Herbaceous Perennial
Position
Full sun
Soil Types
Chalk, Loam, Sand
Max Height
0.5-1 metres
Max Spread
0.5-1 metres
0.5-1 metres
0.5-1 metres
Grow in light, moderately fertile, humus-rich, moist but well-drained soil. Best in full sun but can tolerate light, partial shade
Propagate by seed sown at 15-18°C in spring, by division in spring or by semi-ripe cuttings in summer
Cut back flower spikes as they fade to prolong flowering
May be susceptible to honey fungus (rarely), Powdery mildews, Verticillium wilt and foot and root rots
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