I tried the windows version through the renpy app on Mac and it has the same problem for me. But when bought a pot it was fixed, so I think the problem is that it lets you plant without having a pot
Yes, I believe that was an issue we had. IIRC it was fixed in the 0.2 update. We also had an issue where some people would harvest a plant and quickly harvest a second during the 'harvest' animation, which would bug out in v0.1, but that has also been addressed.
If the Mac issue is still a problem please let me know and I'll try to troubleshoot it.