buy high star seed bag
Are you asking if he sells them? I believe he only sells the basic seeds. You can increase the quality of them through using fertilizer, and then putting the fertilized crops into the seed maker. Repeat, repeat, repeat until you get 5-star crops.
Alternately, some villagers will give you high-star seeds when you complete certain requests for them. The higher the quality of the items you give them, the higher the quality of your reward will be.
Alternately, some villagers will give you high-star seeds when you complete certain requests for them. The higher the quality of the items you give them, the higher the quality of your reward will be.