Lavewa Spinach Seeds - 3 grams - Botanical Interests by Hirts: Seed; Vegetable. $2.39. Cool Season. 28-45 Days. Easy to Grown. Tender and luscious. 3 grams of seed. 28-45 days. Rich green color on productive plants, Lavewa is an open-pollinated variety that competes with hybrids for excellent flavor, heat tolerance and mildew resistance. Spinach is high in vitamins, minerals and antioxidants, and low in calories. This packet plants two 10-foot rows.