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Pleione formosana

Pleione formosana
Windowsill orchid, Formosan pleione, Taiwan orchid

4,1/5
11 reviews
4 reviews
1 reviews
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2 reviews

Bulbs arrived on time but very dry, without roots and packaged without substrate. They took a long time to want to germinate and are growing very slowly now, and I have little hope for flowering this season. Disappointed!

Yolande , 08/06/2024

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This plant carries a 6 months recovery warranty

More information

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An adorable little orchid with beautiful flowers. The blooms are large compared to the size of the plant. The flowers appear in March-April, just before the leaves unfold. Their petals and sepals are a slightly mauve-pink, and the fringed trumpet-shaped lip is white with brown-orange speckles inside. Ideally, grow it in an orchid substrate. It is sensitive to cold, so is most often cultivated in a pot to overwinter in an almost dry area, sheltered from frost. If planted in a very dry rock garden in winter, it can withstand short frosts of -8 to -10°C (17.6 to 14°F).
Flower size
5 cm
Height at maturity
15 cm
Spread at maturity
20 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -9°C
Soil moisture
Moist soil
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Best planting time April
Recommended planting time March to May
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Flowering time April to May
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Description

Pleione formosana is a beautiful terrestrial orchid with spotted pinkish-lilac flowers. It is easy to cultivate in protected gardens.

 

This bristly, rhizomatous bulbous plant develops a single 15cm (6in) long leaf that is lanceolate, elliptical, and folded. It is a lovely medium green colour. From April to May, 10cm (4in) stems bear solitary 8cm (3in) flowers. They are pinkish-lilac with a trumpet-shaped white labellum spotted with brown, with fringed pink edges.

Originally from China and Taiwan, Pleione formosana is semi-hardy. In open ground, this small orchid likes humus-bearing soil without too much limestone. The soil should be moist but well-drained or even porous. It prefers a semi-shaded or sunny position. In winter, place a layer of dead leaves or a bell jar to protect the bulbs. Pot cultivation is possible.

 

Pleione formosana adds a unique touch to miniature gardens, shaded rockeries, or in groups at the base of a tree.

Tip: it is essential that the soil does not dry out after flowering. This is when the pseudo-bulb grows and multiplies.

Plant habit

Height at maturity 15 cm
Spread at maturity 20 cm
Growth rate normal

Flowering

Flower colour pink
Flowering time April to May
Flower size 5 cm

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Botanical data

Genus

Pleione

Species

formosana

Family

Orchidaceae

Other common names

Windowsill orchid, Formosan pleione, Taiwan orchid

Origin

East Asia

Product reference11321

Planting and care

Pleione formosana loves very sheltered environments and partial shade. It prefers soils with light humus. The soil should remain slightly moist between March and September, but dry during winter. The rootstock will rot in winter humidity combined with frost. In very dry soil, the young plant can withstand a short frost of around -8 to -10 °C (17.6 to 14°F) at most. In rockeries, winter protection is essential against the cold, but also against humidity. To do this, place a 20cm (8in) layer of leaf compost or crushed bark on the stump, and put an impermeable protection on top of the layer.

Growing in large pots or planters is entirely possible. Use an orchid substrate or a mixture of 60% ericaceous soil, 20% horticultural compost, and 20% coarse sand.

Pleiones are quite demanding plants during the growing season. A weekly dose of geranium-type fertiliser at half strength from mid-May to mid-September will be very beneficial.

Pleiones hate limestone, hot and dry summers, wind, dry atmospheres, and cold and humid winters.

The rootstock located at the base of the plant should not be completely buried. At least half its height should protrude. Water with non-limestone and non-chlorinated water.

Bring potted plants into a cold greenhouse during winter.

Planting period

Best planting time April
Recommended planting time March to May
Planting depth 1 cm

Intended location

Type of use Border, Free-standing, Container
Hardiness Hardy down to -9°C (USDA zone 8b) Show map
Ease of cultivation Experienced
Planting density 25 per m2
Exposure Sun, Partial shade
Soil pH Acidic, Neutral
Soil moisture Moist soil, Well-drained.

Care

Pruning No pruning necessary
Soil moisture Moist soil
Disease resistance Average
Overwinter Needs to be stored
4,1/5

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