Sprouted broccoli seeds are very very nutritious. The seedlings won’t grow well if the soil is too dry or too wet, and improper watering can lead to problems down the road. Dump out any that hasn’t be absorbed after 20 minutes. Step 6: Cover the tray – Place the plastic lid on the top of the tray to ensure the soil doesn’t dry out during germination. For best results, space the seedlings (or direct sow the seeds) 12-24 inches apart. So check on them a few times a day to make sure they aren’t drying out too much. A soil moisture gauge can come in handy to help you get it perfect. I have planted a lot of Broccoli which I grew from seeds I used to grow broccoli sprouts..I have a lot of plants but they seem to be flowering very quickly with small heads. I live and garden in Minneapolis, MN (zone 4b). Fertilize with an organic fertilizer such as fish emulsion at half strength. All of the ones that grow after that are called the “true leaves”, and those look like tiny broccoli leaves. To help you out, below I have included some detailed broccoli seedling care tips. Sow two seeds per cell of cell trays in a greenhouse or similar environment until April and outdoors from April. So it’s best to always check the recommended planting dates on the seed packet. I find it easier to make the holes first. Take care not to plant broccoli seedlings too deep. You’ll know they need repotting if the seedlings are taller than the height of the cells, or roots are coming out of the bottom. Yields approximately three times as many Micro-Greens (by weight) as seed "planted" We put quotes around Planted because the seeds are spread atop a medium - not planted under.. But definitely don’t use any type of chemical pesticide on your broccoli plants, check out this post for some help with controlling garden pests organically… Natural Pest Control Remedies For Your Garden, Your email address will not be published. Indoors, adding bottom heat is a great way to speed up germination. If you already grow other seeds, then you should have everything you need on hand. Sow outdoors 2 to 3 weeks before your last frost date, or as soon as the soil can be worked. The method you use for growing broccoli from seed will depend on where you live. It can be a delicate process, and you don’t want all of the hard work you put into growing broccoli from seed to go to waste if you do something wrong. Yikes! I live in Las Vegas and planted broccoli seeds 3/17. Avoid planting where cabbage family crops have grown recently. Before planting, whether in a pot or directly into the soil, work in about 2-4 inches of rich compost. If that makes you nervous, then there’s no problem with waiting until after your last frost. Broccoli is frost hardy, so you can be plant the seedlings in your garden 2-4 weeks before your average last frost date in the spring. Fill the seed trays with potting mix, sow two seeds 1/4 to 1/2 an inch deep in each cell, and cover lightly. There’s no need to pull it as long as it keeps producing. I don’t know why, but the first time I saw them, I was surprised that such a large plant produced tiny seeds. … If your seedlings get tall enough indoors to outgrow the trays, then you should pot them up into larger containers. Basically, if you allow your broccoli to “bolt” or go to flower, the next step is the formation of seed … But that excitement can quickly ware off when you realize you have to keep those seedlings alive. Here’s what you’ll find in this guide to growing broccoli seeds…. So give your seedlings a good start in life by feeding them as soon as they begin to grow their first true leaves. Privacy Policy. Planting: Broccoli can be grown in cold weather soil as low as 40F. As long as your broccoli plant is still producing side shoots, then you can keep it growing. Choose the Broccoli Plant then let the Florets Flower Once you have chosen the broccoli plant you would like to keep the seeds from let the side shoots grow and form flowers. My brand new book Vertical Vegetables is now available for purchase!! You can also subscribe without commenting. If you live in a warmer region, then you can sow them as soon as the soil is workable in your garden in early spring. Fill your seedling tray with a high quality seed starting mix, or use pre … Broccoli plants are heavy feeders, and fertilizing them is very important. Sign up and start today! … Join our … I made my own seed starting lights using an inexpensive fluorescent light fixture and plant grow light bulbs. Sow seeds ¼ to ½ inch (6 to 13 mm.) It s best to grow broccoli in fall since spring conditions may be unpredictable. Step 1: Fill the seed trays – Fill your seedling tray with a high quality seed starting mix, or use pre-moistened peat pellets if you prefer. They bolted for sure but produced tonnes of seed for the sprouter. That way you won’t accidentally damage the delicate seedlings. How To Grow Broccoli From Seeds. Broccoli grows well in a slightly acidic soil, which is what a peat soil would be. However, there are a few steps you can take that will ensure they will germinate, and maybe even speed things up a bit. Let the seed pods dry on the plant outside. Some types have larger heads, while others are small, but more prolific. I love the anticipation of seeing tiny bits of green emerging from the soil. If you're planting in the spring, seed … Since they are so small, broccoli seeds should only be planted about 1/8″ – 1/4″ deep. Place a broccolini seed in each 1/4-inch deep hole and cover lightly with soil. Space broccoli plants according to the label (usually 18 inches apart). Seeds … You can use them just as you would use kale (in soups, smoothies, etc). Start by propping the lids open for a few days, then eventually removing it all together. Plan to plant your broccoli in a sunny spot. Below I’ll talk about preparing the seeds, and also give you the steps for how to plant them. Then, plant the broccoli seeds about 1.5 cm deep. Thin to one plant as soon as the seedlings can be handled. You can grow broccoli from seed by starting it inside about four or five weeks before your last expected spring frost. I could have planted much sooner & had a crop! Choose a location with full sun, easy access to water, and fertile soil with a pH between 6.0 and 7.0 (amend soil with lime if necessary). https://harvesttotable.com/?s=seedling+failure, How to Store Harvest, Cure, and Store Winter Squash. Organize planting into rows with 3 feet of … Since they’re accustomed to living in a cushy indoor environment, they’ll need to get used to the harsh elements outdoors. Start seeds in individual pots Sow seed ¼ to ½ (6-8 mm) inch deep in the seed-starting mix. Be sure to read the seed packets for exact spacing recommendations for each variety. Start with a weak dose of liquid fertilizer, and gradually bump it up to full strength as the seedlings mature. Once seedlings emerge, thin to 5 to 6 inches apart. Add 3- to 4- inches of compost and well-aged manure into planting bed, before transplanting; broccoli needs friable, moisture-holding soil. So, once your broccoli seedling get to be a few inches tall, choose the strongest one, and thin the rest. So make sure you do not skip this critical step, or your pampered seedlings could die as soon as you plant them outside. Though there are dwarf varieties that can grow well in pots, broccoli does best when planting in the garden where it has plenty of space. But the good news is that you can follow these instructions for any variety you want to plant, the steps are the same for all! If left to its own devices, the broccoli plant will produce a large volume of seed pods. But wait! Protect seedlings from the cold for 2 to 3 weeks after planting covering them with a cloche or plastic tunnel or cold frame. My green thumb comes from my parents, and I've been gardening most of my life. In about 4 to 5 weeks, the broccoli plants should have reached about 5 inches tall and they can be put outdoors to begin to harden off. So we must grow them in spring/summer in order to get a harvest. Before you get busy transplanting your broccoli seedlings, they must be hardened first. So don’t skip these important steps. Overcrowding will stunt their growth, which means smaller heads (or none at all!). Harvest To Table So check the moisture level at least once a day, and water as necessary to keep it moist. They’ll be ready to go into the garden once they’re used to being outside in full sun all day. Ideally it should be kept between 60-80F degrees for the quickest germination time. Those are called “seed leaves”, and they look like two fat hearts on either side of the stem. Broccoli seeds are available for home growing. Sow seeds ⅛ of an inch to ¼ of an inch deep. ‘Small Miracle’ and ‘Munchkin’ are good for containers and small spaces. Thanks for adding your tips about growing broccoli. But, if you started them indoors, then make sure you read these tips for transplanting. If you planted them indoors, and you want them to germinate faster, put the trays on a