When is the best time to divide asters?

FAQ
Question: 

When is the best time to divide asters?

Answer: 

Early spring is the best time to divide asters.  Dig up plants in early spring just as new growth begins to appear.  Divide each plant clump into sections with a sharp knife.  Each division should contain several shoots and a portion of the root system.  Replant the divisions immediately.  Keep the newly divided asters well watered through spring and summer.  

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