Here is your Growing Degree Day (GDD) summary ending February 28, 2023. This summary is a year to date summary and includes the months of January and February. Stay tuned for these year-to-date summaries each month in 2023.
GDD Chart, February 28, 2023
|
Ohio City (County) |
Zip Code |
GDD Unit Accumulation |
|
Bryan (Williams) |
43506 |
28 |
|
Toledo (Lucas) |
43615 |
30 |
|
Sandusky (Erie) |
44870 |
33 |
|
Elyria (Lorain) |
44035 |
36 |
|
Burton (Geauga) |
44021 |
34 |
|
Jefferson (Ashtabula) |
44047 |
31 |
|
Van Wert (Van Wert) |
45891 |
30 |
|
Findlay (Hancock) |
45840 |
31 |
|
Medina (Medina) |
44256 |
42 |
|
Mt. Gilead (Morrow) |
43338 |
46 |
|
Mt. Vernon (Knox) |
43050 |
51 |
|
Steubenville (Jefferson) |
43952 |
63 |
|
Dayton (Montgomery) |
45417 |
69 |
|
Springfield (Clark) |
45505 |
68 |
|
Columbus (Franklin) |
43210 |
69 |
|
Lancaster (Fairfield) |
43130 |
83 |
|
Marietta (Washington) |
45750 |
94 |
|
Cincinnati (Hamilton) |
45223 |
105 |
|
Hillsboro (Highland) |
45133 |
113 |
|
Ironton (Lawrence) |
45638 |
115 |
GGD Species List (Common Name, Scientific Name, Phenological Event, GDD)
The list includes both plants and insects. Insects are bolded within the list.
Silver Maple, Acer saccharinum, first bloom, 34; Corneliancherry Dogwood, Cornus mas, first bloom, 40; Silver Maple, Acer saccharinum, full floom, 42; Red Maple, Acer rubrum, first bloom, 44; Speckled Alder, Alnus incaca spp.,rugosa, first bloom, 52; Northern Lights Forsythia, Forsythia x intermedia, first bloom, 58; Japanese Pieris, Pieris japonica, first bloom, 60; Red Maple, Acer rubrum, full bloom, 75; Star Magnolia, Magnolia stella, first bloom, 83; White Pine Weevil, Pissodes strobi, adult emergence, 84; Border Forsythia, Forsythia x intermedia, first bloom, 86; Eastern Tent Caterpillar, Malacosoma americanum, egg hatch, 92; Manchu Cherry, Prunus tomentosa, first bloom, 93; Northern Lights Forsythia, Forsythia x intermedia, full bloom, 94; Speckled Alder, Alnus incana, full bloom, 97; Corneliancherry Dogwood, Cornus mas, full bloom, 98; Norway Maple, Acer plantanoides, first bloom, 116; Border Forsythia, Forsythia x intermedia, full bloom, 116; Chanticleer Callery Pear, Pyrus calleryana, first bloom, 123; Sargent Cherry, Prunus sargentii, first bloom, 127, Larch Casebearer, Coleophora laricella, larval feeding begins, 128; Japanese Pieris, Pieris japonica, full bloom, 129; Saucer magnolia, Magnolia x soulangeana, first bloom, 133.....
Now that you have read this summary, what is your GDD? Check out this link https://weather.cfaes.osu.edu/gdd/, type in your Ohio zip code, and see where your location is at in this biological calendar. You can also hit the summary tab and it will list the GDD accumilations for that zipcode for previous years as well - it is nice to see the history, and the average of those years.
