Blue Thunbergia plant (Sky flowers)
Blue Thunbergiaalso known as Bengal Clock Wine or Sky Floweris a fast-growing evergreen vine. It is a plant of the Ekanthesi family, mainly native to South-East Asia, China, India, Nepal, Bangladesh, and Myanmar.
It is also known by popular names like Called Bengal Clock Vine or Sky Flower, Blue Thunbergia, Blue Truptwine, etc. If there are correct conditions, then its bright blue trumpet is suitable for your garden. This plant is very easy to care.
Bengal clock wine flowers are usually sky or blue. Some other varieties produce white flowers. This vine can bear a good cold, but it should be protected from frost.
It has some other varieties:
- T. Grandiflora (Alba). It contains white flowers. 2. T. Grandiflora (Augusta Blue) contains sky blue flowers.
Overview for Bengal Clock Wine :
Scientific name: Thunbergia grandiflora
Common name: Blue Sky Flower, Bengal Clock Wine, Sky flowers, blue trumpet vine, Bengal Trumpet Vine.
Plant type: Flowering vine plant
Sun requires: bright, Indirect sunlight.
Soil: Well-drained, fertile soil.
Soil pH: 6.8 and 7.7
Blooming time: August to September
Hardiness Zone: 9-12
How to care for the Blue Thunbergia plant:
Light:
Blue Thunbergia loves full sunlight; choose a place where the plant receives at least 5 to 6 hours of direct sunlight daily. In very strong sunlight in summer, if you keep it in light shade, its leaves will be saved from burning.
Soil:
The sky flower plant thrives optimally in soil that has excellent drainage, is rich in nutrients, and maintains a pH level ranging from 6.8 to 7.7. A mixture of garden soil, farmyard manure, and sand is ideal. Ensure good drainage, as it prevents root rot.
Watering:
Be sure to water the plant regularly to keep the soil moist, watering before the top of the soil feels completely dry. During the summer, you may have to water more than once; mulching around the roots can maintain moisture. Reduce watering during rainy and cold seasons when the soil is wet.
Fertilizer:
Fertilize Bengal clockvine with organic fertilizer, general liquid fertilizer, or balanced fertilizer (6-6-6) every 15 – 20 days during the growing season. These fertilizers help in producing more flowers. Avoid overfertilizing, as this promotes aggressive spread. High-nitrogen fertilizers should also be avoided, as they promote excessive leaf production.
Prunning:
Pruning is essential for the plant. It helps keep the plant healthy and full. Remove flowers after they fade, cut out old, dry, or tangled branches. This promotes new growth and gives the vine the desired shape.
Support:
Blue Thunbergia plants are climbing plants; they need support to grow. Spread the growing plant in a suitable place with a strong support like a trellis, fence, or pergola. It quickly covers the entire area with green leaves and flowers.
Pests and Diseases:
Although the Sky Flower vine has no serious insect or disease problems, check for common pests such as aphids, scale, or white flies. Spray neem oil solution in case of attack. Good ventilation can help prevent mildew problems.
Conclusion:
Blue Thunbergia is a beautiful and low-care care and easy-climbing plant. With regular sunlight, water, and little care, this plant will give you an outstanding display with brilliant blue flowers.
Read also:
Snail Vine growing and care tips. 8 Climber Plants for Wall Décor. How to Grow a Clerodendrum Plant. When and How to Grow Wisteria Plants. How to grow garlic vine (Mansoa alliacea ). Growing Golden Trumpet vine. Flowering vines for a Balcony garden. How to grow and care for Morning Glory.
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