Glyophosate (round-up) is simple, fast, and effective.

"Amy Fong" wrote in message
news
I have a rhubarb problem. I had dug them out (or at least I thought I did)
and planted cedars in the same location. The rhubarbs came back and are
now like 2 feet tall.

What's a good and effective way of getting rid of the rhubarbs without
risking the cedars?

Thanks!