COLLEGE OF FOOD, AGRICULTURAL,
AND ENVIRONMENTAL SCIENCES

The Ohio State Phenology Calendar

Happening in Wooster
448
Redosier Dogwood
Redosier Dogwood
full bloom
459
Scarlet Firethorn
Scarlet Firethorn
first bloom
467
Black Locust
Black Locust
first bloom
The GDD for
4/29/2026 9:44:03 PM
is: 468
470
Ohio Pioneer Thicket Hawthorn
Ohio Pioneer Thicket Hawthorn
full bloom
471
Red Buckeye
Red Buckeye
full bloom
472
Large Crabgrass
Large Crabgrass
25% seedling emergence

Using this

 calendar

767
European Fruit Lecanium Scale
Egg Hatch

   Event's GDD

   Name of what's being affected by event. May be a plant, insect, or chemical. Plants appear in darker gray, insects in medium gray, and chemicals in lighter gray.

   Picture of what's being affected by event if applicable; not all affected will have pictures

   Name of phenological event

    


Denise Ellsworth
1680 Madison Ave. | Wooster, OH 44691
Phone: 330-263-3723 | ellsworth.2@osu.edu


Ashley Kulhanek
4046 Medina Road | Medina, OH 44256
Phone: 330-661-6404 | kulhanek.5@osu.edu


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