Tag Archives: Ornamental IPM

July 28 – Nursery pest update

Before we talk pests, let’s talk stress. This growing season has delivered plenty of it, from dramatic temperature swings and heat waves to severe summer storms and the lingering effects of last year’s dry summer. While these blog posts tend … Continue reading →

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Nursery Pest Update: May 22, 2026

Welcome to the first nursery pest update for 2026! Most regions of Southern Ontario are between the 50-100 GDD (base 10°C) range with full bloom of Syringa vulgaris. In more southern regions such as Harrow and the Niagara peninsula, GDD … Continue reading →

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Nursery IPM Update: June 3, 2025

Due to cooler temperatures last week, most regions of Southern Ontario are still between the 100-150 GDD (base 10°C) range with full bloom of Aesculus hippocastanum and spireae x vanhouttei. In more southern regions such as Harrow, GDD is closer … Continue reading →

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Nursery IPM Update: May 21, 2025

Welcome to the first nursery pest update for 2025! Most regions of Southern Ontario are between the 50-100 GDD (base 10°C) range with full bloom of Syringa vulgaris. In more southern regions such as Harrow and the Niagara peninsula, GDD … Continue reading →

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