Cress seeds - Curled Ref: SUT185602 Features - A 'wacky' character to encourage children's interest in gardening, , I'm Curly. Sow seed all year round. Choose a container with small holes in the bottom. Fill with compost or a few layers of tissue (cotton wool or kitchen towel) and water lightly. Scatter the cress seeds over the surface, but not too thickly. Cover the tray with paper and keep on a window sill to grow. When the seedlings are 25mm (1") high, remove paper. Make sure curly cress does not dry out. Price: £0.99 Quantity: