Thunbergia grandiflora (Blue Skyflower)
Thunbergia grandiflora (Blue Skyflower)
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Thunbergia grandiflora (Blue Skyflower) is a vigorous evergreen climbing vine known for its lush green foliage and striking blue, trumpet-shaped flowers with a contrasting yellow throat. Blooming across multiple seasons, it delivers a long-lasting display of colour that brings a bright, tropical feel to garden spaces
Ideal for trellises, fences, and pergolas, this fast-growing climber thrives in full sun to partial shade and prefers regular moisture with well-drained soil. Its strong growth habit and extended flowering period make it a standout choice for creating natural screens and vibrant vertical coverage
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Mature height
5 to 8m
Mature width
2 to 6m
Spacing
2 to 3m
Evergreen/Deciduous
Evergreen
Foliage
Lush green foliage with vivid blue trumpet-shaped flowers and bright yellow centres
Flowering Period & Fruit Development/Harvest
Spring to autumn with extended blooming in warm conditions
Sun tolerance
Full sun to partial shade
Maintenance
Low to medium, benefits from pruning to manage growth and shape
Root System
Vigorous climbing root system, requires support for growth