when to harvest purple sweet potatoes

What's the Difference Between a Sweet Potato and a Yam, 60+ Ways to Use Up Thanksgiving Leftovers. Purple sweet potatoes are high in antioxidants, and their creamy texture makes delicious fried sweet potato chips. Most purple potato varieties grow as early, midseason or late-season varieties. purple sweet potato, egg yolk, lemon juice, caster sugar, sea salt and 6 more Purple Sweet Potato Pudding Family Spice red chile powder, purple sweet potatoes, pecans, cloves, eggs and … Slips are simply rooted stem cuttings of sweet potato vines, usually about 4 or 5 inches in length. To harvest, use a pitchfork or digging fork to lift the tubers out of the soil. We love to DIY. Sweet potatoes are typically grown from rooted slips, and purple varieties are no different. It prefers to be watered multiple times per day, likes rich, nutritious soil and sunny, warm conditions. As mentioned earlier, there are many different purple sweet potatoes that Japanese plant breeders have developed over the years. Roasted Purple Potatoes. Thank you for choosing this service. Here are some of the other varieties to consider that are easier to find and work well in U.S. gardens. Pick a site that receives full sun and is well-drained. Sweet potatoes prefer a slightly acidic soil pH—somewhere between 5.5 and 6.5 is best, as it’s less inviting to the soil-borne pathogens that sometimes attack sweet potatoes. They are also a good source of vitamin C and potassium. This root crop has hundreds of varieties, some bred for their showy vines and others for the tasty potatoes (Fig. A purple sweet potato plant Growing sweet potatoes in pots allows you to keep them contained to a specific area. Copyright © 2020 EG Media Investments LLC. There are several different varieties to try. The variety was unidentified and Mike began propagating it. To plant in gardens where warming plastic is in place, cut a hole through the plastic and plant the slip through the hole. health benefits of Purple Sweet Potatoes. Tuck the edges of the plastic into the soil or pin them down with rocks, bricks, or landscape pins. Once the temperatures drop down into the 50s at night, it’s time to start checking your tubers. There are hundreds of different orange sweet potatoes to grow – here are the top five recommended by the experts. Because the sweet potatoes can form a good distance from the plant, work from the outer edges of the berm in toward the center. June 24, 2012 - Since purple sweet potatoes offer a lot of the appeal of regular potatoes (we love them as oven-baked fries and mashed) but have more vitamins, we got excited when we saw them at our local health food store. The other more recent purple sweet that has made it to the grocery is Stokes Purple sweet potato. In 2003, he was awarded these purple sweet potatoes as a prize at the state fair. Much like all sweet potato varieties, purple types need to be cured before long-term storage. Available year-round, these sweet potatoes have purple-tinted skin with a deep purple flesh that intensifies when cooked. I harvest my potatoes in the fall, eat … Once they’re settled into their new home, purple sweet potato vines will grow fairly quickly. Purple varieties aren’t as sweet as other colors, but they sure are beautiful and tasty. Horticulturist Jessica Walliser is an award-winning radio host on KDKA Radio’s “The Organic Gardeners” in Pittsburgh. Exclusive to Frieda’s, these unique Stokes Purple ® sweet potatoes have a somewhat moist, moderately starchy texture and are mildly sweet with slight floral notes. Brush off excess soil with your fingers, but do not wash or rinse the harvested tubers. You can harvest new potatoes about three weeks after flowering – dig carefully to avoid bruising tubers or damaging roots. Required fields are marked *. Updated March 30, 2020 There is no doubt that purple sweet potatoes have gained popularity—just open the pages of Eating Well, Martha Stewart Living, The Washington Post and O, The Oprah Magazine. To warm the soil, cover the planting rows with a layer of black or clear plastic (more later on how to create good planting rows). You can follow the process above and then plant the tuber in the ground or you can grow sweet potatoes from a seedling. In 2003, he was awarded these purple sweet potatoes as a prize at the state fair. Harvest the potatoes after about three to five months after planting, depending on the growth rates of the Japanese sweet potato cultivar you choose. Through its travels it developed many different names, but its real and true name