Organic Heirloom Purple Top White Globe TURNIP 300+ seeds NON-GMO Firm, crispy roots Smooth white roots with an attractive purple crown. Both roots and tops are edible and provide an excellent source of vitamins and minerals. Best flavor when grown as a spring, fall or winter crop, Sprouts in 5 to 10 days and matures in about 50 days. very easy to grow. Turnips have their best flavor when they mature quickly in cool weather with plenty of water. Plant in full sun in early spring or fall in mild climates. Use thinning from young plants for extra tender greens. For extra mild flavor begin harvesting when golf-ball size.