Herbaceous Perennial
A tall perennial up to 2m high, with square stems holding pairs of slightly glossy, strongly aromatic, lance-shaped to triangular green leaves with coarsely serrated edges. Short dense spikes of small pale pink, violet or white flowers are produced from mid to late summer
Position
Full sun, Partial shade
Soil Types
Chalk, Loam, Sand
Max Height
1.5-2.5 metres
Max Spread
0.5-1 metres