Overview

Couma macrocarpa is a plant with a climbing habit in the genus Couma, part of the Apocynaceae family, with evergreen foliage. Couma macrocarpa grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H1a. Suggested uses include ornamental.

About

Couma macrocarpa, commonly known as lechi-caspi or sorva, is a climbing evergreen plant from the Apocynaceae family. It thrives in full sun with a south-facing, sheltered aspect and prefers fertile, well-drained loam soil with a neutral pH. Suitable for ornamental use, this cultivar is best grown under UK hardiness rating H1a. Propagation is typically by cuttings, and it is particularly attractive during the spring and summer seasons.

About the genus

Couma is a genus of flowering plants in the family Apocynaceae first described as a genus in 1775. It is native to South America and Central America.SpeciesCouma catingae Ducke - Colombia, Venezuela, Guyana, NW Brazil Couma guianensis Aubl. - Pará, the Guianas Couma macrocarpa Barb.Rodr.

Wikipedia contributors, "Couma", CC BY-SA 4.0Couma

Growing conditions

Best soil and position for Couma

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H1a

Plant details

Couma macrocarpa size, habit and characteristics

Habit
Climbing
Foliage
Evergreen
Suggested uses
Ornamental

Care notes

Pruning and caring for Couma macrocarpa

Propagation
Cuttings
Pest resistance
High
Disease resistance
High

Frequently asked questions

Where is the best place to plant Couma macrocarpa?

Couma macrocarpa prefers full sun. It suits sheltered positions.

What soil does Couma macrocarpa need?

Couma macrocarpa grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.

Is Couma macrocarpa hardy in the UK?

Couma macrocarpa has an RHS hardiness rating of H1a, meaning it needs tropical warmth above 15°C and must be grown under glass in the UK.

How do I propagate Couma macrocarpa?

Cuttings.