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In 1873 Alexandre Dumas wrote in his Grand dictionnaire de cuisine: : 847 : 508 A treatise on agriculture published in 1863 lists five possible colours for the vitelotte: white, yellow, pink, red and violet. In a source from 1817, six varieties of potato are listed as available at the market of Les Halles among them are both vitelotte and violette ("violet"). In early descriptions, vitelotte were not necessarily violet-coloured. The first occurrence of the word is from 1812. The French word vitelotte derives from the archaic French: vit, meaning " penis" (modern French bite), by analogy with the shape of the tuber. The tubers are elongated with sunken eyes they are thick-skinned, and thus keep well. The plants mature late and, compared to modern varieties, are relatively low-yielding.
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The colour is retained in cooking, and is due to natural pigments in the anthocyanin group of flavonoids.
#Purple potatoes skin
To avoid cuts and bruises, dig lightly and brush off the soil rather than washing it.'Vitelotte' potatoes have a dark blue, almost black, skin and dark violet-blue flesh they have a characteristic nutty flavour and smell of chestnuts. Small, “new” purple potatoes can be harvested three months after planting, while larger, mature tubers should be harvested when the plants have turned yellow, or after the mature plants have been cut down and the tubers have been dug. How do you know when purple potatoes are ready to harvest? Late-season types like “AC Domino” require 110 to 130 days to attain maturity from planting.
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Early kinds, such as “Caribe,” take 70 to 90 days to mature fully. The majority of purple potato cultivars are available in early, mid-season, and late-season types. Planting purple potatoes can be difficult since they require a long growing season (about 120 days) and consistent hot weather. How long does it take to grow purple potatoes? It’s best not to use manure as a fertilizer because it can spread scab disease. Soak the dirt all the way around the plants. Once a month, apply 1 tablespoon of fertilizer per gallon of water used, or an organic fertilizer such as 5-1-1 fish emulsion. Once the roots are set, the vines grow swiftly and require a lot of water, usually 1 to 2 inches each week.ĭrip irrigation saves water and prevents disease caused by overly damp soil.
#Purple potatoes full
Full sun is required for purple potatoes.
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To establish excellent roots and tubers, potato plants require around 12 inches of soil depth. If your soil is clay-like, add a 2- to 3-inch layer of compost dug into the top 6 inches of soil before planting, or consider putting up a raised bed. Purple potatoes grow well in a wide range of soils, but they thrive in loose, well-drained soil with plenty of organic matter. New sprouts can be killed by late frosts, although they normally re-grow. Vines thrive best in cool spring temperatures and longer days, so plant after the final danger of frost has passed. Allow the potato sprouts to grow to a height of approximately 6 inches and fill the trench with about 3 inches of soil when they poke through the soil.Ĭontinue to fill the trench until it’s full. Trenches should be spaced 2 to 4 feet apart for many rows. Place the seed potatoes in a trench 8 to 12 inches deep and cover them with 2 to 4 inches of soil, skin side up, 9 to 18 inches apart. Potatoes are a robust growth that requires both above-ground and below-ground space. Put the cut pieces in a cold, dry location until the cut surface is hard and dry to prevent disease. There should be one to three eyeballs on each component. Instead, plant the seed potatoes whole if they are about the size of a hen’s egg.Ĭut them into pieces with a clean, sharp knife coated in rubbing alcohol before starting and between each potato you cut if they’re larger. There are a few purple potato kinds to choose from.īecause purple potatoes aren’t extensively grown, it could be difficult to find seed potatoes for them. Potatoes develop from complete little tubers or fragments of tubers called seed potatoes, rather than from seeds. Purple potato types, both heirloom and hybrid, come in a variety of colors, ranging from pure purple to a mix of purple and white. These potatoes have gorgeous purple skin and flesh, which is extremely comparable to their white grocery store counterparts. Purple potatoes, sometimes known as blue potatoes, are a species of potato that is native to the continent of South America. Learn all you need to know about growing these potatoes.Ĭultivating purple potatoes ( Solanum tuberosum, sometimes Solanum tuberosum andigenum ) is similar to growing most other types of potatoes, despite their unique appearance. Purple potatoes will add color to your menu while also diversifying your garden.