- You will get 1000+ Seeds of Sweet Marjoram Herb Seeds. - Seller Notes “origanum majorana. U.S. Grown seed. Organic. Tested 1/23-Germination 92%. Packed 1/23.”. - Planting Time: 8 Weeks. - Soil Type: Clay, Loam, Peat, Sand. - Life Cycle: Annual / tender perennial. - USDA Hardiness Zone (°F): 11 (40 to 50 °F). - Soil pH: Neutral. - Watering: Medium. - Sunlight: Full Sun. - Sweet Marjoram is a rich, sweet tasting herb, that is often used as an oregano substitute. It has tender leaves and stems and grows well just about anywhere. A native of the Mediterranean, it is a low-growing plant that makes a nice ground cover. Marjoram can be grown indoors in a south facing window. Outside, marjoram does not like cold temps, a tender perennial in the warm states and a annual in all others. Easy to grow from seed.1000+seeds per order. - Origanum majorana. - Annual / Tender Perennial. - Full sun / Southern window. - Soil temp 70F+. - Potted or Garden/Groundcover. - SOW-10/20 seeds per, press into soil,12"apart. Keep moist. - Germination-14-21 Days. - Light water. - Harvest sprigs or leaves when at least 6" tall.