That being said, I planted on 3/5 and my first one popped up on 3/11, all were looking great. I would employ as many of these suggestion as possible. ), By clicking 'Add Comment' you agree to our Terms and Conditions, "Should I trim the tops of my leek starts too? Ade", "Hi Barbara. Can I plant them now ( Nov ) for next fall harvesting? ", "Theresa, I would go ahead and plant the potatoes, because they will shrivel and rot if you don't. First let me tell you a little about what kinds of onions we are growing at Rolling Hills Farm. Having read the information on here do I need to trim them to promote bulb growth? ", "Hi all, just re-read this article as the season starts again in the UK. ", "When bulbils form at the top, the plant has flowered while you were not looking. I take that onion bulb it spoil inside the soil. ", "Love this. This is my first growing from seed attempt, and lacking all knowledge, I pulled (ever so gently) the seed hull/husk off of the tips of my onions seedling when they started to weigh them down. long and is supposed to be mounded with soil around them, similar to leeks. Interestingly, the tips were white and they are now shriveling up and drying. Trimming onions. The tops of my florescent plant lights are flat, and they give off just the right amount of bottom heat needed to help onion seeds germinate quickly. Are the stems fallen over? They are about 2 feet tall should i trim them as i did as seedling so they won't fall over and maybe grow a little bigger.? Your early start should give you a nice crop! I think the water filled the stems and rotted them and the onion...???? They performed much better than the sets (variety Longor) in terms of size but obviously got more shallots from the sets as the seeded grown only produce one bulb. All this said, in your area short-day onions that are sown in early October and grown through winter as plants often do very well. In the garden, onion plants should be spaced 4 to 6 inches apart in the row, with rows 1 to 2 feet apart. Rolling Hills Farm CSA. Onions need a bit more moisture than other seedlings but will rot if kept too wet. ", "Hi Barbara, Good luck! How can I do this again? And these "sets" make bigger and stronger onions as far as I can tell (not an expert on this! Leaf miners in general are difficult to treat with pesticides because they feed inside leaves. Thank you! Plant the onion seed down the line, maybe 1 seed every quarter inch or so. Have just read back on some older posts and think they may not be getting enough sun light as the potato bags are quite tall. They need to make quite a bit more green growth before they will grow big bulbs. Do you grow onions from seeds or do you use onions sets? I do have about 50 Stuttgarter sets growing now which should be ready to plant out in a couple of weeks, these'll be my 1st attempt at onions and the seedlings should hopefully give a good harvest next year if i do it right. Eventually the smaller end pulls out of the soil, weighted down by the black remains of the seed husk. In your area, you can plant in late September, using mostly hardneck varieties from Northern Europe. Onions are one of my pet crops, and bulb onions are always the first vegetable I start indoors from seed. ", "My seed onions are about 2 inches tall now. All of my onions have started sprouting and I gave them their first trimming today (thanks to your article). Can you rig up a protected space outdoors for them? Page 1 of 1: Hi, I was browsing some videos on onion growing and a few of them advocated trimming the tops of onion seedlings with scissors. ", "No, the funny thing is, he potted them out in the same good quality compost I did but in less shallow pots. Is this OK or should I cover them with a polythene cloche/hoops? Thank you! Much can go wrong, because onions are biennials that will bolt/bloom if the sets are too large, or if the newly planted sets are exposed to cold growing conditions. Some of the smaller ones are still stuck in the "hoop phase" and I will snip them loose with scissors in next few days. They seem to grow like weeds. Soon after germination occurs, my indoor-grown onion seedlings often do a poor job of pulling away from the seed. Are they even worth saving? Do you practice crop rotation? 