Although the newer cultivars are resistant to many of problems they are still susceptible to powdery mildew, white fly and spider mites. Tapien are reported to have some good mildew resistance. They can be over wintered in a bright cool window. Cut the plants back, re-pot and make sure the pests are controlled.
Propagation
cuttings, seeds
Native Site
Species plant native to Brazil and Argentina.
Notes & Reference
#51-Armitage's Manual of Annuals, Biennials, and Half-Hardy Perennials (Arimitage), #76-Annuals for Every Purpose), #109-Annuals and Tender Perennials for North American Gardens (Wayne Winterroud)