Growing Degree Days

Growing degree days(GDD) is a measurement of daily high and low temperatures plugged into a formula that was developed to help study plant maturities and insect development.  I believe it is used mostly by farmers for spraying fields, but I have been keeping track of these numbers to see how bloom times of perennials relate to the GDD in my area. If you live in Ohio there is a web site operated by OARDC, Ohio Agriculture Research and Development Council. You can punch in your zip code and it will show you a list of events and where on the GDD scale you are currently at.     “”
Current GDD for my area is 38


One thought on “Growing Degree Days

  1. Marty,

    Sis forwarded your blog address. Keeping a journal seems a good idea, at least in theory. I always get excited about spring and gardening, but then I end up just throwing some tomatoes in the ground.

    Stephen just got home for spring break. We should get together sometime soon.



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