How to choose the best:
Cape Gooseberry

AKA: GROUND CHERRY, PHYSALIS

Touch

Look for good-sized berries, about should be about the size of a marble; smaller ones than that may be shriveled beneath the husk.

See

The first thing that will strike you about a cape gooseberry is it's delicate, papery husk; the fruit should look golden through the papery covering, and firm.

Some more details:

When it's in season

Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec.