TreeKeepers Core 1, 2, and Introduction to Planting classes occur in-person ​twice a year in March and September.

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Classes are hosted at different recreation centers across Baltimore City each season to engage a variety of residents.

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Fall 2025 classes are confirmed at the Carroll Park Recreation Center as follows:

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• TK Core1: Trees and Baltimore 

Wednesday, September 3rd, 6-8:30pm

• TK Core 2: The Science of Trees

Wednesday, September 10th, 6-8:30pm

• TK Introduction to Planting

Wednesday, September 17th, 6-8:30pm

• TK Planting Field Session

Saturday, September 20th, 10am-12pm or Sunday, September 28th1-3pm (Locations TBD. Only attend one field session)

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Registration opens August 1st on this page!

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The TreeKeepers Introduction to Pruning class occurs each winter (Locations TBD, only attend one session.)

• Saturday, December 6th, 10am-1:30pm

• Saturday, January 10th, 10am-1:30pm

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Registration opens November 1st on this page!

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Keep an eye out for additional "TreeKeepers Plus" classes throughout the year that take a deeper dive into tree topics!

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