Where do you get seeds On Harvest moon D'S?

When you start the game in spring, you have a pack of turnip seeds, but Vesta sells them on the other farm in the valley. She sells them in the store room next to her house at 4.30. P.M Karen at the supermarket sells seeds from 11-4 she is closed on Tuesday and Thursday. At the harvest Sprite tree they sell pineApple and cabbage seeds which can't be purchased anywhere else. They are open 10-6.