malus Granny Smith (Granny Smith Apple)Delicious green fruit Tart and tangy flavor 4 5 winter chill hours One of the best apples for cooking Crisp, tart and juicy fruit Medium sized apples with speckled, pale green skin One of the best cooking apples, Granny Smith has crisp, tart and juicy fruit with a good balance of acids and sugars. Medium sized apples have pale to medium green skin with distinctive whitish dots. Requiring only 400 to 500 winter chill hours, and a longer season to