In the areas of temperate climate autumn is the time of the most abundant harvest and an opportunity to gather supplies for the coming months. Apples and nuts in hard shells can be easily stored in a cool, ventilated place. However, the remaining autumn gifts will require proper heat treatment and processing. Dark purple garden grapes are a rich source of vitamins, flavonoids and potassium, so it is good to stock a pantry with homemade grape juice or confiture.