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 Food and Farms » Just how long a pumpkin can last, carved or uncarved?

Just how long a pumpkin can last, carved or uncarved?

Just how long a pumpkin can last, carved or uncarved?Itís pumpkinsí moment in the limelight. Theyíre all over the place, breaking records, getting makeovers by master carvers, moonlighting as cameras, and even ending up in the bowls of lucky dogs.

Thatís all fine and good, but some of us could use some pumpkin basics. For example, we were curious just how long a pumpkin can last, carved or uncarved?

Steve Reiners, a horticulturist at Cornell University, says it depends on the state of the pumpkin and the weather.

"If the pumpkin was healthy when picked and diseases were controlled in the field, the pumpkin can last 8 to 12 weeks," he says via email. He adds jack-o-lanterns donít fare as well: They last five to 10 days.

The best storage temperature for pumpkins ranges between 50 to 55 degrees Fahrenheit, he says. But cold weather can cut into a pumpkinís lifespan. A little light frost might cause a little discoloration; but the pumpkin wonít fare well if temperature drop below freezing.

"Freezing temperatures damage the plant cells just like they would with any living organism," he says. "If the pumpkin actually freezes, once it warms up, the skin can soften, which may open it up to ... rot."

But where freezing can come handy is preserving the pumpkin pulp. The University of Nebraska has a number of good tips on how get the nutritious meat out and what to do with it.

When searching for a pumpkin, Reiners says itís important to find one with a firm stem, or handle, still attached. "Thatís a great indicator of how healthy it is," he says. When the stem is rubbery and weak, "chances are rot organisms will start to soften the pumpkin quickly." But once you find a firm stem, be gentle ó itís better to carry to pumpkin around the fruit.

Once the carving begins, leave the stem on, experts say. Itís still providing the pumpkin with some nutrients that will keep it pretty and orange for several more days.

Reiners says there are more than 200 varieties of Halloween-type pumpkins ó which can range from one pound to 150 pounds ó in the species Cucurbita pepo. And some squash in the related species, Cucurbita maxima, may be considered pumpkins, too. (Read more on cooking with newer kind of squash in Bonny Wolfís piece for Kitchen Window last year.)
But Reiners says he wonít be buying any pumpkins, large or small, this year. One perk of knowing so much about pumpkins is that you usually find a way to get them for free.
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