Overview

Thunbergia 'Lemon Star' is a climbing climber wall shrub in the genus Thunbergia, part of the Acanthaceae family, with evergreen foliage. Thunbergia 'Lemon Star' grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H2. Suggested uses include cottage and informal garden, patio and container plants, city and courtyard gardens and flower borders and beds.

About

Thunbergia 'Lemon Star' is a climbing cultivar within the Thunbergia genus, known for its evergreen foliage and twining growth habit. This plant thrives in full sun on a south-facing, sheltered aspect with well-drained, neutral loam soil. It flowers in spring and summer, contributing to cottage and informal gardens, patios, containers, city courtyards, and flower borders. Cultivation favours fertile soil with roots kept in shade, and propagation can be achieved by seed or semi-ripe cuttings. It is hardy to UK zone H2.

Growing conditions

Best soil and position for Thunbergia

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H2

Plant details

Thunbergia 'Lemon Star' size, habit and characteristics

Plant type
Climber Wall Shrub, Conservatory Greenhouse
Habit
Climbing
Foliage
Evergreen
Suggested uses
Cottage and informal garden, Patio and container plants, City and courtyard gardens, Flower borders and beds

Care notes

Pruning and caring for Thunbergia 'Lemon Star'

Propagation
Seed, Semi-ripe cuttings
Pest resistance
Aphids, Glasshouse red spider mite, Glasshouse whitefly, Scale insects
Disease resistance
Powdery mildews

Frequently asked questions

Where is the best place to plant Thunbergia 'Lemon Star'?

Thunbergia 'Lemon Star' prefers full sun. It suits sheltered positions.

What soil does Thunbergia 'Lemon Star' need?

Thunbergia 'Lemon Star' grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.

Is Thunbergia 'Lemon Star' hardy in the UK?

Thunbergia 'Lemon Star' has an RHS hardiness rating of H2, meaning it is tender, tolerating 1–5°C, and needs frost-free protection over winter.

How do I propagate Thunbergia 'Lemon Star'?

Seed, Semi-ripe cuttings.

More in the Thunbergia genus

Browse all Thunbergia