How to Grow Catasetum tabulare
Catasetum tabulare
Catasetum tabulare
flowerCatasetum tabulare is a deciduous epiphytic orchid native to South America, known for its unique, sexually dimorphic flowers that differ dramatically between male and female blooms. The plant produces fragrant flowers on tall inflorescences and requires a distinct dry season to trigger blooming. It is highly prized by orchid collectors for its unusual pollinator mechanisms and striking floral displays.
When should you plant Catasetum tabulare in your zone?
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Example Catasetum tabulare timeline · Pittsburgh, PA (Zone 6b)
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Plant Catasetum tabulare
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 Catasetum tabulare blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Catasetum tabulare dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in warm tropical zones 10b-12b; can be grown in greenhouses in cooler climates
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Get my Catasetum tabulare timeline →Growth Stages
Dormancy
3-4 months (typically November-February)Plant rests with no foliage; pseudobulbs are fully developed and mature
Withhold water almost entirely, provide bright light, maintain cool to moderate temperatures (55-70°F)
Growth Initiation
4-6 weeksNew shoots emerge from base of pseudobulbs; fresh green growth appears
Resume regular watering as shoots emerge; provide warm temperatures (70-85°F); increase humidity; begin regular feeding
Vegetative Growth
4-6 monthsTall stems with large, thin, deciduous leaves develop; plant reaches full height and leaf count
Maintain consistent warm temperatures, bright light, and regular watering; fertilize bi-weekly; provide staking support
Blooming
2-4 weeks per flower; multiple flowers open sequentiallyInflorescences emerge with sexually dimorphic flowers; males are typically smaller, females larger; flowers are fragrant and long-lasting
Maintain warm conditions; reduce nitrogen fertilizer, increase potassium and phosphorus; mist to enhance fragrance; pollinate by hand or observe pollinator behavior
Post-Bloom Rest
4-6 weeksFlowers fade and drop; leaves gradually yellow and shed; plant prepares for dormancy
Gradually reduce watering and feeding; allow leaves to drop naturally; maintain bright light; cool temperatures (55-65°F) help initiate dormancy
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity, mist foliage, use neem oil spray, improve air circulation
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Inspect regularly, remove manually with soft brush, apply horticultural oil or insecticidal soap
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Remove with alcohol-soaked cotton swab, spray with insecticidal soap or neem oil
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Ensure excellent drainage, allow media to dry between waterings, repot in fresh bark if rot occurs, reduce watering
Uses
Ornamental fragrance
CulinaryWhile not edible, the fragrant flowers are valued for their sweet scent that carries through orchid collections and displays. Some collectors use the flowers as living fragrance in home or greenhouse settings. [source]
Cut flower arrangements
CraftThe long-lasting, exotic flowers are prized for high-end floral arrangements and orchid shows. Both male and female forms are desirable for their unique shapes and colors. [source]
Pollinator attraction
WildlifeCatasetum flowers use unique insect pollination mechanisms, with sexually dimorphic flowers attracting male orchid bees or other pollinators. Growing this orchid supports research on orchid-pollinator coevolution. [source]
Specimen collector plant
HouseholdThis orchid is highly sought by serious orchid enthusiasts and collectors for its rarity, unusual biology, and striking flowers. It showcases advanced orchid cultivation skills. [source]
Ethnobotanical significance
MedicinalLike many orchids, Catasetum species have been used traditionally in indigenous South American medicine, though scientific validation is limited. The plant represents biodiversity of tropical rainforests. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Cut flower spikes at the base when first buds begin to open for longest vase life (7-14 days). Handle carefully as flowers are delicate. For seed collection, hand-pollinate female flowers and allow seed pods to mature for 4-6 months before harvesting.
Fun Facts
- 🌱 Catasetum tabulare produces dramatically different male and female flowers on the same plant—a rare trait called sexual dimorphism in orchids. Male flowers are typically fragrant and ejectable, while female flowers are larger and non-mobile.
- 🌱 This orchid uses 'projectile pollination,' where male flowers literally eject pollinia (pollen masses) onto visiting male orchid bees that mistake the flower for a female bee.
- 🌱 The plant is deciduous, dropping all its leaves after flowering—a survival adaptation to dry seasons in its native cloud forest habitat that distinguishes it from most tropical orchids.
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