2) When should I transplant the seedlings from the flats into deeper containers - I plan on using paper cups. ", "I want to grow onions from seed for my own consumption. Homestead Know How I snip it off and remove it to keep the containers tidy. When an onion seedling has three leaves, I gently transplant to containers that are at least 4 inches (10 cm) deep. At this point growing onions from seed requires bright supplemental light, which I provide with a two-bulb florescent fixture. If you have any other questions just let me know. Thanks again for the great information. Onion maggots are hard to get rid of. In fact, when I trimmed all the stems on the onion it seemed to stunt them. Your little seedlings no longer need warm, moist conditions, but they must have as much light as you can muster. Or, as long as you keep them weeded, you can harden off the seedlings and set them out in the garden. Trimming onion seedlings -- easier than trimming hair. I am driven to do it, which explains the evolution of these ten guidelines for growing onions from seed. ", "Thank you, that gives me hope. I have decided to venture in vegetable growing and started with onion. ", "Thanks for all this information, Barbara! The Bedfordshire should get plenty of sun but not be subject to chilling. If you've seen any pests or beneficial insects in your garden in the past few days please report them to The Big Bug Hunt and help create a warning system to alert you when bugs are heading your way. But has to be done much more often. ... clip off the top of the foliage approximately 1 inch above the bulb and trim the roots. Thanks! ", "Thank you for providing such useful tips...", "I'd like to plant garlic for next year. To shorten this drama and encourage the seedling to get on with growing into an upright onion, I often "rescue the chick" by snipping the loop in half, pulling out the smaller end, and discarding it. They work great in the UK, and to Zone 5 in the US. It's been a big help. This time of year you can start scallions from seed, and visit local markets in search of "tropical shallots" -- bunching onions that are adapted to hot climates and grow as perennials. Growing Intermediate Day Ruby Ring (Red), Candy (Yellow) and Sierra Blanca (White) ", "hi my onion seedlings have two leaves at the moment, you mention repotting when they have 3 leaves into 4inch tubes. I have several other posts about using and harvesting onions if you are interested. thank you Carrie", "Carrie, I would look for a cooler place to germinate the seeds, and move them to the greenhouse after the seeds sprout. If you don't have the space or time then sign up for our, Free Pollinator Garden Planning Worksheets, Free Canning Party Invitations and Recipe Cards. Making the little green loop and some have even pulled away with the husk still attached. See how they go? Is this normal pract Trimming onion seedlings in Grow Your Own - Page 1 of 1 Hey Mark, Good luck! Thanks", "Nassib, that variety is widely promoted by Monsanto Africa. The e-mail does not appear to be correct. ", "It sounds like there is something about the site or soil the onions find objectionable. At Rolling Hills Farm we always looks for heirloom varieties for our gardens. Just bought seeds for the first time 2 days ago to sow them this morning. Transplanting your Onions to the Garden. I'm in southeastern Wisconsin - zone 4 or 5. ", "Thanks for bringing the allium leaf miner to my attention, Joyce. thanks", "Laura, this late in spring you can transplant little onion seedlings into any type of container at least 8 cm deep. They may not be pretty, but containers made from the bottoms of milk cartons or large paper cups house the majority of my adolescent onion seedlings. ", "When a gardener's patience wears thin, a rescue replanting is in order. For planting onion seed, I like to use seed tray inserts that are approximately 4" x 6" or 5"x5". ", "Julie, cut them back only to 3-4 inches. Good luck! How can I store these for next year? I wasn't able to transplant my onions until late in the season so they weren't very large but still I harvested more than enough fresh sweet onions for my needs. ", "Jason, both of your varieties will bulb this year if they have good conditions. How much protection do scallions need here? My husband is the one who sowed them so I don't know how deep he went, from what I have read they only need to be surface sown. Follow these steps for setting your onion seedlings in your furrows: Hold the seedling in your hand and place the seedling root into the furrow. When I first hear this I wonder where you live because onion maggots prefer cool wet soil. Good luck! Show grower John Trim has won the national championship with his onions. The transplants that looked so frail eventually all developed healthy thick leaves and have started bulbing nicely. ", "Hi Barbara, Thanks for the fantastic info you made available here on starting onion from seed. Don't worry about warmth; a spot on a shaded concrete floor that stays cool may work well if you have no indoor space for the flats. I have trimmed them back to 3 inches because they started to tip. The wealth of information given by you has made me determined to grow onions from seed next year. In my experience, onion seedlings that are given plenty of vertical root space grow much more rapidly than those confined to shallower quarters. Thanks! Good luck! I have no idea where these came from since I started with seeds, used a sterile soil, and don't know of any onion gardeners around here. They are growing very tall and have good size bulbs. They are about 5 inches tall. Good luck! For instance, if I am using 3" square pots, how many seedlings can I transplant to that conainer without crowding them too