Forbidden things seem more appealing; people want things more if (or, in some way, because) they can't have them.

Alternative spelling of low-hanging fruit

(idiomatic) Easily obtained gains; what can be obtained by readily available means.

Fruit that, because of its height from the ground, is more difficult to harvest / (by extension) Anything that is difficult to achieve, and which is put off while simpler alternatives are still available

Alternative spelling of nutty as a fruitcake

plural of fruit of the poisonous tree

(US, law, idiomatic) Evidence that has been obtained as the result of an illegal act on the part of law enforcement personnel (such as a warrantless search, or continued questioning of a witness who has invoked the right of counsel), and which is therefore excluded from being admitted as evidence in a trial.

(chiefly literary, idiomatic) One's child or, collectively, one's children or descendants.

A type of fruit fly capable of wreaking extensive damage, Ceratitis capitata.

plural of low-hanging fruit