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OSU Extension

College of Food, Agricultural, and Environmental Sciences


Nature's Cues a.k.a. Phenology

Saturday, March 13, 2021 - 10:00am to 11:00am

Nature's Cues video

Phenology handout     March Gardening Tips and Books handout

Nature’s Cues a.k.a. Phenology – Would you like an accurate way to predict when a particular insect is apt to invade your yard or know when your lilacs will bloom? Learn what growing degree-days (GDDs) are and, while not perfect, why they are a more reliable method of predicting plant and insect development than calendar days.