is ‘Okinawan’. Growing ‘Okinawan’ sweet potatoes in U.S. climates can be done, but the variety was specifically bred for the weather that is consistent of the islands such as Okinawa and Hawaii. Sweet potato slips are produced by year-old sweet potatoes in hot beds at large specialty farms in mid to late spring. However, it is noted that ‘Okinawan’ is drier, lighter in purple color and less meaty when cooked compared to Stokes. Please let us know a convenient time to call you on, (*All time slots are available in CDT zone.). Today, they are widely grown in Hawaii and exported to the United States mainland where they are popular with Asian and Lati… Your email address will not be published. In Texas, the most common food varieties planted are Beauregard, Centennial, Jewell, and Vardaman; the most popular is Beauregard. She’s the author of five gardening books, including the Amazon-bestseller, 3 Recipes For Homemade Holiday Chicken Treats, Build This DIY Weasel Box To Keep Your Hens Safe, 6 Christmas Gift Ideas For Farmers In 2020, Recipe: Cinnamon & Sugar Brioche Is A Rich, Tender Treat, What To Do If Your Goat Has A Rare Disease. Yams and sweet potatoes have been confused for centuries, find out the difference and which one is best to plant in your garden. Harvesting Purple Sweet Potatoes… Sweet potatoes need a long growing season, at least four preferably five months of good summer heat. Your email address will not be published. Once the skins have cured, store your purple sweet potatoes in wooden or plastic crates at about 55 degrees F with 85 percent relative humidity. Consider them when planning for your veggie garden: ‘AllPurple’, ‘Purple Majesty’ or ‘Purple Passion’. Save my name, email, and website in this browser for the next time I comment. The Ultimate Purple Sweet Potato Guide. I am so thankful that I got to harvest my sweet potatoes in November while most part of our country is covered in snow! Mature Potatoes. Build 10-inch-high, berm-shaped rows by mounding the soil up, after it’s been tilled and amended with compost or well-aged manure. Often, this is 3 to 4 months from when you planted the slips (most varieties take at least 100 days to reach maturity). Tell us what you think: Leave a comment 8 people are already talking about this. They are a good source of vitamin C and contain a high level of anthocyanins—the antioxidant compound also … Mike Sizemore, who lives in Stokes County, North Carolina, is noted for discovering this variety. Purple sweet potatoes are grown in the same manner as more traditional sweet potato varieties. Harvesting Purple Potatoes. Sweet potatoes grow by forming tubers along their roots. For these reasons, the purple sweet potato growing season only runs during the summer months in most of the country. Purple sweet potatoes are fun to grow and cook with. Demystifying different types of purple sweet potatoes, one tuber at a time! The variety was unidentified and Mike began propagating it. Look for popular cultivars such as ‘Purple Passion’, ‘Molokai Purple’, ‘All Purple’, ‘Purple Delight’ and ‘Purple Knight’. They have little to no fat, 1.3 grams of fiber, 1.4 grams of protein, and only 12 grams of carbs. You can usually harvest Okinawan sweet potatoes after 120 to 180 days. As it grows, add more soil to the hill – this will give the plant extra room to grow underground and protect it from weevils. Purple sweet potatoes are poised to become as popular as kale at trendy restaurants and farmers markets, even in northern climates where they’re more challenging to grow. The purple potato made its way to Hawaii and then to the U.S. mainland. Beauregard is one of the world’s most popular sweet potatoes. There are over 400 different sweet potato varieties around the world, figure out which is best for your garden. Mike Sizemore, who lives in Stokes County, North Carolina, is noted for discovering this variety. Damaged tubers should be eaten immediately, but the rest can be placed in a single layer in a warm (80 to 85 degrees F), well-ventilated, humid room out of direct sun for eight to 10 days. It became very popular in Hawaii and was incorporated into lots of local and Hawaiian cooking. Sweet potatoes may be associated with the southern U.S., but they will grow in just about any garden. Space sweet potato slips about 12 inches apart in a row on top of the planting berm. Those roots can extend a good way from where you originally planted the sweet potato slips. In northern gardening zones, you’ll need to start your purple sweet potato crop by warming the soil for a few weeks before planting. This will cause your sweet potatoes to turn a darker color and ruin them. To harvest, use a pitchfork or digging fork to lift the tubers out of the soil. In an article for the LA Times, it is believed that Stokes Purple is possibly a variety that was introduced by Japanese sweet potato breeders who had a number of purple varieties already in the marketplace. This also allows for harvesting without having to dig up a large area in the garden. After Columbus' discoveries, they were brought to Asia, and varieties with white skin and speckled pale purple flesh were developed on the Japanese island of Okinawa. New potatoes don’t store well and should be eaten within a day or two. Do not add nitrogen-rich fertilizer to sweet potatoes, as it encourages excessive vine growth at the expense of tuber production. Don't miss your favorite shows in real time online. Curing reduces shrinkage, prolongs storage and results in a sweeter flavor due to the conversion of starches to sugars. Before planting, soak the roots of the slips in water for a few hours. The sweet potatoes that are soft should be discarded. There are several different varieties of purple sweet potatoes available from sources such as Baker Creek Heirloom Seeds, Sand Hill Preservation, Duck Creek Farms, and Southern Exposure Seed Exchange. Check to see if the sweet potatoes are done after 4-5 days. Get video instructions about kitchens, bathrooms, remodeling, flooring, painting and more. It offers high-yield and disease-resistance. Early types, like... New Potatoes. Sweet potatoes are easy to grow but they do need a few things to grow really well. Waiting too long and exposing sweet potatoes to frost will likely leave you … Hawaiian sweet potato, which is a variety called ‘Okinawan’, but is commonly called purple yam, Japanese purple potato or Japanese Sweet Potato. Sweet potatoes that have brown, red-orange, or white skin with orange or white flesh are native to Colombia and southern Central America. Let's get together. If the growing season has been good with adequate water and sunshine, harvesting sweet potatoes should begin about 100-110 days after planting depending on the variety. Usually this occurs in late September or early October before the first frost. Find solutions for sourcing organic sweet potato slips and fertilizing with naturally derived nutrients. Here are some key instructions on curing and storing sweet potatoes. Although you can harvest the occasional tuber anytime after the plants come into flower, plan to harvest your main sweet potato crop just before the first frost strikes. The first is well dug, compost rich soil, and they need drainage. 1). Planting purple sweet potatoes. This crop is intolerant to even light frosts. Sweet potatoes are typically ready for harvest 3-4 months after you put the slips on the ground once the plant has begun to wither and die back. The young potato tubers begin to form at flowering. The thing that sets purple sweet potatoes apart when it comes to their nutritional value is that they are packed with antioxidants. At … If your temperatures or humidity levels are not quite ideal, curing may take up to 2 weeks. The produce company is Frieda’s and they are organic. Unfortunately, they were awfully expensive ($3.99/lb, I believe). If you live in a cooler climate, harvest time will be shortly before the first fall frost (as early as 90 days, and as many as 120 days). If you want to try your hand at growing these colorful veggies, here’s how. You'll be happy to know sweet potatoes can be grown in containers. Finding slips online can be a challenge, but if potatoes are found it would be easy to produce slips at home. Learn when and how to harvest and cure sweet potatoes to enjoy during the winter months. Stokes Purple was discovered in 2003 and more friendly to U.S. growing conditions. Here in the South (again, I am in central NC, zone 7b), I plant my sweet potatoes in the middle of May and harvest in the middle of October or towards the end of October. In warm climates, the vines will begin to yellow and die back, but in the north, this may not happen in time for the arrival of fall’s cold weather. There are 2 main culprits to avoid once your sweet potatoes are cured. What to Avoid with Sweet Potatoes. Okinawan Sweet Potato Purple sweet potato is common in Japan and Okinawa where it is used in many sweet and savory dishes. Our experts will call you on your preferred time. Don’t wait until after your last frost date to harvest! First, you need to avoid cold temperatures. The potatoes are easy to find due to the