AGASTACHE Spires of flowers. Requires well-drained soil in full sun.
Agastache ‘Black Adder’Smoky violet flowers on long spires, July to October. Aromatic fresh green leaves. Height 90 cm. Spread 40 cm.
Agastache ‘Blue Fortune’ Blue-purple flowers from July to September. Green leaves. Height 70cm. Spread 30cm.
Agastache rugosa
Agastache rugosa f. albiflora ‘Liquorice White’ Spikes of white flowers from July to September. Leaves fragrant when crushed. Height 60 cm. Spread 30 cm.
Agastache rugosa ‘Liquorice Blue’ Spikes of blue flowers from July to September. Leaves fragrant when crushed. Height 60cm. Spread 30cm.