- You will get 301+ Seeds of Siam Queen Basil Herb Seeds. - Seller Notes: “Ocimum thyrsiflora. U.S. Grown Seed. Organic. Tested 1/23-Germination 94%. Packed 1/23.”. - Planting Time: 8 Weeks. - Soil Type: Clay, Loam, Peat, Sand. - Life Cycle: Annual. - USDA Hardiness Zone (°F): 11 (40 to 50 °F). - Soil pH: Neutral. - Watering: Light. - Sunlight: Full Sun. - Siam Queen Basil. Siam Queen basil is a popular herb in Southeast Asian cuisine and is a flavorful and colorful garnish. It holds its flavor and texture when cooked better than most basil varieties and adds a kick to salads when eaten fresh. The dark purple flowers and sweet, Anise-like scent make it a beautiful addition to the flower garden and will attract bees and butterflies. Also, a great container variety, suitable for patio containers, pots and window boxes. Plants reach 14-18" inches tall with dark green to red laves. The flowers are deep burgundy in color and very fragrant. Categorized as an annual flowering herb, meaning the plants will establish themselves quickly from seeds. The plants will produce stems, leaves and flowers, all within a single growing season, and can be harvested in a matter of 65 days or less if you just cut off outside leaves. If you want to collect fresh seeds, Siam Basil seeds are easy to separate from dried flowers heads. New plants can be established the following growing season from your collected seed. Attracts butterflies, bees and hummingbirds to the garden. Also, can be grown in a sunny window. 300+ Seeds per order. Thank You!. - Ocimum thyrsiflora. - Annual herb. - Spring. Soil temp 70F+. - Full sun. - SOW 3 or 4 seeds per plant,1/8"deep.About 16"apart.Keep moist. - Germination 7-14 Days. - Medium water. Light organic fertilizer if needed. - About 65 Days to maturity.