Thunbergia Grandiflora (Blue Trumpet Vine) - Flowering Creeper - Soiled

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Blue Trumpet Vine (Thunbergia Grandiflora)

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Blue Trumpet Vine (Thunbergia Grandiflora)

Name: Blue Trumpet Vine (Thunbergia Grandiflora)
Brand: Happy Home Garden
SKU: FC23
Price: 499.00 INR
Availability: OutOfStock

₹ 499.00

₹ 699.00 ₹ 499.00

The Blue Trumpet Vine (Thunbergia grandiflora), also known as the Bengal Clock Vine or Blue Skyflower, is a powerhouse of the tropical garden. Native to India, this vigorous evergreen climber is world-renowned for its stunning clusters of large, trumpet-shaped flowers in a mesmerizing shade of sky blue or pale lavender, often with a soft yellow throat. Its lush, heart-shaped leaves provide a dense, emerald-green curtain that can quickly cover fences, pergolas, or even scale large trees. Often called "the most beautiful vine in the world," it is a favorite for gardeners wanting high-impact color and rapid, reliable growth.

💡 Why is it called the "Clock Vine"? The name comes from its unique growth habit—the vine stems always twine around their support in a consistent clockwise direction! It is also called the "Sky Vine" because, when in full bloom, the masses of blue flowers look like a piece of the sky has fallen into your garden.

🌿 The Ultimate Privacy Screen If you have a chain-link fence or a boring compound wall that needs hiding, the Blue Trumpet Vine is your best friend. It is exceptionally fast-growing and dense, making it one of the most effective natural privacy screens available for Indian gardens.

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Light

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Thrives in full sun to partial shade. To produce its maximum floral display, it needs at least 6 hours of direct sunlight. While it can grow in shadier spots, the foliage will remain lush but the number of flowers will significantly decrease.

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Watering

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Requires regular watering, especially during the establishment phase and hot summer months. Keep the soil consistently moist but avoid waterlogging. Once established, it is moderately drought-tolerant but performs best with a steady supply of moisture.

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Soil & Fertilizer

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Prefers rich, well-draining soil with plenty of organic matter. Feed monthly with a balanced organic fertilizer or a phosphorus-rich bloom booster during the flowering season (Spring to Autumn) to keep the trumpets coming.

✂️ Training & Pruning This vine is "rampant" in its growth. It needs a very sturdy support system as the woody stems can become quite heavy over time. Prune back heavily in late winter or early spring to control its size and encourage fresh, flower-bearing growth for the coming season.

⚠️ Common Issues & Quick Fixes

Yellowing Leaves

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Usually a sign of overwatering or poor soil drainage. Ensure your pot or garden bed allows excess water to escape freely. It can also indicate a need for iron or nitrogen if the veins remain green while the leaf turns pale.

Sparse Flowering

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This is almost always due to insufficient light. Move the plant to a sunnier location or prune back overhanging trees that might be blocking the sun.

📋 Quick Plant Profile

Botanical Name	Thunbergia grandiflora
Common Names	Blue Trumpet Vine, Bengal Clock Vine, Sky Flower
Flower Color	Sky Blue to Lavender with Yellow Throat
Blooming Season	Year-round (Peak in Summer/Monsoon)
Light Needs	Full Sun to Partial Shade
Growth Habit	Vigorous twining woody climber
Ideal For	Fences, Large Pergolas, Arches, Privacy screens

1 Blue Trumpet Vine (Thunbergia Grandiflora)

Size: 6-12 Inches
(Plant sizes may vary slightly based on seasonal growth, individual plant characteristics, and current stock.)

Difficulty: Easy

Light:

This plant thrives in full sun, meaning it requires at least 6–8 hours of direct sunlight daily. Ideal locations include south- or west-facing balconies, terraces, open gardens, or window sills that receive strong sunlight for most of the day.

Water:

Water deeply 2–3 times a week, depending on weather and soil type. Early morning or late evening is best. Increase frequency during peak summer or dry spells.

Growing Media:

30–40% Garden Soil/Loamy Soil: Provides structure, anchorage, and essential minerals.
20–30% Compost/FYM (well-rotted): Enriches the mix with organic matter and promotes healthy microbial activity.
20–30% Sand/Perlite: Improves drainage and aeration, especially important in pots.
10–20% Vermicompost: Supplies balanced, slow-release nutrients.

Optional: A handful of bone meal or neem cake for root development and pest resistance. This blend supports deep root growth, strong branching, and sustained health whether planted in pots or directly in the ground.

Feeding & Fertilization:

For these plants, use a phosphorus-rich liquid fertilizer (like 10-30-20 or similar) every 2–3 weeks during the blooming season to support healthy flowers. Dilute to half strength to avoid overfeeding.

Mix in a moderate amount of well-rotted compost or vermicompost every 4–6 weeks to improve soil fertility and encourage continuous blooming. Reduce or stop feeding during the off-season when flowering slows.