How long to avocados last?

That depends on the type of avocado But basically, with any avocado all you need to do to test its ripeness is to squeeze it gently. If it has some give, then it is ripe. If it is too hard, leave it for a couple of days. If it is very soft, slice it in half and take a look inside. If it is predominantly brown, then it is overripe If it is green, however, then it should be just right.