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Advanced
skill rating |
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5m
max. spread |
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10m
max. height |
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1-2 years
to maturity |
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1 hour care
per year |
Botanical name: Thunbergia grandiflora
Other names: Blue trumpet vine, Bengal clock vine, Bengal trumpet, Blue skyflower, Blue-sky flower vine
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Genus: Thunbergia
Species: T. grandiflora - T. grandiflora is a tender, vigorous, twining, evergreen shrub with toothed, heart-shaped, dark green leaves and trumpet-shaped, pale violet-blue flowers with yellow throats blooming in summer.
Thunbergia grandiflora is: Deciduous
Flower: Pale-blue, Violet in Summer
Foliage: Dark-green in All seasons
Habit: Climbing, Twining
Awards: RHS AGM (Award of Garden Merit)
Thunbergia grandiflora (Blue trumpet vine) will reach a height of 10m and a spread of 5m after 1-2 years.
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Suggested uses: Conservatory, Containers, Greenhouse, Sub-Tropical
Cultivation: Grow under glass in a loam-based compost in bright, filtered light with shade from intense sunlight. Water moderately when in growth and apply liquid fertiliser once a month. Water sparingly when dormant.
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| Soil types: |
Loamy |
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| Soil drainage: |
Moist but well-drained, Well-drained |
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| Soil pH: |
Acid, Alkaline, Neutral |
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| Light: |
Full Sun |
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| Aspect: |
South, West |
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| Exposure: |
Sheltered |
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| Hardiness: |
Indoor heated (H1) |
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