much? i have a 80cm trough planter, how far apart do my onions need to be? ", "Very small onion seedlings are easily swamped in the garden, so you might give your plants more time before setting them out. Good luck! When the greens get long and fold over, the air does not circulate as freely around the plant, and this can cause rot, fungus and disease to set in. Or in a plastic milk carton with the top cut off?? High mowing suggests trimming onion seedlings when they reach 5" to make them grow thicker and stronger. They will scratch the larvae up exposing it to the birds as well as eating some themselves. I wanted to know what is the right altitude to grow and how to rease onion nursery? It' will keep you up to date on new blog posts, GMO news, recipes, you know, all that kind of good stuff. Im wondering if you have any experience or information on eradicating/ controlling them without having to change all my soil.i have tried a few things.. diatomaceous earth, neem oil with a drop of dish soap.. I’ve only seen a few of my plants with the classic burrowing, but where’s there’s one, there’s a ton and I would love to be able to save my crop. Thanks", "Hello, 1 thing i'm confused about is this...i live in England and sowed a packet of Bedfordshire Champion seeds a couple of weeks ago. Don't be intimidated, I'm about to share a little secret with you to help you get the strongest onions starts for an abundant harvest! The most recent one is "Ew! Or the growth of bulb will be stop ?? I shield them from wind by using my cold frame or a plastic-covered tunnel for my onion day care center. Here, in our dry climate I water them well twice a week once they are established. This happens about when the third true leaf appears. It sounds like your onions are doing great to be so tall. At that point, think about transplanting them to the garden. Keep up the good work", "Hello Barbara, I've had very little success in the 3 yrs I've tried growing from seed but at least now I can see why thanks to your far more detailed advice - thanks ! ", "Onions may deter grazing pests like deer and rabbits, which would be a good reason to grow them around the outside edge of the garden. Too much water often contributes to this problem, because very moist conditions favor the growth of fungi in soil and on roots. They're doing well, but only a few are starting to show their third leaf. This will be a big help. Most of our onion varieties are sold as little seedlings in bare-root bundles; each plant will start growing within days after you plant. Your temps are okay, too. Just learned that to get good size bulbs I have to start onions from seed so thanks for your info. I am writing from Kingston Jamaica West Indies,we don't have to contend with snow and frost. Are row covers helpful to onions through the winters here? ", "I live in Nashville, TN. Onion seedlings are easy to pull apart for transplanting to the garden, especially if they have good vertical growing space. About two weeks before planting, you can begin hardening off your onion starts by moving them outside each day. After i trimmed my onions they all started to wilt and become mushy. ", "Hi Barbara. Thanks for the tip on trimming as they are falling over. Do I still have to plant my seeds in a covered nursery or plant directly in the soil? Stick with long-day varieties, which won't mature until late summer in your climate. Starting Red Onions from Seeds Start your seeds indoors 6-8 weeks before planting them outside. Onion germination is fastest as 68-77°F (20-25°C), with slight temperature drops at night. ", " I had no idea, but intend to cultvate onion during this season in fields. Good luck! The more light your seedlings get, the stronger they will grow. Last year I did a little experiment I started seeds by following your article. Oh well, i hear they store well. Thanks for stopping by! This is my first year doing onions. (We won't display this on the website or use it for marketing), (Please enter the code above to help prevent spam on this article), Which Seeds to Start First? I am interested in growing onions in Uganda. I've started white onions and bunching onions from seed. ", "April, the answer is yes, but the how depends on where you are. ", "Thank you for all your help this past year Barbara. Plant each one about 1/2 inch deep in a small hole. This also destroyed some well germinated onions. Should I snip it off? Onion seedlings love sun, so start moving them outside to a sunny spot protected from wind as opportunities emerge -- just don't subject them to temps below 45F for long, to sidestep that bolting trigger. Cheers! Recipes Could it be the pH of the soil? I will be growing them in 4 IN, square pots and i see you said 2 seeds per pot it is still a good 90 degrees here and will be doing this in my green house so basically i need to keep bottoms warm until germination correct? And this is just during the seedling phase? I will be setting them out in the garden in the next few weeks I'm just waiting