cant craft meds?

[Double Deez Nuts]

noob question but when i try to craft meds, the game wont let me add more than one aloa to craft with and prevents me from being able to make it why?

[Syncourt]

You don't need more than one aloe to craft a health mix. You just need to combine it with 1 marigold. Or you can add a marigold and a coneflower to make a health+