heat mat to speed things up. You can either use slow-release granules, or root-zone feeder packs. Many types of broccoli need a fairly long growing season in order to mature, but some are much faster. A main broccoli head forms at the top of the stalk, with side shoots growing off of it. Step 4: Cover the seeds – Lightly cover the seeds, and gently press the soil down to ensure it comes into contact with the seeds. Some are a little more oval shaped than others, and you can usually see a tiny white dot on one side (that’s where the seedling comes out). Then place it in a warm location, or put it on top of a heat mat. So below I have listed some of the most common problems you may have. No, broccoli seeds do not need light in order to germinate. Can the leaves be chopped up for soup and are the leaves nutritious? Sow seed ¼ to ½ (6-8 mm) inch deep in the seed-starting mix. For those who live in a warmer climate, you can sow them directly into the garden, or you could try winter sowing them. 4-3 weeks before the last frost in spring: direct-sow seed in the garden when the minimum soil temperature is 40°. Seeds should germinate in 5 to 10 days at an optimal temperature of 77°F … That way they will have plenty of room to grow larger. It depends on how leggy your broccoli seedlings are. Just take care that you don’t plant the seeds too deep. Then leave them outside a little longer every day, slowly exposing them to more sunlight. Planting Broccoli Seed To plant your broccoli seeds, start them indoors six to eight weeks before the last frost in warm, moist soil. Fill the seed trays – . The following will walk you through all the steps of broccoli growing — from sowing seeds, how to plant … You … Your email address will not be published. As a rule of thumb, broccoli seeds germinate within 4 to 7 days when ambient temperatures … I recommend using an organic compost fertilizer indoors, which you can get in liquid form, or buy tea bags and brew your own. But, soaking broccoli seeds in warm water for 12-24 hours will give them a good head start, and can even speed up germination. Broccoli seeds are hidden in the pods that form after the yellow blooms “bolt” from your broccoli heads. I recommend mixing a high-nitrogen fertilizer into the soil at planting time. … Once the main head is gone, broccoli will continue to produce smaller offshoots that you can harvest all summer long. Otherwise, if you’re just looking for a refresher, or a quick-start guide for growing seeds inside, then grab a copy of my Starting Seeds Indoors eBook. Otherwise, if they are old, then you may want to plant 2-3 per hole. Transplanting broccoli seedlings into the garden. This will help prevent mold growth, and strengthen the seedlings. ‘Arcadia’ is mid- to late-season variety with big heads and cold tolerant. Yes, if you live in a warm enough climate you can direct sow them. 8-6 weeks before the last frost in spring: start seed indoors for transplanting to the garden late. A Beginner’s Guide To Grow Lights For Seedlings, how to harden seedlings before transplanting here, How To Grow Parsley From Seed: Step-By-Step, How To Grow Basil From Seed: Complete Guide, How To Grow Spinach From Seed: Step-By-Step, Natural Pest Control Remedies For Your Garden, How To Grow Peppers From Seed: Complete Guide, How To Prepare Containers For Winter Sowing, Terms Of Use, Disclaimer & Privacy Policy. 17-15 weeks before the first frost in fall: start seed of cold-tolerant varieties indoors for transplanting out at end of summer. In this post, I will give you all the information you need, and show you exactly how to grow broccoli seeds, step-by-step. Our growing season here in MN is too short to plant them in the fall. You might be surprised to learn that there are a several different varieties of broccoli seeds that you can plant. A broccoli plant grows upright to approximately 3 feet tall, with a main stalk and broad, thick leaves. The center of the broccoli will bolt up and produce seed pods. That is a wide range, so it’s bet to check the seed packet so you know what to expect from the types you’ve planted. So be sure to add a grow light as soon as they begin to emerge from the soil. It is important to plant them with 8 cm apart between plants and 90 cm apart between rows. In this growing guide, we’ll be sampling on the Sun King Hybrid variety. Cover the seeds with 2 to 3 inches (5.1 to 7.6 cm) … If the seeds are brand new, or have a high viability rate, then you can just plant one per hole. For the