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Cutting back perennials in fall

by mary
(maine)

Should I cut back my veronicas in the fall?

Doug says that cutting back and cleaning up all perennial plants is a good idea. You want to leave the garden in the fall as you want to find it in the spring.

But having said that, there are times when you can't get to those chores (funny how life gets in the way sometimes). The plants will be fine even if you don't cut them back. They'll be all rotted and flopped down on the ground in the spring (you can clean them up then or mulch over top of them) but the plant should be fine either way.

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Cutting back perennials in fall

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ahh, well
by: Doug

Sage is Salvia and my comments stand. I've been cutting it back for years. No problem with it surviving.

Cutting
by: Anonymous

Sage is another that cannot be safely cut back. It most often will not grow back from the ground and you will loose the plant.

Perennial Myths
by: Doug

I've left the comment below because imho it's one of those big myths in the garden world.

I've been cutting back hollow stemmed perennials for years - leaving a "clean" garden and haven't seen a problem. This bit of "lore" is often cited for mints and other plants as well. I wish it would kill mint sometimes but alas...

My garden trials haven't shown a bit of dieback because of pruning in the fall.


some perennials should not be cut back
by: Anonymous

hollow stemmed perennials such as salvia should not be cut back in the fall. Water entering the hollow stem and freezing over winter will kill such plants

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