Home

What is Phenology?

Phenology is a branch of science that studies the timing and impact of seasonal changes in nature. Phenology helps us protect people and nature.


Learn More

close up of a hummingbird

Discover Species

American Basswood Photo
American Basswood Tree
American Beech
American Beech
Black Cherry Tree
Black Cherry Tree
Boxelder
Boxelder
Bur oak tree
Bur oak tree
Hackberry Tree
Hackberry Tree
Eastern Cottonwood
Eastern Cottonwood
Eastern redbud
Eastern redbud
Green Ash
Green Ash Tree
Northern Red Oak
Northern Red Oak
Red-Maple Leaves
Red Maple Leaves
Silver Maple Tree
Silver Maple Tree
Sugar Maple Tree
Sugar Maple Tree
Tuliptree
Tuliptree
White Oak
White Oak


Discover All Species

You Can Help

adult and child examining leaves

In Your Backyard

Help scientists protect people and nature with just 10 minutes of nature observation a week.



group of people exploring indiana phenology trail site

In Your Community

Join community scientists in observing nature at Indiana Phenology Trail sites.



child and teacher holding small potted plants

At Your School

Give scholars hands-on opportunities to contribute to real world science.