As a member of the New England Wildflower Society I have been invited to the Plant Swap at Nasami Farm in Whately at 9 am on Saturday, May 31.  While the invitation said bringing native plants was encouraged, it was not necessary. Invasive plants would be sent away ignominiously! At least one identified plant is required to participate. By bringing 6 plants I can bring home six new plants. I bought my original Waldsteinia fragarioides at Nasami some…