Scout for a mature, closed pine cone on a healthy tree, preferably in late autumn. Don’t pick one that’s already open on the ground—those seeds usually have already flown the coop. You want a cone that still feels tight, almost like it’s holding a secret.
Place the cone in a paper bag and leave it in a warm, dry spot for a few days. The heat will coax the scales to open, and soon you’ll hear a faint tick-tick sound as seeds drop out. It’s nature’s slowest slot machine, and you’re about to hit the jackpot.
Separating Seeds from Chaff (The Tedious Bit)
Once you’ve shaken out all the seeds, you’ll notice they often come with little papery wings. That’s the samara, and you don’t need to remove it, but rubbing them between your hands will help you separate the plump, dark seeds from the empty shells.
Here’s a test: drop your seeds in a glass of water. The ones that sink are viable; the floaters are just pretending. (Yes, it’s basically a swimming test for unborn trees).
