Pumpkin Center, Kern County, California. This article is about the unincorporated community in Kern County. For the unincorporated community in Lassen County, see Pumpkin Center, Lassen County, California.
Harvesting Chestnut Trees. After the chestnuts fall from the tree, watch for the spiny burs to split. Donât harvest chestnuts if the burs are still green and closed because the nuts inside will be unripe. Harvest the nuts every couple of days.
How to Harvest Chestnuts. Chestnut burrs each contain two or three nuts. Chestnut trees (Castanea spp.) make attractive deciduous landscape trees that also provide edible nuts in fall. At maturity these trees can reach more than 30 feet tall, and you need several trees if you want them to produce nuts.