Tree Mob: Black Walnut

This is a hybrid program, with on-site attendance limited to members only and online attendance open to the general public. Click here to join as a member.

Watch your heads, the walnuts are dropping! Join Manager of Horticulture Rachel Brinkman for a Tree Mob on Black Walnut and other walnut species. Learn about the difference between the walnuts from the grocery store and the walnut trees you see in your neighborhood, the strange chemicals that walnut trees seep out of their roots, how to identify different types of walnuts, and more.

Tree Mobs are short, spontaneous learning opportunities in the landscape based on seasonal phenomena. Click here to get notified of future Tree Mobs.

Accessibility: This program will take place on paved roads and will involve a small amount of walking.

Audience: This program is geared towards adults.

Inclement weather policy: Participants will be notified via email at least 24 hours in advance if a program needs to be cancelled due to inclement weather, and will be notified by phone if a program must be cancelled with less than 24 hours’ notice. Click here to view our full inclement weather policy. If you have questions about the status of a program, please email publicprograms@arnarb.harvard.edu or call the Visitor Center desk between 10:00am and 4:00pm at (617) 384-5209.