How to Grow Mounted Angraecum
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Mounted Angraecum
Angraecum species (various, e.g., Angraecum ebracteatum, Angraecum sesquipedale)
flowerAngraecum is a genus of tropical epiphytic orchids native to Madagascar and Africa, prized for their elegant white or pale flowers and intoxicating fragrance. These orchids typically grow mounted on bark, wood, or cork rather than in traditional pots, mimicking their natural rainforest habitat. They are grown primarily as ornamental houseplants and require specific care to thrive in cultivation.
When should you plant Mounted Angraecum in your zone?
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Example Mounted Angraecum timeline · Pittsburgh, PA (Zone 6b)
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Plant Mounted Angraecum
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 Mounted Angraecum blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Mounted Angraecum dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 11-12; primarily grown indoors in most climates as tropical orchids requiring warmth year-round
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Get my Mounted Angraecum timeline →Growth Stages
Establishment (Mounting)
4-8 weeksPlant secured to bark or cork mount with minimal growing medium; roots begin to establish contact with mount surface
Keep very humid and avoid moving plant; mist heavily 2-3 times daily; protect from drafts and temperature fluctuations
Vegetative Growth
6-12 monthsAerial roots develop and extend into air; new leaves emerge from growing points; plant establishes mature growth habit
Maintain 70-90% humidity; provide bright filtered light; water/mist frequently; fertilize weekly with balanced orchid fertilizer at half strength
Flowering Initiation
4-8 weeksFlower spikes emerge from leaf axils; buds form along spike
Maintain slightly cooler temperatures (65-75°F) to encourage blooming; reduce nitrogen fertilizer; maintain humidity; avoid moving plant during spike development
Flowering
4-8 weeksElegant white or pale-colored flowers open, often fragrant especially in evening; flowers may last 4-8 weeks
Maintain consistent care; do not move plant; continue misting and humidity; reduce fertilizer; enjoy fragrance in evening hours
Post-Flowering Rest
2-4 weeksFlowers fade and drop; plant enters brief dormancy period with reduced growth
Reduce watering frequency slightly but maintain high humidity; avoid fertilizing; provide cooler temperatures (60-65°F at night); resume regular care after 2-3 weeks
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity above 75%; spray with water or dilute neem oil; improve air circulation
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Remove with cotton swab dipped in 70% isopropyl alcohol; spray with insecticidal soap; repeat weekly as needed
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Scrape off manually; treat with horticultural oil or neem oil; inspect regularly for reinfestation
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Reduce standing water; improve air circulation; use yellow sticky traps; apply diatomaceous earth if mounted in medium with moisture retention
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Ensure excellent air circulation and avoid water pooling on plant; remove affected tissue; apply fungicide if needed; reduce humidity slightly
Uses
Floral Decoration
CulinaryBeautiful white flowers are used in floral arrangements, wedding decorations, and as cut flowers to add elegance and fragrance to indoor spaces. [source]
Indoor Fragrance
HouseholdMany Angraecum species, particularly A. sesquipedale, produce intensely fragrant flowers in evening and night hours, naturally perfuming indoor spaces without artificial fragrances. [source]
Living Botanical Display
CraftMounted Angraecum orchids serve as living art installations and statement houseplants, adding tropical elegance to interior decoration and creating focal points in homes or offices. [source]
Pollinator Garden Plant
WildlifeIn tropical and subtropical regions, Angraecum flowers attract specific moth pollinators, particularly in Madagascar where some species have evolved long spurs matching hawkmoth proboscis length. [source]
Ethnobotanical Use
MedicinalIn traditional African and Malagasy medicine, some Angraecum species have been used in folk remedies, though scientific evidence for medicinal benefits is limited. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Angraecum orchids are ornamental plants grown for flowers, not harvested for food or material. Cut flowers last 4-6 weeks in water and retain their fragrance. For propagation, divisions of mature plants with multiple growth points can be mounted separately after flowering ends; orchid seeds require specialized laboratory propagation (asymbiotic seed sowing).
Fun Facts
- 🌱 Charles Darwin made a famous prediction about Angraecum sesquipedale (Star of Bethlehem orchid) based on its 12-inch-long nectar spur: he theorized an undiscovered moth with a 12-inch proboscis existed in Madagascar to pollinate it. This moth (Xanthopan morganii praedicta) was discovered decades after Darwin's death, confirming his evolutionary prediction.
- 🌱 Angraecum species are primarily epiphytic orchids, growing naturally on tree branches in rainforests rather than in soil, which is why mounting them on bark mimics their natural habitat and leads to healthier, more vigorous plants than traditional potting.
- 🌱 Most Angraecum flowers are pure white and release their strongest fragrance at night, an adaptation to attract nocturnal moth pollinators in their native tropical environments.
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