

Garden Orchid Duo - Formosan Pleiones
Garden Orchid Duo - Formosan Pleiones
Pleione formosana sp., Alba
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Collection items (2 plants)
Description
We offer you a duo of garden orchids bringing together two varieties of Formosan pleiones, the Pleione formosana species with bicolour flowers and its 'Alba' form with white flowers. You will enjoy the remarkable flowers of these Formosan Orchids in April or May for about ten days. A little sensitive to cold, these delicate little plants deserve the gardener's full attention. They thrive in sheltered gardens, in partial shade, in well-drained substrate, kept moist from spring until September, and drier in winter. Growing them in pots allows them to be sheltered in a cold greenhouse in winter.
This duo consists of:
- x 1 Pleione formosana: the species with 6 cm flowers, pink-lilac, with a trumpet-shaped lip, white speckled with brown, and fringed pink edges.
- x 1 Pleione formosana 'Alba': a rare white form in cultivation. Solitary 6 cm flowers, white with a trumpet-shaped lip, white speckled with very light yellow, and fringed edges.
Small gems for garden orchid enthusiasts, Formosan Pleiones are quite easy to grow under favourable conditions (humus-bearing and moist soil, mild and dry winters, humid and temperate summers). As such, they are reserved for experienced gardeners. Once the flowers have faded, the leaves develop and disappear in autumn. The bulb that has flowered will wither while several bulblets develop around it. They will be able to bloom the following spring.
Formosan pleiones are planted in early spring, in a small cool rockery, in the understory, or wider than tall pots and planters. An orchid substrate is ideal, provided it is kept moist throughout the growth and flowering period. You can also plant them in a pocket of light and porous potting soil and cover them with wood chips. Mulch in winter with dead leaves or cover with a bell jar to protect the stumps from moisture. In a woodland setting, they can be planted in small groups among other garden orchids such as Bletillas, trilliums, and small ferns.
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Plant habit
Flowering
Foliage
Botanical data
Pleione
formosana
sp., Alba
Orchidaceae
Southeast Asia
Planting and care
The Pleione formosana likes very sheltered environments, partial shade, and light humus, always remaining slightly moist between March and September but dry during the winter. In case of winter humidity combined with frost, the rootstock will rot. The plant can withstand a short frost of around -8 to -10 °C in very dry soil. In rock gardens, winter protection is essential against the cold and humidity. To do this, a layer of 20 cm of leaf compost or crushed bark will be placed on the stump, and a waterproof cover will be placed on top of this tapetum. Growing in large pots or planters is possible in 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 dislike limestone, hot and dry summers, wind, dry atmospheres, and cold and humid winters.
The pseudobulb located at the base of the plant should not be completely buried; it should protrude at least half of its height. Watering should be done with non-limestone and non-chlorinated water.
Bring potted plants into a cold greenhouse during the winter.
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).

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