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blue trumpet vine | Plant Finder | Fill My Garden

Home/Plants/Aquatics

Plants > Aquatics

blue trumpet vine

Thunbergia grandiflora

★ RHS AGM

Genus: Thunbergia
Family: Acanthaceae
Common Names: Bengal clock vine, blue skyflower, clock vine, sky vine, skyflower

About this plant

T. grandiflora is a very vigorous, twining, evergreen, woody-stemmed perennial climber to 6m or more, with heart-shaped, coarsely-toothed leaves and racemes of trumpet-shaped, light violet-blue flowers 7cm across, yellow in the throat

Growing Information

Height

4-8 Metres

Spread

1.5-2.5 Metres

Hardiness

H1B

Foliage

Evergreen

Growing Conditions

Sunlight

Full Sun

Soil

Loam

AcidAlkalineNeutral

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Poorly Drained

Aspect

West FacingSouth Facing

Exposure

Exposed

Care Guide

Cultivation

Grow under glass in a loam-based potting compost in bright filtered light with shade from hot sun. When in growth water moderately and apply a general liquid fertiliser monthly. Water sparingly at other times

Pruning

Pruning group 11

Propagation

Propagate by seed or softwood cuttings

Pests

May be attacked by glasshouse whitefly, glasshouse red spider mite, aphids and scale insects when grown under glass

Diseases

Generally disease free

Garden Uses

Uses

Patio Container

Planting Places

Conservatory

Season of Interest

SpringSummerAutumnWinter

Size & Characteristics

Height

4-8 Metres

Spread

1.5-2.5 Metres

Habit

Columnar Upright

Time to Full Height

Ten To Twenty Years