18 planning tools for flock, garden, and pasture. Every calculator shows the rates and
assumptions behind the math — grounded in extension-service standards, free forever, and usable on
your phone in the barn.
Pick a category below or scroll the full list. For crop planting guides and USDA zone calendars, see
our crop guides and
zone pages. Estimates only — check with your local
extension office for advice specific to your land and animals.