1)sweet potato doesn't work with some effects
2)2+ sweet potatoes on adjacent lines = teleport
2)gargantuars can spawn imps on the adjacent lines
3)after planting a solar grave when you plant a basic grave, solar appears
4)I can plant speakers on graves
5)I can plant speakers on speakers
6) Iceberg lettuce works weird
There are a lot more of them, but nuh, I'm too lazy