Heuchera micrantha Red Sea
Heuchera micrantha Red Sea
Heuchera micrantha Red Sea
Heuchera x micrantha Red Sea®
Creeping Alumroot, Small-flowered Alumroot
Nothing to say
Francine, 13/04/2023
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Description
Heuchera 'Red Sea' is a very recent cultivar, with truly unique foliage. On its shiny and undulate leaves, a range of fantastic colours can be seen, from red-purple doubled with fuchsia pink to icy silver-red and softer coppery burnt rose towards the end of the season. This perennial forms a dense cushion with ever-changing shades. Delicate summer flowering, in the form of slender spikes adorned with cream-white buds, adds to the charm of this sensational variety. It is undemanding and robust, making it ideal for borders or flower beds, or even in flowering pots on the patio or balcony.
Heuchera 'Red Sea' belongs to the Saxifragaceae family. It is a horticultural hybrid obtained by Dirk Scheys in France. The plant will reach approximately 35 cm (14in) in height and 40 cm (16in) in width, forming a large spreading clump. The foliage is the main asset of this plant: the leaves are shiny on the upper side, and their rich hues, a mix of red, pink, copper, and bronze, evolve with the seasons and temperatures. In summer, the dominant colour is dark coppery pink. The underside of the foliage is a more or less purplish fuchsia pink. The flowering, light and airy, starts in June and continues until August. These long spikes of cream-white flowers, dancing in the wind, give a blurry aspect to this romantic flowering, which is difficult to capture on canvas. This plant has a shallow root system, making it sensitive to dry soil.
Planted in the ground, in a shaded and moist rockery or in a line to highlight a pathway, this heuchera will bring dynamism and a touch of fantastic colour to the garden. Combine it with hostas, small grasses (Stipa, Carex), and ferns for a wild effect. It will also be a good companion for shrubs (small Japanese maples, Japanese spireas, shrubby wormwoods) and roses. Pair it with the blue flowers of perennial geraniums or catmints. Consider heucheras to fill your pots, containers, and flower boxes along with geraniums, for example. A good cut flower, the slender bells of this plant bring a lot of lightness to bouquets.
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Heuchera micrantha Red Sea in pictures
Flowering
Foliage
Plant habit
Botanical data
Heuchera
x micrantha
Red Sea®
Saxifragaceae
Creeping Alumroot, Small-flowered Alumroot
Cultivar or hybrid
Planting and care
Easy to maintain, Heuchera 'Red Sea' thrives in all well-drained, moist soils, in partial shade, and it should be protected from scorching sun and dry conditions. You should plant it in loose soil that is rich in humus, possibly providing mulch to keep the soil moist. It likes well-drained soil and rocks in and above the soil. However, it does not tolerate drought. Sandy and poor soils should be avoided. Also, avoid planting it near overly vigorous perennials. Heucheras have rather shallow root systems and should be planted a little lower than the crown (the point where the foliage originates). After a few years of growth or when dividing them, you should replant them slightly deeper, taking care to remove the lignified parts.
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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