You can also propagate Black Eyed Susan vines by "layering". It should take about two or three weeks for Thunbergia seeds to germinate at a temperature of 18 to 25 degrees centigrade. Regional. Cover the exposed soil in the garden bed with a 2-inch (5 cm) layer of mulch. Height: 80 to 320 inches (200 to 800 cm). Gardenia thunbergia can be readily distinguished from other similar species growing in South Africa, but is possibly often confused with other species growing in Zimbabwe and further north. Thunbergia is a family of tender perennial flowering shrubs and climbing vines. Site the bed near a trellis, fence, or similar 5 to 8 foot (1.5 to 3.4 m) tall support. /* Add your own MailChimp form style overrides in your site stylesheet or in this style block. Plant Thunbergiaseedlings outdoors after all frost danger passes or start your own seeds indoors 6 weeks before the last expected frost. It tolerates partial shade but flowering may be reduced. Ad a general purpose fertilizer every 4-6 weeks during the growing season. By simple layering. 49. With proper care, the vines remain in bloom from midsummer until fall frost. Arrives before Christmas. There are many different species of Thunbergia grown in the garden and some of the common varieties include Black eyed Susan Vine, Orange clock vine, Dolls Shoes, Clock vine, and Sky vine. Or, to get a jump start on the growing season, sow Thunbergia Alata seeds indoors 6 - 8 weeks before outdoor planting. It will make a mess while it's dying, but you'll find the broken open seed pods and lots of seeds. Take a 6 to 8 inch stem from a tender, growing tip, and root it in water. Plant the seedlings at the same depth they were growing at previously. Borne singly or in small clusters, they bloom throughout the summer and fall. Black-eyed Susan vine (Thunbergia alata) is a frequent sight in hanging baskets at the garden center. Plant the seedlings at the same depth they were growing at previously. Organic soil. Thunbergia Mysorensis - Clock Vine by Sree314. Copyright © 2013-2020 World of Flowering Plants. 4.0 out of 5 stars 153. GardenersHQ © 2005-2020 Dean Ravenscroft / Thank you for visiting my gardening site; 2020 - 12 - 24 : Privacy Policy. Life Cycle: Half hardy annual. Thunbergia Gregorii. Trumpets. $6.99 $ 6. Propagate: cuttings in the spring. Temperature 70°F (21°C). Thunbergia fragrans bears 2-inch wide, white, fragrant flowers. Space the plants 12 inches (30 cm) apart. Guide plant stems to the support once they are long enough if they don't begin climbing on their own. Following the soaking, sow Black-eyed Susan vine seeds outdoors after the last frost in prepared seed bed. How To Grow Thunbergia From Seed: It is recommended to soak the Thunbergia seeds over night in tepid water. The seeds should be sown into peat pots and lightly covered. Grow in organically rich, fertile, medium moisture, well-drained soils in full sun to part shade. Start seeds indoors six to eight weeks before the last frost, or outdoors when soils warm to 60 F. (16 C.). The flowers have an almost pop art look to them, with a solid center surrounded by a ring of clear colored petals. Spread 2 inches (5 cm) of compost over a well-drained garden bed that receives full morning sunlight and light afternoon shade. Start by sowing two or three seeds in a small pot of fine textured potting soil, then place the pot in a bright, warm location and water regularly. */. A fast growing tropical vine to 60 ft. with large leaves and purple flowers in huge clusters. Thunbergia laurifolia is a popular ornamental plant in tropical gardens. Growing Region: Zones 5 to 10. The plants require less irrigation during rainy weather, and they may require … Black Eyed Susan Vine Seeds Thunbergia Alata Flower (200 Seeds) -African Sunset. 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