Minn. Stat. § 18.525
An organization does not need to obtain a nursery stock dealer certificate before offering certified nursery stock for sale or distribution if the organization:
(3) uses the proceeds from its certified nursery stock sales or distributions for charitable, educational, or religious purposes.
The organization must notify the commissioner, prior to any sales or distributions of certified nursery stock and must demonstrate to the commissioner, if requested, that such sales or distributions will be conducted on 14 or fewer days in the calendar year, as provided in clause (2).