When to Harvest Pumpkins: Rind Stem plus Color Signs
When to harvest pumpkins comes down to rind, color plus weather. Iowa State University Extension advises harvesting once pumpkins have a deep, uniform orange color plus a hard rind. Clemson Cooperative Extension notes mature fruit have skins that cannot be punctured with a thumbnail. Pick all mature fruit before a hard freeze.
The short answer
Harvest pumpkins once the rind is hard plus the color is deep and uniform. Clemson Cooperative Extension notes a thumbnail cannot puncture a mature rind. University of Illinois Extension advises late September or early October before heavy frost. Cut with 3 to 4 inches of stem plus harvest all mature fruit before a hard freeze.
What signs show a pumpkin is ripe?
Iowa State University Extension plus Clemson Cooperative Extension list the signs.
| Sign | What to look for |
|---|---|
| Color | Deep, uniform orange for most varieties |
| Rind | Hard, cannot be punctured with a thumbnail |
| Stem | Cut leaving 3 to 4 inches |
| Weather | Before a hard freeze |
Source: Iowa State University Extension, Clemson Cooperative Extension plus University of Illinois Extension.
Should pumpkins be picked before frost?
Iowa State University Extension notes a light frost kills the vines but should not harm the fruit. A hard freeze may damage it. It advises harvesting all mature pumpkins before a hard freeze. University of Illinois Extension notes fruit hit by heavy frost do not store well.
What happens right after harvest?
Iowa State University Extension advises holding pumpkins at 80 to 85 degrees F plus 80 to 85 percent humidity for about 10 days to harden the rind. Then store them in a cool, dry, ventilated spot away from apples plus pears.
How to: step by step
- Check that the color is deep plus uniform.
- Press the rind with a thumbnail.
- Watch the forecast for a hard freeze.
- Cut with shears leaving 3 to 4 inches of stem.
- Carry the fruit from the bottom, not the stem.
- Move them to a warm spot to harden the rind.
Troubleshooting
Pumpkin rotting at the stem: the stem broke off. Iowa State University Extension notes pumpkins with stems are less likely to rot.
Soft spots in storage: the fruit was picked immature or hit by frost. Harvest only mature fruit before a hard freeze.
Short storage life: pumpkins sat near apples or pears. Iowa State University Extension notes ripening fruit shortens storage life.
For related reading see how to sharpen garden tools, fall garden cleanup after cannabis harvest plus composting cannabis garden waste. Kind Seed Co also stocks cannabis seeds.
Sources
- When should I harvest my pumpkins?, Iowa State University Extension
- All about pumpkins, Iowa State University Extension Yard and Garden
- Growing pumpkins, Illinois Extension
- Pumpkins and winter squash, Clemson Cooperative Extension HGIC
FAQ
Will pumpkins ripen off the vine?
Clemson Cooperative Extension notes immature pumpkins do not store well, so make sure the fruit is mature before harvesting. University of Illinois Extension advises that if vines die early, harvest the mature fruit plus store it in a moderately warm, dry place. Fruit should already show full color plus a hard rind.
How long do pumpkins last in storage?
Iowa State University Extension notes properly hardened plus stored pumpkins stay in good condition for 2 to 3 months. Store them in a cool, dry, ventilated spot. University of Illinois Extension advises 50 to 55 degrees F. Store them away from ripening apples plus pears, which shorten storage life.
How should pumpkins be carried?
Iowa State University Extension advises against carrying pumpkins by their stems. The stem may not support the weight plus can break off. A pumpkin without its stem is more likely to rot. Lift each fruit from underneath with both hands and set it down gently to avoid bruising.
Can green pumpkins be picked?
Clemson Cooperative Extension notes immature pumpkins do not store well. Wait for deep, solid color plus a hard rind before harvest when the season allows. University of Illinois Extension advises that if vines die early, harvest the mature fruit rather than leaving it in the field.
What is the thumbnail check?
Clemson Cooperative Extension notes mature winter squash plus pumpkins have very hard skins that cannot be punctured with your thumbnail. Press a nail into the rind away from the stem. If it dents easily, leave the fruit on the vine longer. If it resists, the rind is ready.
