Hypericum inodorum Magical Red Flame KOLMAREF - St. John's wort
Hypericum inodorum Magical Red Flame KOLMAREF - St. John's wort
Hypericum inodorum Magical Red Flame KOLMAREF - St. John's wort
Hypericum inodorum Magical Red Flame KOLMAREF - St. John's wort
Hypericum inodorum Magical Red Flame KOLMAREF - St. John's wort
Hypericum x inodorum Magical® Red Flame 'KOLMAREF'
St. John's wort
Arrived in good condition, waiting for the end of winter.
ben, 22/11/2025
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Description
Hypericum x inodorum Magical Red Flame 'KOLMAREF' is part of the Magical series®. It has a naturally compact habit, with beautiful semi-evergreen foliage that resists rust well. From June-July to September-October, it is covered with small golden cup-shaped flowers, followed by beautiful clusters of bright red fruits in a dazzling symphony of summer colours. These fruits turn black when ripe. They persist until the beginning of winter and contribute to making this variety attractive for many months. St. John's wort is a true all-terrain plant, settling in the sun or semi-shade in flower beds, rockeries, borders, or even in a pot on a terrace.
This variety is part of a new generation of hybrids developed in Holland, resistant to the rust disease that usually affects many shrubby hypericums, particularly those derived from Hypericum inodorum, native to the island of Madeira. They produce berries of varied colours depending on the variety, ranging from white to green and yellow, from pink to orange, from red to almost black. These small compact bushes bloom abundantly from the first year in the garden, and fruit with generosity and regularity. All these plants belong to the Hypericaceae family.
Hypericum x inodorum Magical Red Flame 'KOLMAREF' has a rapid growth rate, and will generally not exceed 90cm (35in) in height and 70cm (28in) in spread. It has a bushy, ramified, and dense habit, and carries dark green leaves which are most often semi-evergreen. They are ovate, leathery, without petioles, and slightly glaucous underneath. It flowers for four months of the year, from June-July to September-October. The flowers are produced abundantly in clusters of 3 to 23 very small flowers 1.5 to 3cm (1in) in diameter. They are composed of 5 rounded golden yellow petals arranged in an open cup. The centre of the flower is occupied by a crown of protruding stamens. This flowering is followed by the formation of beautiful clusters of conical fruits, which are pink then bright red, before turning black when ripe, measuring 8 to 13mm (0.3 to 0.5in) in diameter.
St. John's wort is appreciated for its very long flowering and ease of cultivation in all soils and under all our climates, even by the sea and even in the shade. If you like yellow flowers, this variety is ideal for planting in a new garden, even when you are a beginner in gardening. It excels in low shrub or perennial flower beds, and also on a terrace or balcony, planted in a large pot. You can, for example, plant it with purple foliage (physocarpus, berberis, bronze fennel) in a fashionable design, or play on the perfect harmony between the yellow of its flowers and the blue of perovskia, caryopteris, nepeta, or perennial geranium. Surround your flower beds with euphorbia and lady's mantle, with flattering foliage. Its yellow flowering will not compete with pastel spring flowering. Its branches bearing clusters of fruits can be used to create unique bouquets.
Hypericum inodorum Magical Red Flame KOLMAREF - St. John's wort in pictures
Plant habit
Flowering
Foliage
Botanical data
Hypericum
x inodorum
Magical® Red Flame 'KOLMAREF'
Clusiaceae
St. John's wort
Cultivar or hybrid
Planting and care
Plant in a very sunny situation in cool climates, or semi-shade in a warm climate, sheltered from the wind. Its foliage can be damaged by sun that is too scorching. This St. John's wort adapts to almost all soils, as long as they are well prepared. The pH should neither be excessively acidic, nor excessively limey. It needs light, well-drained soil, deep enough to allow it to tolerate dry summers. It is quite hardy, resistant to diseases, and its enemies are rare. Carry out a shaping pruning after flowering.
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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