Growing Degree Day (GDD) Summary, March 2022

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Here is your Growing Degree Day (GDD) summary ending March 31, 2022. While the calendar says it is spring, our actual outdoor experiences made have said otherwise. We have enjoyed some spring-like temperatures, but on the flip slide, snow flakes have been flying in the not so distant past. Hopefully now that it is officially April things will change - who are we kidding, it is Ohio.

 

Stay tuned for these year-to-date summaries each month in 2022. 

 

GDD Chart, March 31, 2022

 

Ohio City (County)

Zip Code   

GDD Unit Accumulation 

Bryan (Williams)

43506

79

Toledo (Lucas)

43615

77

Sandusky (Erie)

44870

80

Elyria (Lorain)

44035

83

Barton (Geauga)

44021

75

Jefferson (Ashtabula)

44047

68

Van Wert (Van Wert)

45891

82

Findlay (Hancock)

45840

81

Medina (Medina)

44256

86

Mt. Gilead (Morrow)

43338

93

Mt. Vernon (Knox)

43050

102

Steubenville (Jefferson)

43952

114

Dayton (Montgomery)

45417

127

Springfield (Clark)

45505

123

Columbus (Franklin)

43210

125

Lancaster (Fairfield)

43130 

143

Marietta (Washington)

45750

155

Cincinnati (Hamilton)

45223

163

Hillsboro (Highland) 

45133

172

Ironton (Lawrence)

45638

173

 

GGD Species List (Common Name, Scientific Name, Phenological Event, GDD)

The list includes both plants and insects. Insects are bolded within the list. 

 

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 Case Borer, Coleophora laricella, larval feeding begins, 128; Japanese Pieris, Pieris japonica, full bloom, 129; Saucer magnolia, Magnolia soulangiana, first bloom, 133; Exotic Ambrosia Beetle, Xylosandrus germanus, first adult emergence, Common Floweringquince, Chaenomeles speciosa, first bloom, 137; Bradford Callery Pear, Pyrus calleryana, first bloom 142; European Pine Sawfly, Neodiprion sertifer, egg hatch, 144; Weeping Higan Cherry, Prunus subhirtella, first bloom, 145; PJM Rhododendron, Rhododendron PJM, first bloom, 147; Norwar Maple, Acer platanoides, full bloom, 149; Chanticleer Callery Pear, Pyrus calleryana, full bloom, 149; Inkberry Leafminer, Liriomyza sativae, adult emergence, 150; Star Magnolia, Magnolia stella, full bloom 151; Sargent Cherry, Prunus sargentii, full bloom, 151; Allegheny Serviceberry, Amelanchier laevisfirst bloom, 153; Spring Snow Crabapple, Malus spring snow, first bloom, 155; Manchu Cherry, Prunus tomentosa, full bloom, 155; Smooth Crabgrass, first seedling emergence, 155; Apple Serviceberry, Amelanchier grandiflora, first bloom, 159; Spruce Spider Mite, Oligonychus ununguis, egg hatch, 162; Bradford Callery Pear, Pyrus calleryana, full bloom, 164; Allegheny Serviceberry, Amelanchier laevisfull bloom, 169; Saucer magnolia, Magnolia soulangiana, full bloom, 174; PJM Rhododendron, Rhododendron PJM, full bloom, 178; Weeping Higan Cherry, Prunus subhirtella, full bloom, 179; Boxwood Psyllid, Psylla negudinis, egg hatch, 179...

 

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.