The Internet's Finest Tropical Fruit Discussion Forum!"All discussion content within the forum reflects the views of the individual participants and does not necessarily represent the views held by the Tropical Fruit Forum as an organization."
You don't need a license to sell. Buyers don't need license to buy, but might need import documents to receive. You might need a nursery license to get a phytosanitary certificate in some countries. I'm actually not sure about the US.