Clock Vine Blue

Plant Overview

• Botanical Name: Thunbergia grandiflora

• Common Names: Bengal Clock Vine, Blue Sky Vine, Skyflower, Trumpet Vine

• Family: Acanthaceae

• Origin: India and Southeast Asia

• Type: Vigorous perennial climbing vine

• Appearance: Fast-growing woody climber with lush green foliage and large, trumpet-shaped bluish-lavender flowers with yellow throats.

 Care Guide

1.Sun Light

• Prefers full sun to partial shade.

• More sun encourages more blooms.

2. Watering

• Needs regular watering during growing and flowering season.

• Keep soil consistently moist but not waterlogged.

• Drought-tolerant once established.

3. Soil

• Grows best in rich, well-draining loamy soil.

• Slightly acidic to neutral pH.

4. Fertilizer

• Use a balanced fertilizer (NPK 10:10:10) every 2–3 weeks during growth.

• Organic compost also improves flowering.

5. Pruning & Maintenance

• Prune after flowering to control growth and encourage branching.

• Provide strong support (trellis, pergola, or fence).

• Can grow aggressively → regular trimming needed.

 Flowers

• Color: Lavender-blue to violet petals with yellow throat.

• Size: Large, trumpet-shaped flowers (6–8 cm across).

• Season: Blooms heavily in warm months, often spring through autumn.

• Attracts bees, butterflies, and birds.

 Uses & Benefits

1. Ornamental Climber – Beautiful for covering fences, walls, pergolas, or arbors.

2. Shade Provider – Dense foliage creates natural green shade.

3. Landscape Plant – Adds tropical charm with cascading blooms.

4. Erosion Control – Roots help stabilize soil on slopes.

⚠️ Note:

Non-toxic to humans and pets.