Fruiting starts in Autumn and continues through Spring
You can freeze kernals (check this)
They reach about 1 inch in diameter.
Green husks begin to turn brown, shrink, and split.
Split husks show brown edges.
Brown shells are visible inside split husks.
Husks feel dry to the touch, not tacky.
“Self-harvesting” fruit begins to fall to the ground.
And remember to:
Harvest often.
Pick up promptly.
Remove husks immediately after harvest.
Dry kernels in-shell for two to three weeks before using, storing, or freezing.
Discard husks or shells that look moldy, damaged, or unripe.