Grows to 30 cm. Top German bunching variety. Produces heavy, densely filled, dark green, double curled leaves on strong stalks. Green Pearl’s slow bolting quality makes it ideal for forcing and summer production. Also has excellent cold tolerance for indoor overwinter production. Green Pearl produces heavy, densely filled, dark green, double curled leaves on strong stalks. It has a milder flavor than its flat-leaved cousins. This hardy biennial herb makes an attractive garnish and remains one of the most popular herbs for culinary use.