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.
When to harvest chestnuts? Chestnuts donât ripen at the same time and chestnut harvest time can span as much as five weeks, although the nuts generally ripen in a 10- to 30-day span of time in late August and September. Allow the nuts to fall from the tree naturally.
Harvesting and Handling Chestnuts. Post harvest handling of chestnuts affects nut quality. Chestnuts are consumed in a high moisture and low oil state. In this state chestnuts are susceptible to going bad. Freshly fallen chestnuts are about 50% water (we can call this their wet state).