Jeff Layman wrote:
There is little point in spraying glyphosate in cold weather. Wait until
the temp reaches at least 15° for a few days. It'll be far more effective.

Really? If so, thanks for warning! I sprayed a parking area, filling
up with grass and weeds, with sodium chlorate about a month ago (pretty
cold at that time) and it has worked well. Is Glyphosate different?

Eddy.