Season: Perennial USDA Zones: 2 - 7 Height: 8 inches Bloom Season: Late spring to early fall Bloom Color: Violet blue Environment: Full sun to partial shade Soil Type: Well-drained, alkaline soils preferred, pH 6.0 - 7.2 Temperature: 68F Average Germ Time: 14 - 21 days Light Required: Yes Depth: Do not cover the seed but tightly press into the earth Moisture: Keep seed in constant moisture until germination Plant Spacing: 18 inches