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Beginner
skill rating |
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0.6m
max. spread |
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1.4m
max. height |
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1-2 years
to maturity |
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1 hour care
per year |
Botanical name: Thunbergia alata
Other names: Black-eyed Susan
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Genus: Thunbergia
Species: T. alata - T. alata is a climbing annual with mid-green heart shaped leaves. In summer, it produces bright orange, salver-shaped flowers with conspicuous dark centres, hence its common name.
Thunbergia alata is: Deciduous
Flower: Orange in Summer
Foliage: Green in Summer; Green in Autumn
Habit: Climbing, Twining
Thunbergia alata (Black-eyed Susan) will reach a height of 1.4m and a spread of 0.6m after 1-2 years.
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Suggested uses: Beds and borders, City, Conservatory, Containers, Cottage/Informal
Cultivation: Plant in free-draining soil in a sunny, sheltered position. Provide a means of support for climbing.
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| Soil types: |
Chalky, Clay, 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: |
Tender in frost (H3) |
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We list 2 suppliers who tell us they sell Thunbergia alata (Black-eyed Susan). In order to see the list you'll need to either register or log in as a full member.
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