The problem with the ingame Ugly Tomato is that it is classed as a weed - and as all norns know (or at least, all living norns know), "no push weed". This Ugly Tomato Herb solves the problem.. as the name suggests, it is classed as a herb! (class number 2 4 80)
The effects it will have on your norn are:
It will not remove the in-game Ugly Tomato. It takes well to hand-transplanting, but creatures cannot uproot it.