Question: We have two old and tall lilac bushes. They do not flower much anymore and do not look healthy. Also, can I trim back rhododendrons, and how far back can I trim? Thank You. You always ...

Rejuvenation pruning is for old or overgrown lilac bushes that have been neglected, says Langelo. Neglected bushes are overgrown with dense stems, little growth at the bottom, and few blooms.

How to prune overgrown lilacs An overgrown lilac bush can seem a daunting task to prune, but don’t worry, these too can be restored with a bit of care and patience.

Q: When and how should lilac bushes be trimmed? I have a few lilacs that are 12 feet tall. I’d like to cut them back a bit because they look out of control. I’d like to achieve the most flowers.

I have two lilac bushes that are 4 years old. Usually, they survive the winters in Northeast Ohio without any problems. However, this past winter was very harsh, and my lilac bushes did not do well.

Dear Master Gardener: I have an old, overgrown lilac that doesn’t bloom very much anymore.Is there a way to rejuvenate it? Answer: Yes, it’s called renewal pruning — a technique used for ...

Drive by farms in the northern tier of the United States and much of rural Canada, and you’ll see groves of lilac bushes next to outhouses. Or, more probably, next to the places where outhouses ...

Rejuvenation pruning is for old or overgrown lilac bushes that have been neglected, says Langelo. Neglected bushes are overgrown with dense stems, little growth at the bottom, and few blooms.

Many plants benefit from some type of pruning, whether it's a conservative reshaping or a harder cut to rejuvenate. One plant that benefits greatly from pruning is the lilac shrub. Over time ...