Come get your science on!

Be a part of our restoration mission to bring back the American chestnut.

Inoculations in the Orchard: The PA/NJ Chapter of TACF is seeking volunteers to help inoculate with American chestnut seedlings planted in our research orchard at PSU. No experience necessary.

Dates: Thursday, June 13th, inoculations have been rescheduled for Wednesday, June 19th NOW CANCELLED.

STILL HAPPENING: SSA in the Shadehouse: The PA/NJ Chapter of TACF is seeking volunteers to help conduct Small Stem Assays (SSA) with American chestnut seedlings this June. No experience necessary.

SSA is one method being used to test chestnut seedlings for resistance to chestnut blight. On June 20th and 21st volunteers will work together with staff to 1,200 inoculate seedlings with the chestnut blight fungus. After which we will measure canker length every 4-6 weeks, but also count dead trees every day. “Days-to-wilt” is an important metric to measure for determining which trees have resistance.

Dates: Thursday, June 20th and Friday, June 21st

Time: 9:30 pm to 4:00 pm ( Sign up for an hour or the whole day).

Where: Shade house at Forest Resources Lab, University Park, PA, 16802 (Corner of Hastings Road and University Drive)

To volunteer: Email Jean at, or call 814-863-7192

Download the SSA Flyer 2019.

Note: Hastings Road is closed so volunteers will have to park remotely and parking on campus is not free. For more information: