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Blanching (horticulture)

Blanching (horticulture)
White and green asparagus.

Blanching is a technique used in vegetable growing. Young shoots of a plant are covered to exclude light to prevent photosynthesis and the production of chlorophyll, and thus remain pale in color. Different methods used include covering with soil (hilling or earthing up) or with solid materials such as board or terracotta pots, or growing the crop indoors in darkened conditions. Blanched vegetables generally tend to have a more delicate flavor and texture compared to those that are not blanched, but blanching can also cause the vegetables to be lower in vitamin A.

Examples

Vegetables that are usually blanched include: name=Alden{{Cite web

  • Cardoon
  • Celery
  • [[File:Endive p1160063.jpg|thumb|Belgian endive]]Chicory (Chicorium intybus), or common chicory, in the United States also called 'endive' (the common name for Chicorium endivia). name=HtT{{Cite web |archive-url=https://web.archive.org/web/20100324204718/http://www.rhs.org.uk/Gardening/Grow-Your-Own/Veg-A-to-Z/Chicory,-endive-and-radicchio |url-status=dead |archive-date=24 March 2010 name=GYO{{Cite web name=GA{{Cite web name=Conant{{Cite web |archive-url=https://web.archive.org/web/20111007030732/http://www.epicureantable.com/ffarticles/chicory.htm |archive-date=7 October 2011 |url-status=dead
  • Good King Henry (Chenopodium bonus-henricus)
  • Leek
  • Potato
  • Sea kale (Crambe maritima)

Vegetables that are sometimes blanched include:

  • Alexanders
  • Asparagus grows stems that can be consumed naturally green, while young. Blanching cultivars by hilling results in the stem remaining white.
  • Cabbage
  • Dandelion
  • Endive
  • Lettuce
  • Lovage
  • Rhubarb

References

References

  1. "Rhubarb, rhubarb". [BBC].
  2. "Yorkshire Grown Indoor Rhubarb...The History".
  3. United States. Dept. of Agriculture. (1984). "Farmer's Bulletin". U.S. Government Printing Office.
  4. (1991). "Root Cellaring: Natural Cold Storage of Fruits & Vegetables". Storey Publishing.
  5. Wyman, Donald. (1986). "Wyman's Gardening Encyclopedia". Simon and Schuster.
  6. MM. Vilmorin-Andrieux; W.Robinson. 1885/undated. ''The vegetable garden: Illustrations, descriptions, and culture of the garden vegetables of cold and temperate climates, English Edition''. Jeavons-Leler Press and Ten Speed Press. [https://archive.org/details/vegetablegardeni00vilmrich 1920 edition in Internet Archive]
Info: Wikipedia Source

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