Season: Perennial USDA Zones: 5 - 7 Height: 24 inches Bloom Season: Spring and summer Bloom Color: Yellow Environment: Full sun to partial shade Soil Type: Moist, well-drained, pH 6.1 - 7.3 Temperature: 68F Average Germ Time: 21 - 28 days Light Required: Yes Depth: Seeds must be covered thinly, no more than the thickness of the seed Moisture: Keep seed moist until germination Plant Spacing: 18 inches Buy Seeds Online Organic Seeds Heirloom Seeds Non-GMO Seeds Vegetable Seeds Flower Seeds Herb Seeds Fruit Seeds Garden Seeds Seed Starter Kits Rare Seeds Bulk Seeds Indoor Gardening Seeds Seed Catalog Seed Packs for Sale Sustainable Seeds Greenhouse Seeds Seed Suppliers Planting Seeds Home Garden Seeds