How to Grow Charlesworth's Paphiopedilum
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Charlesworth's Paphiopedilum
Paphiopedilum charlesworthii
flowerPaphiopedilum charlesworthii is a terrestrial orchid species native to the Himalayan regions of Nepal and Bhutan, prized for its distinctive pouch-shaped flowers with deep burgundy-red coloration. This compact orchid produces striking blooms with a characteristic lady's slipper form, typically flowering once per year with long-lasting flowers. It is an intermediate to cool-growing orchid requiring specific conditions to thrive in cultivation.
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Example Charlesworth's Paphiopedilum timeline · Pittsburgh, PA (Zone 6b)
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Plant Charlesworth's Paphiopedilum
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Charlesworth's Paphiopedilum blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growth Stages
Seedling/Young Plant
12-18 monthsTiny plantlets with emerging root systems and 2-3 small leaves, requiring high humidity and gentle care in propagation conditions
Keep in humid environment (70-80% humidity), use fine orchid bark, water with great care, keep in bright shade, avoid direct disturbance
Vegetative Growth
1-2 yearsPlant develops multiple leaves (typically 4-6 per growth) arranged in fan-like rosettes, with gradually thickening pseudobulbs and expanding root system
Provide consistent moisture without waterlogging, maintain 60-70% humidity, bright indirect light, weekly weak fertilization during growing season (spring/summer)
Bud Formation & Flowering
3-4 weeks from bud initiation to full bloomA single flower spike emerges from the base, gradually elongating with a visible bud developing over several weeks; the distinctive pouch-shaped flower opens with deep burgundy-red sepals and petals
Maintain cool nights (55-60°F) to encourage budding, avoid moving the plant once spike appears, continue regular watering, provide good air circulation to prevent fungal issues on flowers
Full Bloom
6-10 weeksFully opened flower with characteristic pouch, displaying deep burgundy coloration, lasting 6-10 weeks or longer
Continue regular care, maintain humidity without wetting flowers directly, ensure good air movement, support spike if needed with gentle staking
Post-Bloom Rest
2-3 monthsFlower fades and eventually abscises; plant enters period of reduced growth before beginning vegetative cycle again
Do not cut spike until completely brown/dry, reduce fertilization slightly, maintain consistent care to encourage next growth cycle, allow cool rest period (55-60°F nights)
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Inspect regularly, remove with alcohol-soaked cotton swabs, spray with neem oil or insecticidal soap, isolate infected plants
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Increase humidity to 70%+, spray leaves with water, apply miticide if severe, improve air circulation
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Remove scales manually with soft brush, apply horticultural oil or insecticidal soap, repeat treatments weekly for 3-4 weeks
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Improve air circulation, reduce humidity on foliage, avoid wetting leaves, remove affected parts, apply fungicide if necessary
Uses
Not applicable
CulinaryPaphiopedilum charlesworthii is purely ornamental and has no culinary uses. [source]
Cut Flower Arrangement
HouseholdThe striking burgundy-red flowers with distinctive pouch shape make exceptional long-lasting cut flowers for floral arrangements and displays, lasting 4-6 weeks in water. [source]
Floral Art & Hybridization
CraftPrized by orchid breeders and enthusiasts as a parent plant for creating hybrid Paphiopedilum cultivars, contributing its deep coloration and flower form to breeding programs. [source]
Pollinator Education
WildlifeThe specialized pouch structure represents an example of coevolution with specific bee pollinators in its native habitat, serving as an educational specimen for understanding plant-pollinator relationships. [source]
Decorative Houseplant
HouseholdAs an indoor potted plant, it serves as an elegant, long-lasting decorative specimen that adds tropical interest to indoor spaces while requiring intermediate care from dedicated growers. [source]
Harvest Tips
Not applicable - ornamental orchid. Blooms can be cut for display arrangements but will not regenerate; leaving spikes on plant allows energy return to roots for next season's growth.
Fun Facts
- 🌱 Paphiopedilum charlesworthii was first described in 1896 and named after the famous Charlesworth orchid nursery in England, one of the world's premier orchid breeders of the Victorian era.
- 🌱 The flower's distinctive pouch (labellum) functions as a specialized pollinator trap—insects enter seeking nectar, slip on waxy surfaces, and exit past the stamen, ensuring pollen transfer while being unable to easily escape.
- 🌱 This species flowers reliably only after several years of cultivation and requires a pronounced cool winter rest period (55-60°F nights) to set flower buds, making it a true test of an orchid grower's skill and patience.
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