from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A receptacle in which oil or another smoky fuel is burned to protect an orchard from insects or frost.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An oil-burning device used to prevent frost on fruit trees.
  • n. A pot of tar and oil burned to produce thick noxious smoke to discourage pests.


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  • Knowns as frost pots in Australia.

    February 4, 2008

  • A smudge pot (also known as a choofa or orchard heater) is an oil-burning device used to prevent frost on fruit trees. Usually a smudge pot has a large round base with a chimney coming out of the middle of the base. The smudge pot is placed between trees in an orchard, allowing the heat and smoke from the burning oil to prevent the accumulation of frost on the fruit of the grove. Smudge pots were developed after a disastrous freeze in Southern California in 1913 wiped out a whole crop.


    February 4, 2008