Overview

Masdevallia triangularis is a columnar upright conservatory greenhouse in the genus Masdevallia, part of the Orchidaceae family, with deciduous foliage. Masdevallia triangularis grows best in full shade, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H2. Suggested uses include patio and container plants.

About

Masdevallia triangularis is a species of orchid found from Venezuela to Ecuador. It grows to approximately 10 cm tall, and bears flat, solitary flowers above the leaves. It is more warmth tolerant than many other species in subsection Caudatae, and can be cultivated successfully in intermediate conditions. It is native to Colombia, Ecuador, Venezuela, No especificado and Santander. In the garden it prefers full shade and loam and sand soil. In UK gardens it is tender and needs frost-free protection over winter (RHS H2). Suggested uses include patio and container plants. It tolerates soil of any pH, moist but well-drained conditions and north-facing, west-facing and east-facing aspects. Grow in specialist orchid compost. Provide bright, indirect light.

Wikipedia contributors, CC BY-SA 4.0Masdevallia triangularis

Growing conditions

Best soil and position for Masdevallia

Sunlight
Full shade
Soil type
Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
North-facing, West-facing, East-facing
Exposure
Sheltered
UK hardiness
H2

Plant details

Masdevallia triangularis size, habit and characteristics

Plant type
Conservatory Greenhouse
Habit
Columnar upright
Foliage
Deciduous
Suggested uses
Patio and container plants

Care notes

Pruning and caring for Masdevallia triangularis

Propagation
Division when over-filling pot
Pest resistance
Aphids, glasshouse red spider mite, mealybugs
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Masdevallia triangularis?

Masdevallia triangularis prefers full shade. It suits sheltered positions.

What soil does Masdevallia triangularis need?

Masdevallia triangularis grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

Is Masdevallia triangularis hardy in the UK?

Masdevallia triangularis has an RHS hardiness rating of H2, meaning it is tender, tolerating 1–5°C, and needs frost-free protection over winter.

How do I propagate Masdevallia triangularis?

Division when over-filling pot.

More in the Masdevallia genus

Browse all Masdevallia