The small plant and the more than 50 generating units would be divided into several bundles.
The plant is divided into six pieces that are planted out in the bamboo area.
The plants may be divided in autumn after the leaves have withered.
The plants should be divided every three to four years.
When any plant is divided, it pays to inspect the results.
The best way to know what plants should be divided is to take inventory of the grounds.
So fertilizer can sometimes help, and plants older than 15 years should be divided.
The plant can be divided after flowering, however it seldom needs this.
Older plants can be dug out and divided to start new plants.
As with all asters, the plants should be dug up and divided every three to four years.