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
- Incarvillea sinensis

- Incarvillea altissima
- Incarvillea beresowskii
- Incarvillea grandiflora
- Incarvillea himalayensis 'Nyoto Sama'