Last edited by shiny on 3 Nov 2026. View history
Giant Pumpkin
A variety of pumpkin
How to sow giant pumpkin: Direct seed indoors (and transplant outside after seedlings are hardened off) or outdoors
Sun requirement for giant pumpkin: Plant in Full Sun
Pumpkins are squash cultivars that are round to oval in shape with thick, slightly ribbed skin that varies from deep yellow to orange in color. Their flesh ranges from yellow to gold and has large seeds. Like other members of the Cucurbitaceae family, they grow on sprawling vines. Different varieties of pumpkins are grown for food or decoration.
- 5
- plantings
- 3
- harvests
- 2
- seed packets
Giant pumpkin facts
Lifespan
First harvest expected
21 weeks after plantingLast harvest expected
21 weeks after plantingGrown for
fruit harvested 3 timesGrowing giant pumpkins
- Sow seeds in pots 4 weeks before planting out
- Dig a pit and fill it with compost 2 weeks before planting out
- Harden off the seedlings 1 week before planting out
- Set or refill beer traps for slugs and snails at planting out every week
- Water deeply at the base 1 week after planting out every week
- Mulch around the plants 3 weeks after planting out
- Hand pollinate the female flowers 6 weeks after planting out
- Pinch out the vine tips 10 weeks after planting out
- Lift fruit onto a tile or board 6 weeks before first harvest
- Check leaves for powdery mildew 8 weeks after planting out every 2 weeks
- Cut pumpkins with a long stalk at first harvest
- Cure the pumpkins in the sun 1 week after first harvest
How members grow giant pumpkins
Sunniness
Planted from
Harvested for
Plant giant pumpkins with
chives
Photos
PhotosGiant pumpkin plantings
Giant pumpkin harvests
Giant pumpkin seeds
Video
Where giant pumpkins grow
Only plantings by members who have set their locations are shown.
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Who's planted giant pumpkins
- shiny Raised Bed One · Wellington, NZ
- milki Planter 3x8 · San Francisco Bay Area
shiny
Giant pumpkin harvests
-
milki harvested 1, weighing 19.7 lb.
about 3 years ago
-
shiny harvested 2.
over 6 years ago
-
shiny harvested 1.
over 8 years ago
milki harvested 1, weighing 19.7 lb.
View all giant pumpkin harvests
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- Purchase seeds via Ebay
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Learn more about giant pumpkins
Resources outside Growstuff.
