Agastache are herbaceous perennials which are commonly known as Giant Hyssop. They are perfect for adding colour and vertical dimension to any landscape.
The low foliage is topped with flowerspikes of up to 120 cm high. Big, white open bell shaped flowers last a long time. Suitable for back of the herbaceous border Height 90 cm. Spread 30 cm.
Providing a garden perfume these plants are very suitable if you want a cottage style border. Flowering lilac-purple in mid summer. Height 100 cm. Spread 50 cm.
