Mammoth Gold Pumpkin is an heirloom, open-pollinated pumpkin variety that produces extra-large fruits on large vines. This giant variety produces pumpkins that average 40-60 lbs each, but can get as large as 100 lbs. While this makes an excellent jack-o-lantern variety, it can also be used as a canning or pie pumpkin.
Mammoth Gold Pumpkin produces fruits that are light orange with faint ribs and an irregular overall shape. To produce pumpkins closer to 100 lbs, we recommend removing all but 1-2 pumpkins from each vine. This will allow the plant the to devote all its nutrients to just a few fruits. This variety will also benefit from a solid watering and fertilization program.
Pumpkins may be direct-seeded or transplanted, although we highly recommend direct seeding. To ensure a good stand, we recommend planting seeds every 12″ along the intended row. Once plants emerge, thin plants to one every 2 feet. Pumpkins can be susceptible to plant diseases like downy mildew and powdery mildew if leaves receive excess moisture. As a result, we recommend using drip irrigation on winter squash to reduce plant moisture and feed plants more effectively. During periods of heavy rainfall, using a fungicide like Liquid Copper can help to alleviate disease pressure as well.
Pumpkins are a crop that will produce a one-time harvest at the end of the growing season. They should be harvested when plants die back and the fruits obtain their full color. Stem hardness is also an indication of fruit maturity. Once stems harden, fruits are ready for harvest using a set of pruning shears. Pumpkins can be stored in a cool, dry place for several months, depending on variety and sugar content. Once fruits are harvested, remove the plants from the garden to prevent any fungal spores from overwintering and becoming a problem in future years. Proper crop rotation is extremely important with all pumpkin varieties to reduce disease and pest pressure.
Mammoth Gold Pumpkin Planting Information
Planting Method: direct seed
When to Plant: after last frost
Planting Depth: 1/2″
Seed Spacing: 18-24″
Row Spacing: 5-6′
Days to Maturity: 120
Disease Resistance: None
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