How to Grow Masdevallia cornuta
Masdevallia cornuta
Masdevallia cornuta
flowerMasdevallia cornuta is a miniature epiphytic orchid native to the cloud forests of Ecuador and Peru, prized for its unique horned sepals that resemble a mascaron or demon face. The flowers are typically deep red to burgundy with distinctive horn-like projections, blooming almost continuously throughout the year. This species is highly popular among orchid enthusiasts for its compact size and exotic appearance.
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Example Masdevallia cornuta timeline · Pittsburgh, PA (Zone 6b)
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Plant Masdevallia cornuta
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 Masdevallia cornuta blooms
Around Aug 15≈ 120 days after planting
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in warm, humid tropical and subtropical conditions (zones 10b-11); best grown indoors or in greenhouses in cooler climates
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Get my Masdevallia cornuta timeline →Growth Stages
Dormancy/Rest
2-3 monthsPlant maintains compact rosette growth with minimal new leaf development
Reduce watering slightly but maintain humidity; keep temperatures cool (50-60°F at night); allow 2-3 month rest period annually
Vegetative Growth
4-6 weeksNew leaves and pseudobulbs emerge from the rhizome; plant develops compact clumping form
Maintain consistent moisture and high humidity; provide bright filtered light; apply dilute orchid fertilizer every 2 weeks
Bud Formation
3-4 weeksSmall flower buds develop at the base of pseudobulbs; buds gradually enlarge and show color
Maintain warm daytime temperatures (70-75°F); ensure consistent moisture; increase humidity to 75-80%
Flowering
4-8 weeks per flowering cycleDistinctive horned flowers open with deep red to burgundy coloring and characteristic demon-like appearance; flowers are long-lasting
Maintain warm humid conditions; avoid moving plant; continue regular watering and misting; flowers can last 4-8 weeks
Bloom Succession
Ongoing year-round with minor seasonal variationPlant produces continuous blooms throughout much of the year with successive flowers opening as previous ones fade
Maintain consistent care; allow brief cool rest periods between major flush cycles; this species flowers almost continuously with proper conditions
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Inspect regularly; remove with alcohol-soaked cotton swab; apply neem oil or insecticidal soap every 7 days until resolved
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Increase humidity to discourage; mist foliage frequently; apply miticide or spray with strong water jet; maintain 60%+ humidity
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Remove manually; treat with horticultural oil or neem oil; inspect new plant material before adding to collection
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Allow medium to dry slightly between waterings; use yellow sticky traps; apply diatomaceous earth to medium surface
Uses
Ornamental Display
CulinaryMasdevallia cornuta is not edible but serves as a stunning ornamental specimen plant for displaying in terrariums, vitrines, or dedicated orchid collections. The unique horned flowers are highly valued by orchid enthusiasts as collector's items. [source]
Interior Decoration
HouseholdThe compact size and year-round blooming make this orchid ideal for decorating homes, offices, and greenhouses. Its exotic appearance serves as a conversation piece and adds tropical ambiance to indoor spaces. [source]
Specimen Collection
CraftMasdevallia cornuta is highly sought by orchid collectors and hobbyists for specialized collections. Its unique morphology and continuous blooming make it a prized addition to orchidaria and controlled environment growing spaces. [source]
Pollinator Attraction
WildlifeThe flowers attract specialized insect pollinators, particularly small bees and flies native to cloud forests. Growing this species supports appreciation for tropical pollinator ecosystems and biodiversity. [source]
Harvest Tips
Cut flower stems at the base using sterile scissors when flowers are fully open; flowers last 4-8 weeks in bloom; re-blooming occurs regularly with proper care; do not deadhead spent flowers as they may continue to produce additional blooms on same inflorescence
Fun Facts
- 🌱 The name 'cornuta' refers to the horn-like sepals that give the flower its distinctive appearance, resembling a demon or mascaron face, which is why this group of orchids is nicknamed 'Keg Orchids' or 'Horned Orchids.'
- 🌱 Masdevallia cornuta blooms almost year-round with proper conditions, making it one of the most floriferous orchid species in cultivation.
- 🌱 This species is native to the cool, misty cloud forests of the Andes Mountains where temperatures remain relatively stable between 50-70°F, explaining why it requires cooler than typical tropical orchid temperatures to thrive.
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