A gallon (4 l) pot will grow a single plant and the yield should be nearly as good as growing in the ground, as long as you keep the plants well watered. Kept in a cool, dark location, they're always on ha… Depending on the type of potato you are growing, you’ll have crops from May to October. I am very surprised at how big they are, it certainly looks as though you have found an onion suited for your gardens. I will be planting yellow potato onions and just want to make sure I am doing this correctly. Globe onions are an essential ingredient in most soups, stews and main dishes. Currently up to 15-20 bulbs which I planted 1 week ago. From what I have read they will grow from 2 to 3 feet tall. Wait for the green foliage to fall over if there are no flowers. They are grown commercially in Brazil and India (Fritsch 2003). They’re quite easy since you overwinter them in the garden; no seed starting or set planting in the spring and they take up a little less space than regular onions since they multiply from the main bulb. Vines will either die back naturally or, to spur harvest, you can break off the stems at ground level to stop growth. But I like the idea of fall-planting these! This helps to ensure that unwanted mutations aren’t creeping in. Because they grow in a nest that must be divided, they are not as suitable for mechanical harvest as individual standard onions. Green onions (new leaves) can be harvested fall, winter, and spring. I’m not sure if you can eat the flower stalk (like garlic scapes). POTATO ONIONS (PKT 6) ORGANIC: Allium cepa: Member $9.95 Non-Member $12.95. Their size is just right for seasoning a lot of dishes, and … Potato onions are often first planted in spring, and harvested in fall. You may see some plants that flower normally and set seed, some that cannot be persuaded to flower at all, some that produce rare bulblets among the flowers, or even varieties that replace flowers entirely with bulblets. Potato Onions can be fall planted in milder areas with no especial care. fran, I’ve just seen these in an Australian plant and seed catalogue and I’m thinking they might be a major goer. The bread finishes with a crisp, brown exterior crust and a flavorful, moist interior that helps the bread keep longer. Not sure if they’re selling them yet, they might not be till fall since they’re fall planted. :), Reply to Jessie – Rabid Little Hippy's comment, […] I just purchased a quart of shallots and planted them. Onions are vulnerable to a lot of viral diseases that usually don’t kill the plant but do reduce yield. This is when they are at their best, but you don’t have to harvest them all. Heirloom potato onions enjoyed widespread popularity before the turn of the century. I cut the stalk before it turned into seed, afraid it would ruin the onions (like regular ones) but after harvesting, I realized the stalk came up the middle, not out of an onion (like hardneck garlic scapes do). When a large bulb (3 to 4″) is planted, it will produce approximately 10 to 12 bulbs per cluster. I also have Egyptian walking onions and perennial potato onions growing in the garden. One possible reason for this is the additional labor involved in harvesting potato onions. Tradition dictates that potato onions are planted on the shortest day of the year (around June 21) and harvested on the longest day (around December 21), to be honest I think this only matters in some climates. (??) This is usually 100 to 120 days after planting, depending on the cultivar. Quick Guide to Growing Onions. Potato onions are grown as a home or small farm product in Europe, North America, and parts of Russia and central Asia. Pull up the onions if you plant to use them right away. Mine have only flowered twice in probably 10 years or so. Potato onions can increase 3- to 8- fold by weight each year depending on growing conditions. Whether you grow vegetables in a few grow bags or pots on your deck, or tend to a backyard vegetable patch, or have invested in a full-sized garden, growing some or all of your vegetables is an important way to safeguard the food security and health of your household. I like having a range of sizes to use and, as Bill says, keep the most excellent for planting to propagate. Part of a planned series. I wonder if an ‘ideal’ variety would have a standard size? Where to Grow Onions. The perennial scallions are useful between the time when I thin regular onions and when the regular onions are ready to harvest for storage. And a guy from work gave me a handful of the Walking Onions. I mixed half and half Miricial Grow and soil. I will be moving to Ohio when ever my home here sells. The research I’m talking about can be read here http://turkeysong.wordpress.com/2012/03/14/402/ I would plant some in the fall and some in the winter to see what happens for a few years until you gain more confidence to plant in the fall every year, but I think it will be Ok. Are you planting the Yellow potato onions? It works out well for us. She grows lots of salad stuff. aggregatum) is a member of the onion family that reproduces primarily by division of bulbs, rather than by seed. In the past I have only grown onions from sets. […] This post was mentioned on Twitter by mark mile, Susy Morris. That was last August. I have been growing potato onions for about 8 years now and they are by far the most successful onion for me to grow. You can improve seed set by cutting a few flower heads and brushing them against the undersides. I ordered some potato onions and garlic bulbs from Southern Exposure earlier this summer. It is best not to plant in the same place for too long. If you ask a roomful of good cooks what vegetable they consider indispensible, many will name the onion. i’l probably plant about a quarter of them and eat the rest. This can be useful if you want to produce seed, but the flower stalks are best removed if you don’t want seed, as they tend to reduce bulb size. I live at 380 metres in northern Tasmania. :). The bulbs themselves are much larger than shallots and are easy to peel and prepare for … You know the one about an onion absorbing all bad things from the air almost immediately it is cut. If your potato onions flower, you might try collecting some seed to grow new plants. While I was there this summer I got some starts from him, just the bulbs. Like shallots, potato onions grow in productive clumps. I plan on staking a couple of them so they will not break over just to see how the tops grow. These bulbs of various sizes may be used for eating, storing, or replanting. However, the literature and experience show that they can be planted almost anytime between fall and late spring and still mature a crop. Thanks for the post. They do well in our sandy soil and also are not eaten by deer or rabbits. Potato onions are larger, divide into fewer bulbs, and remain enclosed within the skin of the seed bulb longer (Fritsch 2002). Now the stem is about 36 inches tall. Some crossing will still occur at this distance, but I’m assuming that ninety percent purity is sufficient. They were yellow ones. What can I do. This means that potatoes are related to … Storage Potato onions, shallots and garlic store very well over the winter provided that they are well-cured, dry, well-ventilated, and not packed over 4 in. The dormancy period of potato onions is eight to ten weeks, although this can be extended substantially with cool, dry storage conditions. They are one of my few crops that really liked our long, wet cool May & June. Yep, that is pretty much the only thing that makes them different from other onions. Starting potato onion seed is no different than starting other onion seeds. I have never grown potato onions but after seeing yours I want to. If you’re worried about them during the winter, mulch well and that will help. For the latest information about Susy and her adventrures, visit the Cultivate Simple site.Thank you for all your support over the years! This also helps to break dormancy. My main concern for planting is I harvested early because our weather has been mild and I was afraid they wouldn’t last until the fall. Much larger than the old stock of Yellow Potato Onions. It’s my first crop in Southeast Alaska and I am seeing 8-12 bulbs growing out of each bulb I planted! You may notice that the size of your onions decreases over time. A great example is the potato or multiplier onion – Allium cepa var. I don’t let them go to seed, harvesting them when they begin to look a bit wilted and the size is right. Potato onions store better than most seed onions, and individual bulbs can be grown in flower pots to produce a steady supply of green onions during the winter. With any clonally propagated crop, I always replant the best. Fall planting gives a bit of a head start but, in some cases, can trigger flowering. Potato onions range from about half an inch to two inches (1.2 to 5 cm) in diameter, although some newer varieties produce larger bulbs. We used to live in a small suburban neighborhood Ohio but moved to 153 acres in Liberty, Maine in 2012. If you are lucky enough to have space within your garden for a vegetable plot, one of the first things to consider is growing your own potatoes and onions. They are literally growing on top of the soil and on top of one another in big exposed clumps. I think I’ll try them next year! During that period they increase, on average, fivefold. The more people growing them the better. Last year I bought a little 