Feed each vine weekly with a liquid fertilizer, such as fish emulsion. Use half the recommended rate if you feed weekly. If cats are around, fish emulsion may attract them and damage your vines. Insects and diseases are a problem, so check with your county Extension Service office for recommendations. It will help to get the pumpkin off the soil.
Pumpkins can get sunburn, too, so try to keep a good leaf cover.
This may cause the stem to separate from the vine. Harvest When the pumpkin is mature, the vine will start dying, and the stem will become woody. Leave as much stem on the fruit as you can. Handle the pumpkin from the bottom, not by the stem. Store it in a well-ventilated place out of the sun, and keep it dry.