Overview

Incarvillea is a clump-forming herbaceous perennial in the genus Incarvillea, part of the Bignoniaceae family, with deciduous foliage. Incarvillea grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include rock gardens and herbaceous borders. It is native to Afghanistan, China North-Central, China South-Central, China Southeast, East Himalaya, Inner Mongolia, Kazakhstan, Kirgizstan, Manchuria, Mongolia, Nepal, Pakistan, Primorye, Qinghai, Tadzhikistan, Tibet, Uzbekistan and West Himalaya.

About

Incarvillea is a genus of about 16 species of flowering plants in the family Bignoniaceae, native to central and eastern Asia, with most of the species growing at high altitudes in the Himalaya and Tibet. The most familiar species is Incarvillea delavayi, a garden plant commonly known as hardy gloxinia or Chinese trumpet flower.

Growing conditions

Best soil and position for Incarvillea

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Incarvillea size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Clump-forming
Foliage
Deciduous
Suggested uses
Rock gardens, herbaceous borders
Native to
Afghanistan, China North-Central, China South-Central, China Southeast, East Himalaya, Inner Mongolia, Kazakhstan, Kirgizstan, Manchuria, Mongolia, Nepal, Pakistan, Primorye, Qinghai, Tadzhikistan, Tibet, Uzbekistan, West Himalaya

Care notes

Pruning and caring for Incarvillea

Propagation
Seed, division
Pest resistance
Generally pest-resistant
Disease resistance
Generally disease-resistant

Frequently asked questions

Where is the best place to plant Incarvillea?

Incarvillea prefers full sun. It suits sheltered positions.

What soil does Incarvillea need?

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

Is Incarvillea hardy in the UK?

Incarvillea has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Incarvillea?

Seed, division.

More in the Incarvillea genus

Browse all Incarvillea