6″ container of storage onion sets, but I grew so tired of transplanting those little hairlike things that I started planting clumps together. There are a few short day or day neutral varieties grown in the South. Question on my Potato Onion. This is often a result of virus burden. More small than large bulbs, but delicious flavor. I am a Certifieds Organic grower of 2 types of multiplying onion and the Harvey Wilson multiplying leek that because of me is now growing all across the southeast. I have grown the (Egyptian) onion that gets the set seeds at the top. Usually, they will sprout in the fall, but the bulb quality remains pretty good all the way through the winter. … Although potato onions and shallots have just enough differences to represent two families of cultivars, the exact dividing line between the two is hard to place. They must be pretty tough to survive your winters. I bought my Potato Onions on e-bay. The ones I had planted in the back garden didn’t grow as large as on the ones in the front garden. When a small bulb (3/4″) is planted, it will usually produce one or two larger bulbs. Like most people, I originally started growing potato onions from little bulbs. Potato onions help you to live the dream of a care free food forest. I grow shallots & regular red / brown onions; all store well but I find the shallots store the best for me here in the UK. Onions are perhaps the most familiar vegetable with photoperiod dependencies. In addition to being hot, it's pretty humid,... Tweets that mention growing and harvesting potato onions | Chiot's Run -- Topsy.com, http://www.southernexposure.com/Merchant2/merchant.mvc?Screen=CTGY&Category_Code=ONION, http://turkeysong.wordpress.com/2011/06/16/potato-onions/, http://turkeysong.wordpress.com/2012/03/14/402/, https://sites.google.com/site/kellysgarden/potato-onions. The golden potato onion is apparently the original pickling onion, it pickles very well and has a great crunch. For an easy perennial onion patch, grow potato onions. Please follow up with the results of your taste test. Still, they seem to be more efficient with the flowers on the top side of each flower head. where can I get bulbs for seed. I’ll let ’em go next time. Have a try and let us know what you reckon. Does anyone know how early they can be planted in SC??? Curious that they went to seed. I'm not familiar with potato onions. Once the onions have bulbed, you can harvest them at any time. The person who gave them to me says they’re better to plant in spring than overwintering in the garden. I’m not sure that it really matters, but my rule of thumb is “replant your best.” With clonal crops, you have the possibilities of both somatic mutations and disease, both of which can be responsible for reducing size and yield. I see a lot of pollinator interest in potato onions, mostly honey bees and hover flies. This is a daily journal of my efforts to cultivate a more simple life, through local eating, gardening and so many other things. Bush beans and peas work well planted among onions. I love my multiplying onions. I harvested mine in late May/early June (everything was early here this year) so I was hoping they’d last until fall planting. You can snip the new leaves as green onions. Scatter seeds and press into the surface of the soil. My brother planted 6 3 years ago and his bed is not 10 feet by 3 feet and he lived in Eagar Az at 7,000 foot elevation. Oh, and it really does make a difference to plant small onions for larger ones and larger onions to make smaller ones. Heather: Potato onions are very hardy and have been traditionally fall or winter planted in the South. No need to cover unless you are having problems with critters getting at them. Don’t store your onions in colder conditions, particularly not in the refrigerator. Wait until late in the season and take only what you need, carefully resetting the plant so the smaller tubers have a chance to … Evaluation of USDA Andean Potato Accessions, A Change to Our International Shipping Policy (Again), Crossing Between Solanum maglia and Domesticated Diploid Potatoes (Part 2), Potato Viruses in Certified and Non-certified Tubers, Crossing Between Solanum maglia and Domesticated Diploid Potatoes (Part 1), The Practicality of Diploid Potatoes in North America, Potato: What You Should Know About Potato Fruits, Potato Ploidy and Endosperm Balance Number, Top 10 Beginner Mistakes with True Potato Seeds (TPS), USDA Zones for Andean Root and Tuber Crops, Book Review: Pandora’s Potatoes – The Worst GMOs, Jerusalem Artichoke (Helianthus tuberosus) and Relatives, Yacon (Smallanthus sonchifolius) and Relatives. they are winter hardy here in north eastern Illinois. I don’t understand the discrepancy between