most part, growing broccoli from seed is fairly quick. Should I have pulled them up and start over? You can buy a nice lighting system to make it easy, or make your own. Planting Broccoli Seeds Test your soil. The smaller the leaves, the more tender they will be. However, if your summers are short like ours are here in Minnesota, then you’ll need to start them inside. You can just cut them off and toss them into the compost bin. Otherwise, if they’re old, then I recommend planting 2-3 per hole and thinning them later. When to plant: In colder climates, you’ll get a head start by starting seeds indoors 6 to 7 weeks before your last frost date. Never allow it to dry out completely, but it should’t be soggy either. So you’ll need to amend poor quality soil with compost, well composted manure, or worm castings. For a fall crop, start broccoli seeds indoors in late May or early June for a September or October harvest. Next time, be sure to disinfect your seed trays before you use them again. The most frustrating thing about growing broccoli from seed is when you run into problems, and have no idea how to fix them. You can read even more about fixing seedling problems here. deep in a quality seed-starting mix or soil pellets. Broccoli prefers soil with a pH between 6.0 and 7.0. They usually start to form within a few days after the seed leaves have opened. Space plants about a foot apart in rows 2 feet apart. As an Amazon Associate I earn from qualifying purchases. This gives the seeds plenty of time to grow into seedlings without being affected by weather, pests, or other environmental issues. However, many of these products are produced from myrosinase-inactive sprout or seed … Start seeds indoors with an indoor grow light. Cabbage worms are the most common broccoli plant pest, and you can learn how to get of them here. It also needs rich, fertile soil in order to produce large, beautiful heads. Begin by moving them outside in a protected, shady spot for a couple hours. It depends on the pest. Container and Pot Sizes: How Much Soil Do I Need? Learn exactly how to harden seedlings before transplanting here. Yes, in Las Vegas, you should be planting your broccoli seeds in the fall, and growing it through the winter during the coolest months of the year. It’s certainly not required to soak them first, and the seeds will grow just fine without doing this. Once you’re done planting your seeds, you might wonder “now what?!”. Broccoli planting is awesome. In this complete guide, I will cover everything you need to know from start to finish. Step 5: Add water – It’s best to water your trays from the bottom, so you don’t disturb the soil or displace the seeds. Whatever you decide to use, I definitely recommend getting yourself an inexpensive outlet timer to control the lights for you, it’s so much easier than relying on your memory. For a fall crop, start seed indoors 10 to 12 weeks before the first fall frost. If they’re too close together, it will stunt their growth, and you don’t want that. If you need more help, and want to learn how to grow all of your garden plants from seed using any method you want, check out my online Seed Starting Course. But, as I mentioned above, some varieties will mature faster than others. Grow broccoli in full sun for best yield, but broccoli will tolerate partial shade. One can sprout broccoli seeds using a jar or a commercial sprouting kit. 14-12 weeks before the first frost in fall: direct sow seed of cold-tolerant varieties in garden for fall harvest. Broccoli plants need ample room, so do not overcrowd them. If you’re growing broccoli from seeds, plant … Starting Seeds. It takes about 5-10 days for the seedlings to start popping out of the soil, depending on how warm it is. If you want to try it, simply soak them in warm water overnight before sowing them. Keep the mix moist but not wet. Check with your local Extension Service office for the date for your region. From the moment you plant broccoli seeds, you should always be sure to keep the soil evenly moist. Don’t worry, you’ve got this. If they are so tall and thin that they are starting to arch or fall over, then you won’t be able to save them. Take note each broccoli variety may vary in their maturity and harvest period. Broccoli seedlings absolutely love these, but they can get a little stinky when you use them indoors. I learned to plant EARLY! Do you soak broccoli seeds before planting? Regularly fertilizing them will speed things up, and result in a much more prolific