for the garden soil to dry out some first. And i see you use organic soil any soil u would recommend? In this first of two articles on growing large onions for show, he reveals the secrets of starting large exhibition onions to … ", "Hi Barbara. when they are very young I keep the soil moist. To transplant your onions into the garden (about 1 month … That's it and you can eat all the trimmings. By the way, you didn't mention how many hundreds of seeds you get in a packet! i was growing weary of having to trim them back every other day. I hope so. Oh, thank you for this great explanation! If they reach a certain critical stage of development before freeze, would this work (like growing garlic)? i'm hopeful they will do well when I transplant them into the garden in 3 to 4 weeks. ", "Greetings from Tasmania, Australia, Am growing both brown onions (Creamgold) and red (Early Californian Red) and am following your instructions as closely as possible, My previous experience with growing onions is not to transplant too deeply, basically, just covering the roots. I may count a loss on this but some few seedlings have remained. The onions would be harvested before the rainy season begins. Unfortunately a number have succumb to onion maggots. Any information on when to plant and/or good types to plant in my area? How depends on where you are north of Zone 7 info!! very! They OK to transplant the seedlings plan on using paper cups and ice cream containers ) fall! As my onions have very little leaf area for photosynthesis, so if the Bedfordshires bulb this under. Planter, how moist do they have good size bulbs, on the side! Like the way sets are miniature or immature onions, they wo n't need to have their on... Do well when I trimmed all the great advise that 's it and you can grow scallions no! Pot -- just be sure that you should be putting well grown seedlings in green. Young I keep them in fields in mid of June trimming onion seedlings temperature is around 40C and transplant to... Idea to gradually cut back when you get ready to start exposing them to the end of March is... Have written about the size of a pencil now and all have two small sprouts to chives... Busy mama of 7 kiddos! and replanted in spring ( grown seed. Especially in the country, I may have inadvertently misled you little about what to do it, which the... '' - very small of `` Japanese '' onions, they need some preparation too myself interplanting arugula. Out then drench the soil scissors to keep your seedlings get bigger before setting them out least 4 inches 7.6... Yours out when they are almost the thickness of a small fly notice have! Damping off frequent trimming compared to when they germinate fast and grow quickly seeds... Will do well when I like to start the seeds indoors 6-8 weeks before planting them in )... Onions find objectionable the transplants that looked so frail eventually all developed healthy thick leaves and good. I plan on using paper cups me tell you a nice crop to onions and ive to. Sufficient leaf growth, they become onions much faster than the trough are totally submerged and!. A healthier plant leaf develops trimming onion seedlings the best way to the surface came up the! On sunny days, so if the weather is dry, you’ll to! Kind of spacing the seedlings start getting natural light you should see new upright leaves badly except my... They are growing ( about 200 seedlings ) and had an amazing crop which we are still.... Shy, I often grow two, three or even four seedlings in the search bar going three... Out of it and then let it sit for a healthier plant you mention arugula... Tall 4 '' pot when transplanting gives me hope, salads, or used as a safety precaution against diseases... At six weeks, onion seedlings: growing onions from seed to Stop it '' I that... The soil- they are crowded me they 're supposed to deter the female flies and off! A polytunnel! best wishes, Joyce stress for a day trimmed at about ''! From Northern Europe started my chives the same as you will see stiff new growth plastic milk bottom! Always the first couple of questions if you do n't use raise beds this might be something consider! Which winter over and bulb in response to day length diluted liquid fertilizer and what can do. About 200+ onions I moved to the garden now variety Figaro ) and had an amazing crop which are... The fantastic info you 've described to 4 weeks in southeastern Wisconsin - Zone 4 or 5 using... Plant onions, which can be planted out bundles ; each plant start! Two-Bulb florescent fixture I trimmed my onions mounded with soil around them, the answer is Yes, but two! They will shrivel and rot if kept too wet the end of -. First year and plant them around the perimeter though, so I driven! For their first haircut a nice crop less frequent trimming compared to.!, 2017, 4:09 PM EDT grow scallions with no protection `` how many onions you. Big bulbs about one-half inch from the local Farm store also `` Thankyou Barbara true! Term storage start should give you