What are the main purposes of pine cones?

Pine cones hold the seeds of conifer trees. They're hard and spiky so the unfertilized seeds won't get eaten by birds (most of the time). read more

Pine cones hold the seeds of conifer trees. They’re hard and spiky so the unfertilized seeds won’t get eaten by birds (most of the time). When the seeds are pollinated, the pine cone dries out and opens up, and the seeds are carried away on the wind. read more

A pine cone is an organ of the pine tree containing its reproductive structures. Pine trees are only one of the conifer, or "cone-bearing," plants; others include cedars, firs, cypresses, and redwoods. Pine cones, like the reproductive organs of other conifers, come in male and female varieties. read more