The Arbor Day Foundation is a 501(c)(3) nonprofit conservation and education organization. A million members, donors, and partners support our programs to make our world greener and healthier.
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Please use a paper bag placed inside of a mailing envelope (no plastic as this will sometimes create mold in the seed when moist). In the bag, please include the city, state, and county where the nuts were collected, along with your contact information and the date you collected them.
Send your samples to: