Pumpkins are mature when the skin turns a uniform, deep orange color and the rind is hard enough that it cannot easily be pierced with a fingernail. The stem will also begin to dry out and turn brown or woody. Be sure to harvest before the first hard frost using a sharp knife, leaving 2–4 inches of stem attached to prolong storage life.

Pumpkin vines produce separate male and female flowers. Male flowers usually appear first to attract pollinators, while female flowers (identifiable by a small swollen fruit at the base of the bloom) open shortly after. If female flowers aren't setting fruit, it may be due to low pollinator activity, extreme heat, or excessive nitrogen fertilizer. Encouraging bees in the garden or hand-pollinating female blooms can help ensure fruit set.

To prevent bottom rot and shield your developing fruit from soil-borne pests or damp soil, gently place a layer of straw, mulch, wooden board, or tile underneath each growing pumpkin once it reaches the size of a baseball.

Yes! Curing solidifies the pumpkin's skin and heals small scratches, significantly extending its shelf life. Place freshly harvested pumpkins in a warm (80–85°F), dry, and well-ventilated spot for 10–14 days before storing them in a cool (50–55°F), dry location. Properly cured, uncarved pumpkins can easily last for several months.