I Want To Move A Butterfly Bush

Question

I want to move a butterfly bush because it’s encroaching on other plants.

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Answer 1

The best time may be after the plants have all gone dormant and the leaves have dried out as it is possible that the roots of all the plants have comingled/intertwined. Be careful when extracting the bush so as not to damage the other plants' roots. Alternatively, you can transplant in the spring before there is sign of leaf out or new growth from the base of all these plants.

https://www.gardeningknowhow.com/ornamental/shrubs/butterfly-bush/tips-for-transplanting-a-butterfly-bush.htm