The trait is completely random so you're really lucky to met one same trait for three times. Maybe we should make it less random so that these kind of things won't happen.
Both too dry and too wet soil will cause plant sick and dead, the best time to water it is when it's half wet, and the best place to place it is where the soil can be half wet.
Thank you so much for your feedback. I think we really need to have a hint system.