When foraging you will obtain either 1 (commonly) or 3 (uncommonly) items, unless you have given Krasz enough salt, at which point you will have an equal opportunity to obtain between 1-3 items, so long as you do not sleep, as the bonus he gives to foraging will dissipate upon a full rest.
Forest - (Level 5+ to start with) / (Level 25+) / (Level 45+)
- Level 1 - Healing Herb - Natural Cotton - Plain Wood
- Level 2 - Wild Hide - Antidotal Herb - Viridian Shard
- Level 3 - Forest Silk - Jade Tea Leaves - Enchanted Leaf
Beach - (Level 10+ to start with) / (Level 30+) / (Level 50+)
- Level 1 - Flower of Restraint - Seaside Mud - Plain Salt
- Level 2 - Moonstone Crystal - Azure Seaweed - Cerulean Shard
- Level 3 - Treasure Chest - Enchanted Rune - Ocean Jelly
Mine - (Level 15+ to start with) / (Level 35+) / (Level 55+)
- Level 1 - Black Powder - Copper Ore - Eagle Eye Herb
- Level 2 - Red Pepper Weed - Iron Ore - Crimson Shard
- Level 3 - Gold Ore - Drake Scale - Treasure Key
Mountain - (Level 20+ start with) / (Level 40+) / (Level 60+)
- Level 1 - Magic Raspberries - Shock Weed - Mountain Stone
- Level 2 - Ebony Goo - Shimmer Sand - Wild Yellow Root
- Level 3 - Indigo Shard- Amber Shard - Black Moon Ash