How to Grow Paphiopedilum spicerianum
iNaturalist
Paphiopedilum spicerianum
Paphiopedilum spicerianum
flowerPaphiopedilum spicerianum, commonly known as the Spicer's Paphiopedilum or Lady's Slipper Orchid, is a terrestrial orchid native to northeastern India and characterized by distinctive pouch-shaped flowers with striking white and burgundy coloring. This compact, slow-growing orchid is prized by collectors for its elegant blooms and relatively robust nature compared to other Paphiopedilum species. It is typically grown indoors as a potted plant in temperate climates.
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Example Paphiopedilum spicerianum timeline · Pittsburgh, PA (Zone 6b)
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Plant Paphiopedilum spicerianum
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 Paphiopedilum spicerianum blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Zones 10b-11 outdoors; typically grown indoors in cooler climates
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Get my Paphiopedilum spicerianum timeline →Growth Stages
Seedling
6-12 monthsTiny orchid seedlings with minimal foliage emerge from seed flasks; extremely delicate with initial 1-2 leaves
Maintain high humidity (70-80%); keep in humid propagation chamber; use diluted orchid fertilizer; avoid direct water on foliage
Juvenile Growth
1-2 yearsPlant develops 3-5 leaves and begins establishing root system; slow growth characteristic of Paphiopedilum species
Maintain consistent moisture and humidity; provide bright indirect light; apply diluted fertilizer every 2-3 weeks; repot only when roots emerge from drainage holes
Vegetative Development
1-2 yearsMature plant forms rosette of 4-6 long, dark green leaves; builds strength for flowering; no flower buds visible
Maintain moderate to bright indirect light; water when medium dries slightly at surface; apply balanced orchid fertilizer (20-20-20) bi-weekly; ensure good air circulation
Pre-Flowering & Budset
4-8 weeksFlower spike emerges from base of rosette; appears as a green bud among leaves; bud gradually elongates over weeks
Provide cooler winter temperatures (55-65°F nights) to trigger blooming; maintain bright light; reduce nitrogen fertilizer, switch to higher phosphorus formula (10-30-20); keep humidity at 50-60%
Flowering
4-8 weeks (individual flower lasts 4-6 weeks)Single elegant flower blooms with white sepals and petals featuring burgundy veining; distinctive pouch-shaped labellum; typically one flower per spike
Maintain 60-70°F daytime temperatures; keep humidity moderate (50-60%); avoid moving plant to prevent bud drop; water carefully at base only; apply low-nitrogen orchid fertilizer or none during bloom
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Inspect regularly; isolate affected plants; spray with diluted insecticidal soap or 70% isopropyl alcohol on cotton swabs; repeat every 7-10 days
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Increase humidity to 60-70%; spray foliage with water; apply neem oil or horticultural miticide if infestation severe; ensure good air circulation
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Remove by hand with soft brush; treat with insecticidal soap or horticultural oil; apply systematically at 7-day intervals; quarantine infested plants
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Improve air circulation; reduce humidity slightly; avoid wetting foliage; remove affected tissue; apply fungicide if necessary; repot in fresh medium if crown rot suspected
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Remove and discard severely infected plants; sterilize cutting tools with bleach; improve ventilation; reduce overhead watering
Uses
Indoor Ornamental Display
OrnamentalPaphiopedilum spicerianum is prized as an indoor potted plant for its striking, exotic flowers that bloom reliably once mature. Its compact growth habit makes it ideal for windowsills, shelves, and plant stands in homes and offices. [source]
Cut Flower Arrangements
CraftThe long-lasting flowers serve as elegant components in high-end floral arrangements and can remain fresh in a vase for 2-3 weeks. They are particularly valued in tropical and exotic flower arrangements. [source]
Pollinator Observation
WildlifeIn native habitats, Paphiopedilum spicerianum is pollinated by specific bee species. Growing this orchid provides opportunity to study orchid-pollinator relationships and appreciate specialized reproductive strategies. [source]
Air Quality Enhancement
HouseholdLike most orchids, Paphiopedilum spicerianum contributes to indoor air quality by absorbing carbon dioxide at night through CAM photosynthesis, making it beneficial for bedrooms and living spaces. [source]
Traditional Medicine Use
MedicinalIn traditional Asian medicine, related Paphiopedilum species have been used to support overall wellness, though scientific evidence is limited. Modern cultivation focuses primarily on ornamental value. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Paphiopedilum spicerianum is not harvested for foliage or fruit. Flowers are typically left on the plant to bloom for 4-8 weeks. If cut flowers are desired for display, cut the stem just below the flower using a sterile knife; flowers will last 2-3 weeks in a vase with orchid flower food and fresh water changed every 2-3 days. Blooms typically appear in winter to early spring (December-March in Northern Hemisphere).
Fun Facts
- 🌱 Paphiopedilum spicerianum is named after its discoverer, Spicer, and was first described in 1879; it is one of the smaller-flowered but most reliable Paphiopedilum species for home growers.
- 🌱 The distinctive pouch-shaped flower (labellum) evolved as a specialized trap for specific pollinating bee species—insects enter the pouch through the slit and exit through openings where they contact the flower's pollen.
- 🌱 Lady's Slipper Orchids are protected in their native habitats and are listed on CITES Appendix I; all plants in cultivation are artificially propagated, with seed propagation extremely challenging and taking 5-7 years from flask to bloom.
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