Plant Phenology

Growing Degree Days (GDD) and Plant Phenology, January 2024 Summary

 

The Plant Phenology and Growing Degree Day (GDD) posts and impacts have been a Buckeye Yard and Garden onLine (BYGL) staple for years. GDD will continue to be an important part of the blog written to assist green industry professionals, Extension professionals, Extension volunteers, and people with a passion for plants and pests too.

 

While there isn't usually a lot to report as part of the January summary, members of the OSU Buckeye Environmental Horticulture Team (BEHT) have been discussing the...

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Amy Stone
Erik Draper

Growing Degree Day (GDD) Summary, Janaury 2022

Years ago, a Growing Degree Day (GDD) article was a reoccuring staple in what was the weekly Buckeye Yard and Garden Line (BYGL) e-newsletter. While the newsletter evolved into a real time, blog-like, format, GDD information still had a presence as an occasional summary, and of course was included in many of the insect alerts. In 2022, you will be seeing monthly summaries, and we will continue to tie in GDDs into other alerts as well.
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Amy Stone

What is Your Growing Degree Day (GDD) Number?

So what is your GDD - or growing degree day? Before you reach for a piece a paper, a pencil and a calculator to figure out what your number is, check out the OSU's Growing Degree Day website. This website does the 'math' or the calculations to determine your GDD for you. All you need is an Ohio zipcode. The website uses weather stations across Ohio to determine what the accumulations, and provides visitors their GDD and where they are in a biological calendar of certain plant blooms and insect activity. 
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Amy Stone

Word of the Week - Growing Degree Days (GDD)

Growing Degree Days (GDD) are a measurement of the growth and development of plants and insects during the growing season. Development does not occur at this time unless the temperature is above a minimum threshold value, or what is also referred to as the base temperature. This base temperature can vary for different organisms and is determined through research and experimentation.
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Amy Stone

Growing Degree Days, Part 3

Last month, a BYGL Alert was written as an intro or refresher to growing degree days followed by a second alert, Growing Degree Days (GDD) – Part 2, (March 16, 2020), https://bygl.osu.edu/index.php/node/1455 . And ealier this week, Joe Boggs authored a BYGL Alert, Observations on Phenology (April 13, 2020), https://bygl.osu.edu/node/1504 highlighting the sequence of plant bloom, insect activity and optimal timing for pest management. 
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Amy Stone