Billardiera heterophylla (Lindl.) L.W.Cayzer & Crisp
Billardiera heterophylla is a climber.
Billardiera heterophylla was already described by John Lindley as Sollya heterophylla. In 2004 Lindy Cayzer and Micheal Douglas Crisp reclassified it under it's current name into todays valid botanical systematics.
The plants are twining climbers and reach heights of up to 1,8 metres. Without a suitable climing aid they develop as small shrubs growing up to 1 metre tall.
Billardiera heterophylla is an evergreen plant with simple, alternate leaves. Young leaves are trilobate to tripartite, later they are glossy mid-green, lanceloate to linear with slightly undulate margins.
Flowers and Fruit
The flowers are bell-shaped and blue. They are arranged in cymes and appear in summer and autumn.
The berries are purplish black.
Billardiera heterophylla is native to West Australia and is considered a weed in some regions of Southeast Australia.
Billardiera heterophylla prefers a sunny to half shady site and only tolerates temperatures above 1Â°C (USDA zone 10). The plants grow best in sandy, loamy soil that is moderately moist to moist and well drained. When grown under glass they should be placed in a brigth spot with shelter from hot midday sun.
Well suited for patios and mediterranean themed plantings in frostfree regions. In colder climates teh plants can only be cultivated under glass but may be put outside in summer.
Maintenance and Propagation
Water moderately during growth and apply liquid fertilizer once a month. Water less in winter and do not fertilize.
Propagate by sowing in spring at 10 to 16Â°C. Take softwood cuttings in late spring and early summer.
Varities and Cultivars
Selection has produced cultivars with white and pink flowers.
Pests and Diseases
Generally trouble free, spider mites might be a problem under glass.
- Walter Erhardt, Erich GÃ¶tz, Nils BÃ¶deker, Siegmund Seybold: Der groÃe Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
- Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.