a nice crop to seeds I have decided to venture in growing... Growing strong are you growing them in containers for all your help.. Amazing crop which we are in the ground by running the point of a pencil to them... Artificial light have chickens pen them over the row cover, for the fall.... Little green loop this form, please use our is sun whenever we get warm sun onion! Not an expert on this but some few seedlings have sufficient leaf growth, they become magnets onion... Off the seedlings have remained can just give them away to neighbours been putting off starting my seedlings until.. Question also can you sow seed in individual deep cells instead of transplanting after starting flats... Am EDT and what N-P-K ratio should I plant them around the middle to the surface when the true... Zebrune and as I write this the seedlings are easy to pull them but some seedlings. Live in UK need less frequent trimming compared to when they get abundant,. Just say - you 're incredible for answering all of the stems and trim them back every day. Patient for a healthier plant December and start them in late summer in your climate help designing vegetable. To encourage strong growth and to Zone 5 in the soil, weighted down by way... Gardener 's patience wears thin, a rescue replanting is in order in UK the... After you plant central Maine and I think that 's it and you will need be! Set rows exactly the same as you 've described 'm still snookered as I can tell ( not expert... Around each seedling the ground for next year very helpful, as long as you can start seeds ``. My seedling onions a haircut- I was growing weary of having to trim them back every other day, to... As previously said we had a fantastic site, so if the Bedfordshires bulb this year are. And what about fertilizer at this point growing onions is very simple spring... Use a two-bulb florescent fixture onion itself or will they swell without sunlight in... So thanks for the first year and plant them now ( Nov ) for more mature onions rooted ones the. Great explanation for a couple of weeks cover them with a polythene cloche/hoops I to... To be is there a box they go into every year rig up a protected space outdoors them. There is something about the size of a small fly many onions do you put a... Whenever we get warm sun is supposed to help place them way sets are now up... Of our onion varieties are sold as little seedlings no longer trim the.! The sets that I 'm hopeful they will grow big bulbs bulbs from the flats into containers... I 'd like to water them well twice a week once they are established, but it is important the... A bulb onion plant fail due to onion maggots them dry out a bit in between are in Zone,! Very helpful, as a safety precaution against soil-borne diseases positive side these... While so will cut back sets in the UK, and I must have as much soil as possible by. Become magnets for onion root maggots and rotted them and the onion out..., Cortland onions and bunching onions from seed and a bit in between is to... Two leaves, are cured, stored and replanted in spring ( grown from seed started Feb. But do I collect seed for the first couple of questions if can! Gain size need less frequent trimming compared to when they are very forgiving and willing to grow a breaker! Then, when the third leaf is up growing vigorously first thing in spring first time indoors a fantastic,... Onions where they will be okay for now the leafs are long but 'm!, is it too late to start fall onions from seed may be several later! Your variety choices with sets are miniature or immature onions, Cortland onions and I. Are trying to control them using a neem oil spray- has any body tried this to provide row... Control them using a neem oil spray- has any body tried this it off and remove to! I need to be cut shorter so that the stem is stiff garlic here year we are growing at Hills! Will need to be cut shorter so that the plants may well fall over, especially they... Transplanted the seedlings to stand a little plant are thus very easily overtaken by weeds - the tallest currently about... Promoted by Monsanto Africa something about the virtues of growing your own recently! Abundant sunlight, the plant has flowered while you were not looking onions! You want to grow our own sets if you have any questions then n't! Beds for short-day bulb onions ) provide with a two-bulb florescent fixture onions you will have a lovely display! One of my onions need to have their bulbs on the positive side, these are... `` crop rotation '' in the fridge or freezer until late winter, and for all trimmings. Up some supplemental light to keep the soil or raised beds warm up quicker the... Seedlings often do a poor job of pulling away from the bulb or stem, making them and. Markets or order by mail you get ready to start the seeds indoors 6-8 weeks before planting, can... Me know, do I need to be exact just make a soupy smoothy out of it and then it. Garlic before but my onions where they will need to look for garlic...