Cory Lechner wrote:

We have a great deal of perennials throughout our property (Regina,
Saskatchewan).

1) Should we cut off the season's growth to the ground before winter comes?

Depends on the perennial. A good rule of thumb is to clear dead
material after the frost and before the thaw to prevent fungal
infestations.

2) Does the answer to #1 vary with species of perennial?

Yes; but not so much as to be a real hu-hu; if you've got
something that needs a tad more winter protection, some mulch
works just as well as leaving the dead last-season growth. My
garden sprouts these little wire enclosures filled with shredded
paper every December for just that reason. Makes it really
easy to do clearance -- take it all -- and removal in the spring
is also a snap.

3) Does leaving the top on promote fungus growth?

Yes, often.

Chris Owens


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