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Heuchera micrantha Red Sea

Heuchera x micrantha Red Sea®
Creeping Alumroot, Small-flowered Alumroot

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Francine, 13/04/2023

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This plant carries a 12 months recovery warranty

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Value-for-money
Very recent creation with sensational, glossy foliage, where very bright shades of reddish-pink and softer coppery bronze succeed each other. A thick cushion is evergreen and delicate cream-white flowers in summer complete the exceptional nature of this variety. This hardy perennial thrives fully in humus-rich and moist soils, in partial shade or non-burning sun.
Flower size
1 cm
Height at maturity
35 cm
Spread at maturity
45 cm
Exposure
Partial shade, Shade
Hardiness
Hardy down to -29°C
Soil moisture
Moist soil
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Best planting time March, October
Recommended planting time February to April, September to November
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Flowering time June to July
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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.

Heuchera micrantha Red Sea in pictures

Heuchera micrantha Red Sea (Foliage) Foliage

Flowering

Flower colour white
Flowering time June to July
Inflorescence Spike
Flower size 1 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Evergreen
Foliage colour red

Plant habit

Height at maturity 35 cm
Spread at maturity 45 cm
Growth rate normal

Botanical data

Genus

Heuchera

Species

x micrantha

Cultivar

Red Sea®

Family

Saxifragaceae

Other common names

Creeping Alumroot, Small-flowered Alumroot

Origin

Cultivar or hybrid

Product reference857681

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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.

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Planting period

Best planting time March, October
Recommended planting time February to April, September to November

Intended location

Suitable for Shaded rockery, Woodland edge, Undergrowth
Type of use Border, Edge of border, Container
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Beginner
Planting density 5 per m2
Exposure Partial shade, Shade
Soil pH Any
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, Rich and well-drained

Care

Pruning No pruning necessary
Disease resistance Very good
Overwinter Can be left in the ground
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