Family Apocynaceae (a-pos-ih-NAY-see-ee) Genus Catharanthus (kat-uh-RANTH-us) Species roseus (RO-zee-us) Cultivars Many Vibrant Varieties Available
Category Annuals, Tropicals & Tender Perennials Height 6-12 in. Spacing 6-12 in. Sun Exposure Sun to Partial Shade, Afternoon Shade Bloom Color Red, Pink White, Lavender, Magenta Bloom Time Blooms Repeatedly Foliage Smooth-Textured
Hardiness Zone 9a to 20 F Zone 9b to 25 F
Soil pH Requirements 5.6 to 6.0 (acidic) 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline)
Water Requirements Drought tolerant; suitable for xeriscaping in afternoon shade
Pruning Instructions Prune if desired to shape or keep from getting leggy
Propagation Methods From seed; direct sow outdoors in fall From seed; winter sow in vented containers, Cold-frame or unheated greenhouse Sow indoors after last frost or direct sow after last frost Self sows freely; deadhead if you don not want volunteer seedlings next season
Seed collecting Allow pods to dry on plant; break pen to collect seeds
Other Details Attractive to bees, butterflies, and birds Not cold hardy - suitable for containers and hanging baskets - winterize well
Freezing Temps by Year: 2009-2010 Year: Freezing temps 12/09 & 01/10 * moderate winter 2010-2011 Year: Freezing temps 01/11 & 02/11 * moderate winter 2011/2012 Year: Freezing temps 12/11 & 01/12 * mild winter 2012/2013 Year: Freezing temps 12/12 & 01/13 * very mild winter
