Throughout Cube World, as you are running across the beautiful lands you will find flowers, fruits and vegetables.
Harvesting these will help you make different types of food to replenish your HP, or potions to save your life.
Here is a list of what you could find (at 10th July 2013), what you get from those resources and how to use them.
Cactus
Prickly Pear
Heartflower
Heartflower
Transformed
Using Campfire
Iceflower
Heartflower
Ginseng Plant
Ginseng Root
Mushroom
Mushroom
Snowberry Bush
Snowberry