plant’s own website (stokesfood.com) where you are able to buy them directly or locate a store nearby to purchase them. Like other types, purple sweet potatoes are best planted in hilled rows. You love to DIY. It is well known that sweet potatoes are rich in vitamins, minerals, and fiber and have good nutritional value. There is error while submitting your request. The other more recent purple sweet that has made it to the grocery is Stokes Purple sweet potato. The potatoes that are firm and moist are ready. It is possible to produce your own slipls, but takes time and planning. All rights reserved. Short on garden space? Sweet potatoes with purple flesh are from the same family as regular sweet potatoes. All rights reserved. Okinawan Sweet Potato was brought to Hawaii via Japanese and Okinawan immigrants during the sugar plantation era of the 1800s. However, since the plant is patented, this means only those that have a license can produce it; so finding slips for home gardeners isnearly impossible. Please try again. As your plants grow, you can harvest and eat the tender sweet potato vine tips. Again no peeling necessary. Curing Purple Sweet Potatoes. When to Harvest Purple Potatoes Growing Time. If they're still soft after your first check, let them cure for a few more days and try again. It has been years…. They require about 100 to 120 days to mature, which is why sweet potatoes produce so well in the long, hot summers of the southern U.S. If you’d like, you can mulch newly planted slips with straw, untreated grass clippings or shredded leaves, but if you’re using the plastic, there’s no need to add extra mulch. How to plant. The part we eat is the tuberous root of a vining plant that is closely related to morning glories (Ipomoea tricolor) and youll easily see the similarity in leaves to the sweet potato vines we now grow as ornamentals. In all possibility, Stokes Purple could be ‘Okinawan’, but without genetic testing it is truly impossible to know. Purple potatoes, also known as Peruvian purple potatoes, have naturally purple or deep blue skin and flesh, and are unusually high in antioxidants which makes them super healthful. There’s not much to do in terms of maintenance other than to keep the deer out of the potato patch (sweet potato vines are one of their favorites) and make sure the vines receive about 1 inch of water per week. It is noted that the first purple sweet potato was bred by the Japanese and grown specifically on Okinawa, hence its name. Although not grown in the same quantities as the African yams, it has the largest distribution worldwide of any cultivated yam, being grown in Asia, the Pacific islands, Africa, and the West Indies. Learn the basics about growing sweet potatoes and their origin. They usually come in bundles of 25, which is … The bag you see pictured was purchased at Trader Joe’s in Manhattan Beach, CA (Los Angeles). When the sweet potatoes are finished, they should be slightly moist and significantly more firm. Whether it is an edible or ornamental sweet potato, flowers are not usually part of the equation. © 2020 Discovery or its subsidiaries and affiliates. Because the sweet potatoes can form a good distance from the plant, work from the outer edges of the berm in toward the center. A good rule of thumb is to watch for the first signs of yellowing leaves. I roasted or bake the purple spuds in a 375 degree oven until done through. The plastic should be in place for two to four weeks before planting. D. alata, called "white yam", winged yam, water yam, and purple yam (not to be confused with the Okinawan purple "yam", which is a sweet potato), was first cultivated in Southeast Asia. Available from late August through late spring, the Stokes Purple® sweet potatoes, with a purple-tinted skin and bold purple flesh, have a drier, denser texture, and better-balanced sweetness than their orange counterparts. In warmer climates, it’s easier to tell when purple sweet potatoes are ready to harvest because their vines will yellow and die back. Usually, sweet potatoes are ready to harvest when the leaves and ends of the vines have started turning yellow, but you can leave them in the ground up until the fall frost. Purple-fleshed sweet potatoes need a long, warm season to produce a good crop, but the starchy, deep-purple roots of varieties such as ‘Violetta’ and ‘All Purple’ are worth the wait. Their unique colors come from natural anthocyanin pigments; some Peruvian potatoes are naturally purple, while others are bred for deeper shades.

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