[Tilted Irish Kilt]

MightyMama :" .. I grow ground cherries and while they’re pretty in their own way, the immediate reaction I get to seeing one is “weed”, not “food” "

Exactly ! That's the basic belief of a "guerilla garden"
"In plain sight, but unknown as a food plant", or plant camouflage.

[MightyMama]

Some of the smaller and more obscure melons might work as well; the green-and-smooth types tend to blend in with the leaves and be hard to spot.