The Encyclopedia of House Plants

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Thunbergia

Family: Acantaceae.

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Thunbergia alata Bojer. Common name(s): Black-eyed Susan, Blue trumpet vine, Sky vine
Thunbergia Genus of about 100 species of annuals, evergreen perennials, including many twining climbers, and some shrubs, from tropical and S. Africa, Madagascar, and tropical Asia. Thunbergia is a climbing plant. If grown as a climber some form of support is essential - it can also be grown as a trailing plant in a hanging basket. Pinch out tips of young plants. Remove faded flowers before they produce seed to prolong flowering. Petals can be white, yellow or orange.
Growing conditions Watering and misting Propagation
Average warmth in summer - minimum 55F in winter. Brightly lit spot. Keep well away from direct sunlight. Keep compost moist at all times but never waterlogged. Reduce watering in winter. Use soft, tepid water. Misting is necessary. Take greenwood or semi-ripe stem cuttings in spring. Use a rooting hormone and provide bottom heat. Sow seed at 61-64 F (16-18 C) in spring.
Thunbergia grandiflora
Woody stemmed, evergreen, perennial, twinning climber. Bears trumpet-shaped blue (occasionally white) flowers, 3in (8cm) long. Thunbergia grandiflora

User-submitted additions and corrections:

Hyacinth
Belize
12th Sep 2010
I have a "sky flower" plants that gives pure white flowers.
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