Herb Seeds - Hyssop Blue Create a stunning edible display that pollinators will love! Hyssop Blue is a hardy, evergreen perennial herb with aromatic flowers and foliage. This herb plant is the perfect addition to containers or pots, creating a stunning display of blue and purple. A great herb for attracting pollinators to your garden, bees love this variety. The Hyssop Blue is a member of the mint family, but can be used in a similar way to rosemary in soups and casseroles or to garnish. Harvested leaves can easily be frozen for later use. Harvest July-October. Height 51-60cm (20-24"); spread 81-90cm (31-36"). Start your home-grown herb garden today with this unique and exciting variety.