Overview

Helicteres isora is a plant with a shrub, small tree habit in the genus Helicteres, part of the Malvaceae family, with deciduous foliage. Helicteres isora grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include specimen plant and exotic garden.

About

Helicteres isora, commonly known as the large-fruited screw tree, is a deciduous shrub or small tree belonging to the Malvaceae family. This cultivar thrives in full sun with a south-facing, sheltered aspect and prefers fertile, well-drained loam soil with a neutral pH. Hardy to UK zone H4, it is suitable as a specimen plant or for an exotic garden. Interest in this plant is primarily during spring and summer, and it can be propagated by seed or semi-ripe cuttings.

Growing conditions

Best soil and position for Helicteres

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H4

Plant details

Helicteres isora size, habit and characteristics

Habit
Shrub, Small tree
Foliage
Deciduous
Suggested uses
Specimen plant, Exotic garden

Care notes

Pruning and caring for Helicteres isora

Propagation
Seed, Semi-ripe cuttings
Pest resistance
Susceptible to aphids
Disease resistance
Susceptible to powdery mildew

Frequently asked questions

Where is the best place to plant Helicteres isora?

Helicteres isora prefers full sun. It suits sheltered positions.

What soil does Helicteres isora need?

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

Is Helicteres isora hardy in the UK?

Helicteres isora has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.

How do I propagate Helicteres isora?

Seed, Semi-ripe cuttings.

More in the Helicteres genus

Browse all Helicteres