traveling cart

I can't get the recipe, I have the greatest friendship with Caroline but I don't remember having received the tea tree recipe, and the traveling cart never offers it to me and I check it every day. I'm close to completing it 100% but I can't because of this problem.

I've been playing multiplayer/co-op with my friends, one of them bought the wedding ring recipe and now it no longer shows in the travelling cart for me. I need the recipe to complete the crafting achievement. Is this a bug or how can I solve this? Or is this just the way the game is? Because I...

I hope I'm doing this correctly? Windows version of Stardew Valley on Steam, not sure what version but I'm pretty sure I'm up to date. Single player. The traveling cart in the woods had a barbed hook for sale, a single barbed hook, had the number one on it. I bought the barbed hook and the...