PlantingWindowPlan / by USDA hardiness zone

Planting guides by USDA hardiness zone

Worked threshold examples for tomato, lettuce and pea across USDA zones 3 through 10, each with the official USDA winter-minimum range, this app's preset thresholds, and a prefilled link into the live calculator.

CropZone 3Zone 4Zone 5Zone 6Zone 7Zone 8Zone 9Zone 10
TomatoZone 3Zone 4Zone 5Zone 6Zone 7Zone 8Zone 9Zone 10
LettuceZone 3Zone 4Zone 5Zone 6Zone 7Zone 8Zone 9Zone 10
PeaZone 3Zone 4Zone 5Zone 6Zone 7Zone 8Zone 9Zone 10

Zone data: USDA Plant Hardiness Zone Map. Machine-readable rows: /data/planting-zones.json.