division

This hardy herbaceous plant blooms in July. It will grow in any soil, and can be increased by division of the root. Height, 1 ft.

A hardy perennial which will grow in any soil, and bears division. It flowers in July. Height, 2 ft.

Any soil suits this odoriferous bush, and it is readily increased by cuttings or by division.

Hardy herbaceous plants flowering in April. Any soil is suitable for them, and they may be increased by division. Height, 6 in.

A hardy perennial, flowering in July. Any soil suits it. It is increased by division of the root. Height, 1 ft.

A very fragrant hardy perennial, flowering in January and February. It will grow in any good garden soil and bears division. Height, 1 ft.