Monthly Archives: June 2025

When to mow sweet clover to control it

By Bill Kleiman Yellow and white sweet clover (Melilotus officinalis and M alba) are on the invasive weed list of many natural areas managers. The plants are biennial, so on year two they bolt, bloom, and produce a lot of … Continue reading

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Testing shows confounding results. A late spring application of clethodim on mature Reed Canary Grass did not work, but then a second round of clethodim did work.

By Bill Kleiman This is an update on an earlier post. It is good to do simple monitoring or testing to see if a weed treatment you are using works. I will describe the simple way I tested a herbicide … Continue reading

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