Blog

Mike Cowbrough

Weed Management Specialist - Field Crops

Cesar Cappa

Weed Management Specialist - Horticulture Crops

July 21, 2026

2026 Mid-Season Weed Survey Results

A summary of weed species that have been sent in for identification and herbicide resistance from May 1st to July 21, 2026).

Weed Management

palmer amaranth in a soybean field during early July 2026.

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August 6, 2026

Allium leafminer is confirmed in Ontario

Allium leafminer (Phytomyza gymnostoma) has been confirmed in Ontario as of November 21, 2025. Allium leafminer (ALM), is an invasive pest originally from Europe and has spread to several US states.

Pest Management

Allium leafminer pupae and larvae on a leek

July 21, 2026

2026 Mid-Season Weed Survey Results

A summary of weed species that have been sent in for identification and herbicide resistance from May 1st to July 21, 2026).

Weed Management

January 19, 2026

Resistant weed testing results - 2025 season

This article summarizes 2025 herbicide‑resistant weed testing results and includes distribution maps for all resistant weed species in Ontario.

Weed Management

waterhemp growing above a soybean canopy in August

December 15, 2025

Join us for a feedback session at the Ontario Fruit and Vegetable Convention (OFVC)

Learn more about the Crop Hub feedback session at OFVC 2026.

Blog

November 17, 2025

Updates to your digital toolbox: CropIPM

Learn how to use CropIPM.

April 14, 2025

Crop Hub: Updates for the 2025 Growing Season

Learn more about what's new with Crop Hub for 2025!

Crop Hub Features