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richer lives through history & heritage

Here’s Why we do it 


These apples represent cultivars (i.e. culinary experiences, history, and flavors) currently absent from the commercial apple market.


These trees contain precious genetic diversity that offers resilience to stressors like pests, disease, and climate change, and insight into adaptation.


This project breaks down the notion of science as a solitary, academic endeavor and helps students see how collaborative and community-centered science can be.


This project engages our Colorado community, celebrates local wisdom, and offers an entry point for those interested in academic culture and research.


There are lots of ways to get involved with the project:


make a financial contribution

The easiest and best way to support our efforts is with a donation to the project. Your donation helps us afford the costs of sequencing genetic samples, grafting new trees, and training new scientists. If you would like to become a project sponsor, contact us for details. To make a contribution of any size to the project, simply click the button. We are eternally grateful for your support.


Submit information about an apple or crabapple tree

We would love your help in learning more about the apple trees in Boulder! If you have an apple or crabapple tree in your yard or know of one on public property, please submit the tree here! We are interested in some of the physical tree features as well as any stories you may know about it.

Not sure if it’s an apple tree, use this handy guide to find out


help with apple tree surveys

We need all the help we can get during our annual AppleBlitz, where we survey hundreds of apple trees in the Boulder and surrounding area. The easiest way to stay current on volunteer opportunities is to join our email list, where we send quarterly updates on our events and activities:


Identifying cultivars is the first step to understanding the diversity of apple trees we have in Boulder and will allow us to explore research questions about how differences in the local environment and climate change may affect these historical trees in our community.

discover the history

If you have a story you’d like to share or if you want to put your curiosity about Boulder apple trees to work, volunteer to be a part of the history team! Share stories, conduct oral histories, dive into the archives, support or host a community history event, and more.