Garden vegetables
Across the U.S., brussels sprouts ripen from Alaska (mid-August) all the way to Texas (mid-December). Hatched chalk is the early and late shoulder; the solid stretch is peak.
No chalk window in these states — no meaningful market production, so we'd rather say so than invent dates. Each page says where the supply really comes from.
Rarely u-pick — look for whole stalks at fall farmers markets and farm stands instead.
It depends where you stand. Across the U.S., brussels sprouts ripen from Alaska (mid-August) all the way to Texas (mid-December). In most growing states the peak lands around October — your own state's row on the board above is the honest answer.
California, where the season runs mid-June to late January. Long seasons usually mean a big state with more than one growing region inside it.
Pick your state on the what's-in-season board (it remembers you), or jump to your state's row above — each one links to the full brussels sprout-and-state page.