Choose a warm, sunny location
Wait until soil is at least 70°F
Use loose, well-drained soil
Mix in compost before planting
Plant seeds or transplants after frost
Space plants widely
Sow seeds 1 inch deep
Water deeply and consistently
Keep leaves dry when watering
Mulch to retain moisture
Fertilize lightly at planting
Switch to low-nitrogen fertilizer after vines spread
Control weeds early
Protect young plants from pests
Support pollination by attracting bees
Reduce watering when fruit starts ripening
Check for ripeness by thumping and tendril color
Harvest when the underside turns yellow
Cut fruit from the vine with a sharp knife
Store harvested watermelon in a cool place