Cora, she would combine shipping if you are purchasing more than one packet of seeds.
If speaking of Seeds and grafted plants. She can, she just has to make sure that both seeds and plants are on her Certificate that she has applied for.
Rick
"Many times a day I realize how much my own outer and inner life is built upon the labors of my fellow men, both living and dead, and how earnestly I must exert myself in order to give in return as much as I received"
