Pruning Forsythias

Question

If you have a mature forsythia that is pretty tall (around 8-10 feet) and you need to aggressively prune it, is there a preferred time of year to do that, or does it really matter?

Answer 1

Late fall or early spring is recommended.

https://www.gardeningknowhow.com/ornamental/shrubs/forsythia/forsythia-rejuvenation.htm