About This Fast Start Sowing: Direct sow these heirloom seeds non gmo 1 week before last frost or start indoors 9 weeks; plant 1/4 inch deep, 2 ft apart. Sprouts in 2–3 weeks at 60–85°F; Hollyhock seeds for planting outdoors & indoors. Impressive Height & Color: Tall spikes reach up to 8 ft with single blooms in pink, red, and cream. Full sun and a trellis help. Hollyhocks flower seeds brighten any flower garden or meadow edge. Pollinator Magnet: Hollyhock flower seeds attract hummingbirds and butterflies; blooms suit cut flower seeds projects and mass plantings. Rabbit resistant spikes add drama for summer color. Classic Biennial Rhythm: holly hocks grow foliage year one, blooms year two. Start indoors 9 weeks before last frost; transplant early to protect taproots. These seeds for planting flowers are perfect addition to any spring mix; Self-seeds. Low-Maintenance Care: Rich, moist soil; regular water when young, then drought tolerant once established. Water at the base to reduce rust; stake tall hollyhock plants. Hummingbird flower seeds. Overview Brand : SVI Color : Multi Expected Blooming Period : Summer to Fall Sunlight Exposure : Full Sun Unit Count : 100.0 Count Expected Planting Period : Spring to Summer USDA Hardiness Zone : 3-8 Expected Plant Height : 8 Feet Soil Type : Loam Soil Moisture Needs : Regular Watering