COLLINSVILLE - Every year, come November billions of jack-o’-lanterns whose wilting faces are now past their prime need to find a new home. Tossing pumpkins in the trash bin is the simplest solution, but is not the best for the environment says Chris Enroth, University of Illinois Extension horticulture educator.
“In a landfill, pumpkins and other organic materials are buried and rot without oxygen, which creates the potent greenhouse gas methane,” Enroth says.
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Instead, give gourds a second life by donating them to a zoo or wildlife rehab center or composting them, either personally or through a municipal drop-off program.
Several well-intentioned posts making the rounds on social media have suggested other options such as leaving pumpkins in fields, woods, or nature preserves to decompose or for wild animals to eat. But there’s more to it than a Tweet can explain.
Leaving pumpkins on private property or a nature preserve without permission is littering and illegal. Come fall, it is common for natural areas to become a dumping spot for yard waste, pumpkins, straw, and other organic decorations which is costly. The thought is that these items will compost, but Peggy Doty, Illinois Extension energy and environment stewardship educator, says it has a negative effect.
“Straw and pumpkins smother native plants and create odd little microhabitats that are not healthy and full of molds,” Doty says. “Pumpkins can now be found growing in preserves, probably from last year’s pumpkin drop off.”
Straw smothers plants and takes a long time to decompose and if it blows over roads, it is hazardous, and staff have to pick it up.
Leaving pumpkins for wild animals to eat can also create problems. If dropped off in ditches or near roadsides, animals will be drawn in close to traffic where they may get hit.
One social media post suggests that pumpkin seed acts as a natural dewormer, but Veterinarian Samantha J. Sander who is a Clinical Assistant Professor at University of Illinois says the research on this is mixed.
A compound in pumpkin seeds, cucurbitacin, is a dewormer, but different squash have varying levels and the dose and effectiveness is unknown. It also varies depending on the animal and the worm.
“Pumpkin could help, but it could just as likely be completely ineffective,” Sander says.
When it comes to livestock, cattle, hogs, horses, and poultry can all eat pumpkin smashed open or cut into chunks. Since pumpkins are not a routine part of their diet, this can cause digestive upset.
At home, dogs can safely eat pumpkin puree, but large, hard chunks can cause an obstruction. Cats benefit less from pumpkin, but it can be a good source of fiber.
Zoos and wildlife rehab centers may also accept donated pumpkins as food or enrichment.
Sander cautions that the biggest caveat with feeding any animals pumpkin is they have to be fresh.
“Moldy pumpkins or those with significant bacterial contamination can be dangerous,” Sander says. “Jack-o’-lanterns are particularly of concern for this, as they break down quickly. Whole pumpkins that have been sitting out in the sun on someone’s porch for weeks could also succumb to degradation and contamination.”
Pumpkins left on private property for critters to snack on should have any decorative items such as metal, plastic, and candles removed. Every fall, the University of Illinois Wildlife Medical Clinic treats wild animals that get trapped or tangled in decorations. Do not give gourds washed with bleach to animals since it is toxic. A white vinegar solution is a safe alternative but will not help if a pumpkin is already going moldy.
If a pumpkin is starting to decompose, the next best option is to turn it into compost. Chop up gourds to help speed up the process before tossing the pieces into a compost pile.
Many municipalities have composting facilities where residents can drop off pumpkins and other organic materials. A list of compost facilities is available on the Illinois EPA website at www2.illinois.gov/epa.
SOURCES: Chris Enroth, Extension horticulture educator; Peggy Doty, Extension Educator, Energy, and Environmental Stewardship; Dr. Samantha J. Sander, University of Illinois Veterinary Clinical Medicine.
WRITER: Emily Steele, Media Communications Coordinator, Illinois Extension
ABOUT EXTENSION: Illinois Extension leads public outreach for the University of Illinois by translating research into action plans that allow Illinois families, businesses, and community leaders to solve problems, make informed decisions, and adapt to changes and opportunities.
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