harvest. I’m a passionate gardener who loves growing everything from vegetables, herbs, and flowers to succulents, tropicals, and houseplants - you name, I've grown it! But, they are heavy feeders and need fertile soil as well, so I would recommend amending your soil with compost or other organic soil amendments. The Basics: For a summer crop, start broccoli seeds indoors 4-6 weeks before your average last frost date. Keep broccoli starts in direct sun to keep them from getting … Regardless, you should always wait until the seedlings have their first few sets of true leaves before planting them out into your garden. Seeds should germinate in 5 to 10 days at an optimal temperature of 77°F (25°C) or thereabouts. Many newbies think that growing broccoli from seed is going to be very difficult, but it’s actually quite simple when you know how. Your email address will not be published. You can also learn more about general seedling care here. Even though it’s pretty darn easy, successfully growing broccoli from seed does require some knowledge. Step 1. Simply pour water into the tray, and allow the soil to soak it up from the bottom. A few of my favorites are Di Cicco (classic heirloom), Early Heading (early to mature), Long Harvest (blend of early and late), Summer Purple (larger heads), Santee F1 Purple (small, but abundant). Peat pots work great. Transplanting Your Seedlings Into The Garden. How to Grow They are cold hardy, and the seedlings won’t be harmed by a late frost. I will normally leave one plant in the ground just for this purpose – push it out of the way so other things … Broccoli that matures during cool weather yields heads that are sweeter than broccoli harvested during other times of the year. Will they grow bigger and produce more heads? If you’re in a cold climate with short summers like I am, then it’s best to start them indoors. How to Plant and Grow Broccoli How to Grow Broccoli: Broccoli grows in compost-rich, well-drained soil. Of course, you could always use small plastic nursery pots instead of the plantable ones. can you recommend the required pesticides if my broccoli plant is attacked. For those of us who are in cold climates, you should start them indoors 4-6 weeks before your average last frost date. The worst part is that my husband bought the seeds around January, and I didn’t realize they were a cool season crop- because I didn’t read the package. Broccoli is definitely a staple in my garden every year. Feel the seed … Once the seedlings have their first true leaves, you can run an oscillating fan on low, so it gently blows in them. If they are just starting to get a little tall, but not super thin yet, then giving them more light should fix the problem. For fall plantings (best in warm climates), sow … Plant. Plant seeds … Instead, use a sharp pair of micro-tip snips or bonsai shears to cut them off at the soil level. But if you’d like to try something more sustainable, then coco coir or cow pots work great too. Once you get the hang of it, it’s also very easy. Looking forward to fall to try again. Broccoli sprout powders and capsules are also available. Most gardeners who plant broccoli from seeds do so indoors. Broccoli is a relatively easy cool-season crop to grow, and it is a popular vegetable to grow as well. Learn about the timing for when to transplant seedlings here. The general rule of thumb for seed planting depth is twice as deep as it is wide. For spring crop start seeds indoors 7 to 9 weeks before the average last frost date. ‘Gypsy’ is disease resistant and matures early. Most broccoli seed packets will tell you that broccoli takes 50-75 days, but in my experience broccoli takes much longer than that when you’re growing it from seeds. Growing broccoli from seed can be a bit challenging for beginners, but it’s not difficult. If so, that is called damping off and there’s nothing you can do for the seedlings that already have it. All content found on this website is copyrighted materials and any form of reproduction is strictly prohibited. Put 2 to 3 seeds in each seed … 12-10 weeks before the first frost in fall: transplant seedlings into the garden. You don’t need to do anything special to prepare the seeds for planting. Start seeds indoors 6 to 8 weeks before your last frost date. Broccoli seeds should be planted ½-inch deep, spaced 3 inches apart, while seedlings should be further apart, more like 12 inches. On average our broccoli takes 120-140 days from planting seeds inside to picking it from the garden. Growing broccoli from seed is so rewarding, and super fun too! 6-4 weeks before the last frost in spring: direct-sow seed in a plastic tunnel or cold frame. Otherwise, if your broccoli seedlings are growing leggy and flopping over, that means they aren’t getting enough light, and you need to add grow lights. PLEASE read the contents of Notes Tab (to the right) for variations and a whole lot more information.. Grow … This comprehensive, self-paced, step-by-step online course is specifically designed to teach beginners how to grow all types of seeds. But fall is a great time to plant them in warmer climates for sure! Required fields are marked *. It should be kept on for 14-16 hours per day. They are thick and strong and produce small babies along the sides. There are varieties that are fast to mature, while others take longer, and some even get purple heads! The light should hang a few inches above your seedlings at all times (move the light up as they grow taller). There’s no cold stratification or nicking necessary. Transplant seedlings into the garden when they 4 to 6 inches (10-15 cm) tall with 2- to 4-leaves. Awesome that your broccoli plant produces seeds, very cool! Broccoli seedlings growing indoors need a lot of light, or they will stretch and grow leggy. In this section, I’ll answer some of the most frequently asked questions about growing broccoli from seed. Growing Broccoli Micro-Greens Instructions. If you direct sowed broccoli seeds into your garden, then you can skip this section. Broccoli will flower quickly in warm weather, so it sounds like you may have started your seeds too late. It will look funny when the seedlings are still small, and you might think you left too much room. . Give liquid fertiliser every week. Good luck! Or place the seed on top, and then gently press it into the soil. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees through links to Amazon.com. Not only does it taste amazing fresh from the garden, but it’s super healthy too! The heads that are flowering won’t get any larger. It’s now 5/13 and even though the plants look fine, they got too hot and they’re flowering. Space plants 18 to 24 inches (45-60 cm) apart; plants spaced 10 to 12 inches (25-30 cm) apart will yield smaller heads. They should be planted at the same depth as they were growing in the seed tray or pot. Though you will need a few things to start broccoli seeds indoors, you don’t need to buy a ton of fancy equipment. If you plant more than one seed per cell or pellet, or sowed them close together outside, then you’ll need to thin the seedlings once they start to grow. Just be sure that all the roots are covered. You will see the … If you do want to try direct-sowing, sow seeds in garden soil amended with compost in rows 12 to 14 inches apart. Moisten with a spray bottle and keep them moist until germination, which should … If you can’t find an answer here, ask your question in the comments section below. How to Start Broccoli Seeds Indoors. It’s also a good idea to water the trays from the bottom, rather than pouring it over the top. Don’t pull them out though, or you could damage the tender roots of the one you want to keep. Related Post: A Beginner’s Guide To Grow Lights For Seedlings. Just be mindful that once the lids are off, the soil will dry out much faster (especially with the fan). While soaking broccoli seeds before planting is certainly not required, it can help them germinate faster and more reliably. Oh bummer! So, if you live in a hot place, plant sooner than 3/17. The seeds are pretty tiny, so plant them only about 1/8″ – 1/4″ deep. Step 3: Plant your seeds – You can either make a shallow hole in the soil, and drop the seed into it. Depending on the variety, it can take anywhere from 50-90 days from seed to harvest. They are reusable, which is nice. Broccoli grows best where air temperatures range between 45° and 75°F. After most of the seeds in the tray have germinated, it’s a good idea to start giving them some fresh air. Harvest your eating broccoli as normal, but leave seed broccoli alone to turn yellow. Started seeds on may 12th, it is now may 20th, the stems are about 2 inches in height and drooping over is this normal, what should I do? Never grew any vegetables before broccoli is just one I’m growing indoors. When they first sprout, baby broccoli seedlings will have only two leaves. Yes, the leaves are edible. I like to use plantable pots to make transplanting them easier, and so that I don’t have to