Can you trim a lilac bush every year?

My mother in law told me that if you trim a lilac bush it wont bloom for seven years. I have some lilac bushes at my new house that are huge. They really need to be trimmed but, I%26#039;m afraid to do so now. Anybody know anything about this?

Can you trim a lilac bush every year?
I have 2 dozen lilac bushes.... I prune them every year.





But after they%26#039;re done flowering, I shape and prune them. By pruning, they will become %26quot;bushier%26quot;, or fuller. I always keep them at a height that I can reach the blooms at the top without too much help. If yours are already way past that height, don%26#039;t try to trim them down more than a third of their height this year. If you still want them shorter, wait til next year and give them another third cut, and so on until they%26#039;re at the height you want them to be. It could take a few years to get them where you want them. Pruning too heavily in one year could kill the plant.





Never prune them in the spring, you%26#039;ll cut off the blooms you would of had that year. Even a late fall pruning could reduce your blooms for the next spring. You have to do it when they have enough time after to send out new growth before going dormant for the winter. I always trim mine right after blooming and have more flowers than I could ever use the next spring. Keep in mind, that when you pick them to bring in the house, you%26#039;re pruning them. So, pick away and enjoy the fragrance!
Reply:yes you can


it will still bloom every year


trust me it will bloom


trim it up


i trimmed mine up in mid summer without any problems
Reply:I wouldn%26#039;t but may be thin them out
Reply:yes, right after it%26#039;s blooms have faded is the best time to do this!
Reply:trim it -this keeps it tidy and prevents it from being overgrown. it will also encourage more flowers. dead head during the flowering season and cut the plant down at the end of the season. mulch well and fertilize.



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