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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comWhen do you cut back aster and mums in order to keep them shorter?
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[1] https://www.gardeningknowhow.com/ornamental/flowers/chrysanthemum/pruning-mums.htm: https://www.gardeningknowhow.com/ornamental/flowers/chrysanthemum/pruning-mums.htm
[2] https://www.gardeningknowhow.com/ornamental/flowers/asters/pruning-aster-plants.htm: https://www.gardeningknowhow.com/ornamental/flowers/asters/pruning-aster-plants.htm
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1 Comment To "When To Cut Back Asters And Mums"
#1 Comment By BushDoctor On 05/09/2022 @ 10:15 am
Their heights are set by genetics. Trimming them keeps them maintained, bushier, more compact, and healthier, but they will grow back to whatever height they were bred to be without root pruning maintenance. This would not be feasible in this situation.
With Chrysanthemums, the process isn't as straightforward. There are important timings that need to be taken into consideration:
https://www.gardeningknowhow.com/ornamental/flowers/chrysanthemum/pruning-mums.htm [1]
Cutting back Aster is much more straightforward. They will tolerate it at just about any time. They will grow back to the original height if left alone, but constant pruning by 1/3 will maintain a set height.
https://www.gardeningknowhow.com/ornamental/flowers/asters/pruning-aster-plants.htm [2]
However, pruning for maintenance after blooming is always a good idea.