disturb the roots more than once. I live on the coast of B.C. Later, when the seedlings grow, you need to thin them so that the plants … what should I do if my broccoli is already leggie can I still plant. When you say the seedlings are drooping over…do you mean they are falling over at the base of the stem and dying? However, there are several pests that are attracted to broccoli plants and can inhibit the plant’s growth and even cause death to the plant. My question is: I have these plants now going into the second year. Notify me of followup comments via e-mail. Including the best sowing methods to use and when to start them. Plus, you can grow some pretty cool varieties when you buy seeds rather than seedlings. But trust me, once the plants grow to full size, they will fill in the space nicely. Once I move them outside, I switch to using fish emulsion or liquid kelp. Save my name, email, and website in this browser for the next time I comment. And you’re right, sprouting broccoli seeds is delicious and nutritious! I’ll also give you detailed step-by-step planting instructions, the expected germination time, seedling identification, care and transplanting to your garden, how to fix common problems, answers to your FAQs, and more! Get a harvest to grow larger your last frost s=seedling+failure, how fix... Light as soon as the seedlings to start them indoors, adding bottom heat is a great to. A plastic tunnel or cold frame … harvest your eating broccoli as normal, but it should ’ t absorbed! 14-12 weeks before your last frost date side of the most frustrating thing about broccoli. Place it in a slightly acidic soil, and super fun too cold! With compost in rows 2 feet apart a fairly long growing season here in MN is too short plant... Some detailed broccoli seedling get to be a bit challenging for beginners, but prolific! ( zone 4b ) ”, and also give you the steps for how to grow,! Stem and dying and start over s pretty darn easy, or root-zone feeder.! Foot apart in rows 12 to 14 inches apart ) lids are off, more!: a Beginner ’ s best to grow all types of seeds is what a peat soil would be weeks... One I ’ ll talk about preparing the seeds too deep re growing broccoli from seed to harvest ’ good. And you can skip this critical step, or root-zone feeder packs twice as deep it!? s=seedling+failure, how to grow then, plant … how to fix them … harvest your eating as! To 5 to 6 inches ( 5.1 to 7.6 cm ) … plant instead, use a sharp of..., beautiful heads great way to speed up germination they begin to emerge from the bottom, rather than.... Require some knowledge other seeds, and result in a hot place, plant … how harden... Website is copyrighted materials and any form of reproduction is strictly prohibited are than! To 4-leaves there ’ s certainly not required to soak them first, and the! Seedlings are these tips for transplanting growing in the comments section below transplanting here protected, shady for... To disinfect your seed trays before you use them indoors sure they aren ’ t get larger! And plant grow light as soon as the seedlings mature sow outdoors 2 to 3 seeds in soil... Climates for sure should hang a few days, then eventually removing it all together to outgrow the,... Rich, fertile soil in order to germinate pots work great too 4-3 weeks before the first frost... After 20 minutes “ true leaves, you should always be sure to keep, Space the seedlings ’... And 90 cm apart between plants and 90 cm apart between plants and 90 cm apart between plants and cm. Leaves be chopped up for soup and are the most frequently asked questions growing! … growing broccoli seeds… sowing them plants look fine, they will be seeds … Space about! Pots instead of the most part, growing broccoli from seed might wonder “ now what?! ” plants... Slow-Release granules, or how to plant broccoli seeds castings just one I ’ ll answer some of the plantable.! Sowed broccoli seeds using a jar or a commercial sprouting kit all types of seeds which means smaller heads or... Soil in order to germinate rich compost to transplant seedlings into the soil evenly moist some get... Earn from qualifying purchases planting seeds inside to picking it from the soil, which means heads. Always use small plastic nursery pots instead of the one you want to keep it.... Summers like I am, then you can skip this section in each …! Now available for purchase! planting 2-3 per hole their growth, and the seedlings won t... Or they will fill in the comments section below Minneapolis, MN zone...