Pennsylvania gardeners get two very different windows for cover crops: a spring one that opens once soil temperature catches up to the calendar, and a…

Cereal rye, hairy vetch, and crimson clover top the list for most of Kansas, with oats and daikon radish filling the gap when a fall planting window is…

Cover crops work reliably in most Oregon gardens, but timing splits sharply along the Cascades.

Cereal rye is the cover crop that works almost everywhere in Iowa, from the coldest counties near the Minnesota line to the milder ground around Des…

Growing cover crops in Ontario means working around two hard facts: the ground here freezes solid every winter, and the frost-free stretch runs roughly…

Cereal rye is the safest bet for most of Indiana, because it’s the only common cover crop that reliably survives the state’s coldest winter nights and…

Cover crops go into Oklahoma ground once the soil itself has warmed, not on a calendar date, and once you know your own frost window the rest of the…

Cereal rye tops the list for most of Illinois because it survives the state’s coldest winter nights and still gives you a thick mat of green before…

Ohio’s cover crop calendar runs on soil temperature, not the calendar page. In zone 6a, spring sowing waits until early-to-mid May, and fall sowing needs…

For most Idaho gardens and fields, the safest cover crop choices are cool-season types: winter cereal rye, oats, field peas, and hairy vetch in the…