Trees damaged by late season frosts can see negative impacts for years
Many trees in the Northern Hemisphere are leafing out earlier as the climate warms. But with leaves emerging earlier in the season, there is an increased risk of damage from a late spring frost. Researchers used experimental and observational data – including thousands of records from N... Read more
Phenology Week! March 17-21, 2025
March 17-21, 2025 is Phenology Week - a virtual celebration of the seasonal cycles of plants and animals. The purpose of Phenology Week is to celebrate YOU, our Nature's Notebook observers, Local Phenology Programs, and partners! Read more
The Phenophase Primer is here!
The Phenophase Primer for Flowering Plants: Understanding Plant Phenophases for Nature's Notebook, is finally here! Read more
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