Family Lamiaceae (lay-mee-AY-see-ee) Genus Phlomis (FLOW-miss) Species russeliana (russ-el-ee-AH-nuh) Synonym phlomis viscosa
Category Perennials Height 24"-36" Spacing 24"-36" Sun Exposure Full Sun Bloom Color Yellow Bloom Time Late Spring-Mid Summer Foliage Velvet/Fuzzy Textured
Hardiness Zone 6a to -10 F Zone 6b to -5 F Zone 7a to 0 F Zone 7b to 5 F
Zone 8a to 10 F Zone 8b to 15 F Zone 9a to 20 F Zone 9b to 25 F
Soil pH Requirements 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
Pruning Instructions Remove spent bloom stalks
Propagation Methods By dividing the root-ball From seed; stratify if sowing indoors
Seed Collecting Allow seed-heads to dry on plants; remove and collect seeds
Other Details Attractive to bees, butterflies, and birds
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