Parsley seeds grune perlelittle green clouds packed full of delicious flavourgrune perle is one of the best herb varieties to overwinter as it is slow to run to seed. This parsley herb can be harvested all summer and winter, with excess crops frozen for later use. This herb plant can be grown in the garden and is especially suited to containers. Height 31 40cm 12 16 spread 21 30cm 8 12.harvesting from may till december, grune perle has a very good flavour that is perfect for cooking or to be used to garnish. The distinct extra curled luscious green leaf is the ideal finishing touch to any dish. Start your home grown herb garden today, with this delightful variety.