that experience and the older accounts. I think that there is a lot of exciting potential here. Onions don’t mind a soil that is a little bit sandy, this allows the bulbs to expand in the dirt easier. I’m guessing these are called potato onions due to how the grow and not how they taste. You may find that you get something really good. In areas where the fall is cool, but without frost, soil temperature will dictate when to pick potatoes. One of the things I liked about them was that they were quite beautiful in the garden this spring when they’re growing vigorously. Onions are a cool-season crop, hardy to frost and light freezes, although … Again, thanks for the help. In short, you can get lots of different types of both annual and perennial onions by allowing wide crossing between types. There is not an easy way to propagate potato onions by cuttings. I’ve got one which appears to like making nests of uniform-sized 2″ diameter bulbs. Almost a lost variety, with flavor stronger than shallots, they can substitute for regular onions. I didn’t have a whole lot of luck with growing onions from seed this year (only 16 survived out of the 144 I planted!). Once the onions have bulbed, you can harvest them at any time. Boy are they tasty! We already ate the big ones so I’ll just be planting littler ones this time. Onion seeds have a short storage life; germination declines quickly after a year when they are held at room temperature. The earliest clear records of their use come from 12th century France (Fritsch 2003). The bulbs are warmed in 104 to 107° F (40 to 42 C) water for one hour (Heinonen 2014) before planting. I do know they are Potato Onions cause I got them from my brother, they were clumpt together like the ones I have seen in photos. (I just weighed mine and I planted 8 oz in the fall and harvested almost 3 lbs worth of onions) They are also known as nesting onions or multiplier onions. However, potato onions are becoming increasingly rare and now only a few companies sell the bulbs. I have a fairly extensive blog post about my experience with them here http://turkeysong.wordpress.com/2011/06/16/potato-onions/ If anyone out there has other varieties that they would be willing to trade or something, please contact me. Heat treatment can be used to prevent varieties from flowering. When a large bulb (3 to 4″) is planted, it will produce approximately 10 to 12 bulbs per cluster. They’re great as greens in the fall, and now bulbs in the late summer. Potato onions are closely related to shallots, which are also A. cepa var. The most reliable way to force potato onions to go to seed is by planting them in early fall and allowing them to overwinter. We have sold our expected yield. If you can grow onions at all, then you can almost certainly grow potato onions. Your email address will not be published. Lift them gently when the tops have died down, and put them to cure on racks with fans. I am a first-time grower and live in San Mateo, CA, Zone 10a. Keep the soil moist until the seeds have germinated. Should I be covering them with dirt as they grow up and out? If you allow different varieties of potato onions to cross, then you will obtain new varieties with new characteristics. Potatoes, onions, garlic, and sweet potatoes are nutrient … Potato Onions are versatile; you can harvest leaf growth in early spring to use as “spring greens.” While the mature bulbs keep extremely well and can be stored in the home through the winter months until they are needed for cooking. I saved several to replant this fall. The potato onion (Allium cepa var. They were grown in Finland commonly until the middle of the twentieth century and 22 varieties have been identified there (Heinonen 2014). I could only find them listed 3,000 miles away and they were sold out … :(, Now that I’ve seen yours, I’ll keep trying! We had a VERY mild winter in SC don’t know if that had anything to do with it. Onion fly can be a problem, but is typically only a serious threat to seedlings. All varieties are hybrids, so they will not grow true from seed. This year I was trying to get them to flower on purpose, but in general, I think their reluctance to flower is an asset that should be retained in breeding. Many old sources say that potato onions do not keep well. Both of them were purchased from Southern Exposure in the fall of 2009. Last year we had tons of peas. Another great thing about globe onions is their long shelf life. The ones in the front garden are the largest onions I’ve ever grown here at Chiot’s Run. Nearly every gardener grew potato onions and they were available in yellow, white, and reddish-brown varieties, the yellow being most common. 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