Hardy perennial herbs grown in the beds or borders.
Plant in autumn or spring in a light, rich, ordinary soil in a sunny spot. Mulch the surface with decayed manure in April and give plenty of water in dry weather. Cut down decayed stems in October. Increase by division of plants in spring. Seeds may be sown in autumn in a sandy soil, and transplanted the following May.
The best varieties for the amateurs garden are:
L. ccllilepsis, July. 3 ft.
L. pyenostachys, September. 4 ft.
L. spicata, July. 1 ½ ft.
All these varieties bear mauve-purple flowers in shaggy spikes.