Nether Agriculture adds several new types of crops to be found and grown in the nether. Such as crimson and warped berries, ash oats, blaze fruit, etc.
Where to find new plants?
• Crimson Berries: generated in the crimson forest
• Gordo: generated in the crimson forest on the ceiling
• Warped Berries and Lotune: generated in the warped forest
• Ash oats: generated in soul sand valley
• Jelly Bean, Blaze fruit, Azure melon, Bloody Anemone, Poison Sack: obtained by plant breeding