A small cultivated plot of ground used for growing peas.
2.
USSouthern USinformal
A colloquial metaphor for an unsuitable or unpromising place or source; used to indicate that one is looking in the wrong place for wealth, opportunity, or advantage.
3.
USinformal
Used in negative constructions to mean that a situation is not pleasant, easy, or desirable (similar in sense to 'no picnic').