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Calanthe discolor - Garden orchid

Calanthe discolor
Garden orchid

3,8/5
5 reviews
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2 reviews
1 reviews

I'm waiting till next year to see if it has established well or not.

Virginie V., 24/09/2017

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This plant carries a 6 months recovery warranty

More information

Calanthe discolor is a hardy terrestrial orchid with an exotic look, bearing sublime bicoloured flowers.
Flower size
3 cm
Height at maturity
40 cm
Spread at maturity
30 cm
Exposure
Partial shade, Shade
Hardiness
Hardy down to -15°C
Soil moisture
Moist soil
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Best planting time March to April
Recommended planting time March to May
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Flowering time May to June
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Description

Calanthe discolor is a hardy terrestrial orchid with an exotic look, bearing sublime bicoloured flowers.

 

This terrestrial orchid comes directly from the mountains of Japan; adapted to the cold, it is the hardiest species in its genus. It produces beautiful light brown and white bicoloured flowers in spring (from May to June). The semi-evergreen light green leaves are nicely pleated and measure 30-40cm (12-16in) long.

 

This orchid prefers cool undergrowth with acidic and humus-rich soils that stay moist in summer but are never waterlogged. It likes warmth and protected and bright locations, but never direct sunlight. In regions with mild winters, it will retain its foliage, while in other areas, the leaves will be damaged by frost and will regenerate in early spring.

The rhizomatous clump-forming rootstock will slowly sucker to form beautiful clumps, taking at least 3 years to produce 4-5 inflorescences. An exceptional plant for experienced gardeners.

 

Plant Calanthe discolor in a protected location, alongside arisaemas, ferns or hostas.

Plant habit

Height at maturity 40 cm
Spread at maturity 30 cm
Growth rate normal

Flowering

Flower colour two-tone
Flowering time May to June
Flower size 3 cm

Foliage

Foliage persistence Semi-evergreen
Foliage colour medium green

Botanical data

Genus

Calanthe

Species

discolor

Family

Orchidaceae

Other common names

Garden orchid

Origin

Cultivar or hybrid

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Planting and care

Calanthe discolor likes protected environments and soils rich in humus, light and moist but well-draining. The soil should never dry out in summer, but should never be waterlogged in winter or the rootstock may rot. Plant them in partial shade, at the edge of tall trees, with west being the best exposure. In heavy soil, add 1/3 leaf compost and 1/3 non-chalky sand, which you can mix with your topsoil to a depth and width of 20-25cm (8-10in).

Planting period

Best planting time March to April
Recommended planting time March to May

Intended location

Type of use Border, Free-standing, Container
Hardiness Hardy down to -15°C (USDA zone 7b) Show map
Ease of cultivation Experienced
Planting density 5 per m2
Exposure Partial shade, Shade
Soil pH Acidic
Soil moisture Moist soil, humus-bearing and light

Care

Soil moisture Moist soil
Overwinter Can be left in the ground
3,8/5
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