This allows the plant to put what time and energy it has left into the remaining small-medium size fruit. Harvest the green pumpkin Cut your pumpkin off the vine making sure to leave at least 4 inches of the vine on the top. Seminole Pumpkin The Veggie That Can Stand The Heat Planting Pumpkins Florida Gardening Fairchild Tropical Botanic Garden Ripening out of the patch- As previously mentioned green and partially orange pumpkins ripen up with sunlight warmth and time. Do pumpkins ripen off the vine . Eat it cause it sounds like it will rot. Pumpkins are ready to harvest when they have reached. If the garden season is over and the fruit is still green follow these steps. The colour of the skin gives another indication of ripeness. Give the pumpkin a little knock like knocking gently on a door. If the fruit has developed a rich colour and is becoming. Clean your green pumpkin The biggest threat to a green pumpkin is rot and mold. If ready you can pull pumpkins befo...