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.

Spotted knapweed

Spotted knapweed

Centaurea stoebe


Blooms until the freeze,
spotted knapweed is hardy,
also invasive.

Learn more about the Plant of the Week...

Recent Reports

Deciduous Trees and Shrubs Leaves Dropping (Late) on Oct 30

Red maple in Easthampton, MA
Submitted by amber on Oct 30

Deciduous Trees and Shrubs Leaves Changing Color (Late) on Oct 30

Red maple in Easthampton, MA
Submitted by amber on Oct 30

Deciduous Trees and Shrubs Leaves Unfolding (Late) on Oct 30

Red maple in Easthampton, MA
Submitted by amber on Oct 30

Deciduous Trees and Shrubs Leaves Dropping (Late) on Oct 30

Quaking aspen in Cicero, NY
Submitted by Adrienne on Oct 30

Evergreen Trees and Shrubs Fruit (Middle) on Oct 30

Naio in Honolulu, HI
Submitted by Hawaii Nature Center on Oct 30

Evergreen Trees and Shrubs Flowers (Middle) on Oct 30

Naio in Honolulu, HI
Submitted by Hawaii Nature Center on Oct 30

Evergreen Trees and Shrubs Fruit (Late) on Oct 30

'Ulei in Honolulu, HI
Submitted by Hawaii Nature Center on Oct 30

Deciduous Trees and Shrubs Leaves Dropping (Early) on Oct 30

Black oak in Omaha, NE
Submitted by Robert on Oct 30

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