People watching plants

Every plant tells a story. Whether you have an afternoon or a whole season, you can make an important contribution to a better understanding of changing climates. We are a national network of people monitoring plants as the seasons change.

Contributing to research

Project BudBurst data is collected in a consistent manner across the country so that scientists can learn more about the responsiveness of plant species to changes in climate locally, regionally, and nationally.

Join Project BudBurst!

If you would like to make a meaningful contribution to understanding environmental change, join our rapidly growing community today! We are looking forward to learning more about the stories your plants can tell.

Western ragweed

Western ragweed

Ambrosia psilostachya


Pollen filled flowers
of male western ragweed plants
triggers allergies.

Learn more about the Plant of the Week...

Recent Reports

Wildflowers and Herbs Flowers (Late) on Dec 17

Common yarrow in Descanso, CA
Submitted by Cuyamaca on Dec 17

Deciduous Trees and Shrubs Fruit (Late) on Dec 17

California rose in Descanso, CA
Submitted by Cuyamaca on Dec 17

Deciduous Trees and Shrubs Leaves Dropping (Late) on Dec 17

California rose in Descanso, CA
Submitted by Cuyamaca on Dec 17

Deciduous Trees and Shrubs Leaves Changing Color (Late) on Dec 17

California rose in Descanso, CA
Submitted by Cuyamaca on Dec 17

Deciduous Trees and Shrubs Leaves Unfolding (Early) on Dec 17

California rose in Descanso, CA
Submitted by Cuyamaca on Dec 17

Deciduous Trees and Shrubs Leaves Dropping (Late) on Dec 17

Black oak in Descanso, CA
Submitted by Cuyamaca on Dec 17

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