up flower pots that will adorn balconies and patios.
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Phlox paniculata Red Flame in pictures
Flowering
Foliage
Plant habit
Botanical data
Phlox
paniculata
Red Flame
Polemoniaceae
Garden Phlox, Summer Phlox, Perennial Phlox
Cultivar or hybrid
Planting and care
Phlox paniculata are easy to grow in ordinary soil that does not dry out. The 'Red Flame' phlox prefers a damp and rich soil, even clay which is well drained. It needs sun to flower well. An environment that is too dry or too hot makes the foliage more susceptible to powdery mildew, as well as water on the foliage. When planted in the sun in a hot climate, it will require regular watering and mulching at the base. Pruning the faded inflorescences promotes a second flowering at the end of the season. Protect young plants from slugs, which are fond of their tender shoots.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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