Overview
Brassia longissima is a clump forming conservatory greenhouse in the genus Brassia, part of the Orchidaceae family, with evergreen foliage. Brassia longissima grows best in partial shade, and tolerates loam soils and neutral pH. Its UK hardiness is rated H1b. Suggested uses include houseplants and conservatory and greenhouse.
About
Brassia arcuigera, the arching brassia, is a species of orchid (family Orchidaceae). It is native to Honduras, Costa Rica, Panama, Colombia, Venezuela, Ecuador, and Peru. The subspecies B. a. longissima is most notable for its very large flowers; as much as 21 inches (53 centimeters) wide "tip to tip". Grow it in partial shade and loam soil. In UK gardens it needs subtropical warmth and glass protection in the UK (RHS H1b). It works well for houseplants and conservatory and greenhouse. It tolerates neutral soils, well-drained conditions and east-facing, north-facing and west-facing aspects. Plant at appropriate depth in well-drained soil.
Wikipedia contributors, CC BY-SA 4.0 — Brassia arcuigera
About the genus
Brassia is a genus of orchids classified in the subtribe Oncidiinae. It is native to Mexico, Central America, the West Indies, and northern South America, with one species extending into Florida.
Wikipedia contributors, "Brassia", CC BY-SA 4.0 — Brassia
Growing conditions
Best soil and position for Brassia
- Sunlight
- Partial shade
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- East-facing, North-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H1b
Plant details
Brassia longissima size, habit and characteristics
- Plant type
- Conservatory Greenhouse, Houseplants
- Habit
- Clump forming
- Foliage
- Evergreen
- Suggested uses
- Houseplants, Conservatory and greenhouse
Care notes
Pruning and caring for Brassia longissima
- Propagation
- Division
- Pest resistance
- Mealybugs, aphids, scale insects
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Brassia longissima?
Brassia longissima prefers partial shade. It suits sheltered positions.
What soil does Brassia longissima need?
Brassia longissima grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Brassia longissima hardy in the UK?
Brassia longissima has an RHS hardiness rating of H1b, meaning it needs subtropical warmth of 10–15°C and must be grown under glass in the UK.
How do I propagate Brassia longissima?
Division.