So far my greenhouse isn't more of a pain than it's worth to me, but it may be getting close.
My efforts to propagate lavender, roses, and crepe myrtle don't seem to be working. They looked really excellent then they looked dead. I haven't discarded them because they may change their minds.
For the last few years I've had little fuzzy-looking white things that are hard to get rid of and slugs. Today I found a snail!
I must be keeping it too moist. But the directions to not let things dry out evidently isn't the same as "see if they can swim."