Anything he plants grows into a "tree". Wine tree. Sword tree. Money tree. You name it, he makes it. (How did the economy not break and why keep selling if he can fabricate money?)
Sounds like a lot of mary sue but hey! Im an isekai ho
Shounin Yuusha wa Isekai wo Gyuujiru! – Saibai Skill de Nandemo Fuyashi Chaimasu