Overview

Thamnocalamus spathaceus (Franch.) C.D. Chu & C.S. Chao is a clump forming, spreading branched bamboos in the genus Thamnocalamus, part of the Poaceae family, with evergreen foliage. Thamnocalamus spathaceus (Franch.) C.D. Chu & C.S. Chao grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H3. Suggested uses include cottage and informal garden and sub-tropical.

About

Thamnocalamus spathaceus, commonly known as Muriel bamboo or umbrella bamboo, is a robust, clump-forming evergreen bamboo from the Poaceae family. It features sturdy, hollow stems that may have a waxy, bluish-white coating and support small, greyish-green leaves. This spreading, branched bamboo thrives in full sun or partial shade on well-drained soils, including chalk, loam, and sand, with a preference for moist but well-drained conditions. Suitable for sheltered, south- or west-facing aspects, it is hardy to UK zone H3 and is best propagated by division of established clumps in spring.

About the genus

Thamnocalamus is a genus of clumping bamboo in the grass family. These species are found from the Himalayas as well as Madagascar and Southern Africa.

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

Growing conditions

Best soil and position for Thamnocalamus

Sunlight
Full sun, Partial shade
Soil type
Chalk, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
South-facing, West-facing
Exposure
Sheltered
UK hardiness
H3

Plant details

Thamnocalamus spathaceus (Franch.) C.D. Chu & C.S. Chao size, habit and characteristics

Plant type
Bamboos
Habit
Clump forming, Spreading branched
Foliage
Evergreen
Suggested uses
Cottage and informal garden, Sub-tropical

Care notes

Pruning and caring for Thamnocalamus spathaceus (Franch.) C.D. Chu & C.S. Chao

Propagation
Propagate by division of established clumps in spring
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Thamnocalamus spathaceus (Franch.) C.D. Chu & C.S. Chao?

Thamnocalamus spathaceus (Franch.) C.D. Chu & C.S. Chao prefers full sun and partial shade. It suits sheltered positions.

What soil does Thamnocalamus spathaceus (Franch.) C.D. Chu & C.S. Chao need?

Thamnocalamus spathaceus (Franch.) C.D. Chu & C.S. Chao is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained to well-drained.

Is Thamnocalamus spathaceus (Franch.) C.D. Chu & C.S. Chao hardy in the UK?

Thamnocalamus spathaceus (Franch.) C.D. Chu & C.S. Chao has an RHS hardiness rating of H3, meaning it is half-hardy, tolerating -5 to 1°C, and may need winter protection in colder areas.

How do I propagate Thamnocalamus spathaceus (Franch.) C.D. Chu & C.S. Chao?

Propagate by division of established clumps in spring.