A fast, easy, and cheap way of obtaining alchemical ingredients is to harvest crops from farms and gardens in The Elder Scrolls III: Morrowind and The Elder Scrolls IV: Oblivion. In The Elder Scrolls V: Skyrim, the player can harvest not only the ingredient category items but also food category items in the farms.
All ingredients and foods harvested from plants will eventually grow back, usually in a matter of days.
The largest are Odiil Farm, Lord Drad's Estate, and Shetcombe Farm in Oblivion. The largest agricultural center is Skingrad, with an enormous field of tomatoes north of the city and grapes from the Surilie Brothers Vineyards and Tamika's Vineyards growing just outside of the west gate.
The crops grown on farms are generally only good for making potions that restore fatigue until one reaches the higher levels of alchemy. Expert alchemists may find strawberries, watermelons, and grapes useful for damage health potions. Combining grapes with flax—both very abundant in the West Weald—makes an effective poison for high-level alchemists.
The following is a complete list of gardens and farms in Oblivion:
- Tomatoes [x90]
Next to Marie Alouette's house:
Next to Eduard Retiene's house:
The following is a complete list of gardens and farms in Skyrim:
- Blue Mountain Flower
- Fly Amanita
- Purple Mountain Flower
- Red Mountain Flower
- Thistle Branch