How To Get Thunbergia To Bloom. Train young plants to reach the support. Press soil down firmly with your hand leaving a slight depression around the plant to hold water.
14012021 You can use zip ties or galvanized wires to tie the remesh to the stakes. Once ready transplant the vine outdoors in mid spring when it always remains above 10 degrees centigrade with a spacing of 30 to 50 cm. Follow the package directions but in many cases its best to use a half-strength solution of fertilizer designed to boost blooming.
Thunbergia prefers a soil pH of 68 to 77.
Thunbergia plants can be trimmed as needed. It should take about two or three weeks for Thunbergia seeds to germinate at a temperature of 18 to 25 degrees centigrade. Coloration of their bloom varies widely from the golden-hued black-eyed susan thunbergia to the blue thunbergia grandiflora. You have to catch the seed pod as soon as it turns brown or it will pop open and youll lose the seed.