Read on to find out how to plant kohlrabi seeds. Sow the seeds, half inches deep, directly in the pot. However, if the infestation is heavy, spray the sturdier plants with a strong jet of water to knock the aphids off the leaves. For best growth, water 1 inch per week and keep the area weeded. Burpee Hence, just get kohlrabi seeds from a seed company for your first kohlrabi growing project and you are good to go. Sow seeds ¼ inch deep. Seeds also can be started indoors four to six weeks prior to moving the plant outside. Sow three seeds every four inches Here’s how to do it: Sow the seed in the soil about 1/2 inch deep. When to Harvest Kohlrabi. Varieties of kohlrabi are split into two main categories based on the color of the stems and the skin of the fruit. Kohlrabi can fall victim to several different pests and diseases, many of which are similar to the problems affecting greens. This step is a ton easier than a lot of other steps. Superschmelz is the only giant variety we’ve tested that grows uniformly large and remains very sweet and tender to the biggest sizes. Black rot will cause seedlings to develop yellow or brown leaves that wilt and collapse. How to Grow Kohlrabi Plants: Select a location with full sun. For row planting, space the rows 12 inches apart. Sow seeds, 1cm (½in) deep in rows 30cm (12in) apart from late February (under cloches or fleece) to early March, continuing until mid-August in warmer areas. It favors cool temperatures. ... Get the Cooks Professional Espresso Maker for just £39.99. Upon planting, work in a general-purpose fertilizer to quicken growth. They don't need to be potted up or fed, they will grown fine in the modules until planting out. Cut your kohlrabi into slices or cubes to eat. Seeds can be sown outside just after the last frost, or inside several weeks before the last frost and then transplanted outside. Kohlrabi is superb raw or steamed. Keeps the rows 18 inches apart from each other; Gently press down the soil until firm; Water generously; Here are the guidelines for a fall crop; Directly seed the kohlrabi seeds one-fourth to one-half inch deep. if planting seeds directly outside. With a flavor like a sweeter, milder cross between a turnip and cabbage, this cool weather veggie is easy to grow. Although sometimes considered a root vegetable, kohlrabi is actually the swollen stem of the plant. Seedlings will emerge within 4-7 days and should be thinned to 4-6 inches apart in the row. Cabbage loopers will cause extensive damage in the leaves. Azur Star is certainly our shining star for early and late season crops. Any good quality kohlrabi seeds will do for planting. This disease is most likely to become a problem during cool, wet periods. Thin to 5 inches apart in rows of 1 foot apart. Mix ¼-½ cup complete organic fertilizer into the soil under each plant. Once the seeds germinate, thin out the seedlings, leaving only one healthy plant per pot. It is most prevalent in warm, wet conditions. Plant 1/4 inch deep about 10 seeds for foot. Lesions may appear round or angular. Delikatess Blue is certainly our shining star for early and late season crops. A few of the common pests affecting kohlrabi include the beet armyworm, the cabbage aphid, the cabbage looper and more. You can start your seedlings indoors 6 to 8 weeks before the last frost as well. It doesn’t need any heat or special treatment. How to grow kohlrabi seeds from sowing to harvest. This crop provides nutrients like Vitamin C and fiber when eaten. Kohlrabi is ready to harvest when its bulb is 1 to 3 inches in diameter, or about the size of a tennis ball. The tender young leaves of the plants can be used much like spinach or mustard greens. A very attractive purple heritage variety, fast growing and well suited to early and late plantings due to its cold hardiness. Kohlrabi is a nutritious vegetable to add to the garden. Learning Download: Common pests and diseases: Kohlrabi. To start seeds indoors, start seeds 6 to 8 weeks before planting. Find high yield kohlrabi seeds and other quality vegetable seeds in stock at Burpee seeds. Sign up for our newsletter. 28 Dec 17, Uta (New Zealand - temperate climate) . Step by step instructions to grow a healthy Kohlrabi. Allow Plants to Reseed Themselves. Sow seeds ¼ inch deep and transplant in garden 6 to 8 inches apart. All images and content are copyrighted 2021 © by Urban Farmer LLC. In the spring, transplant kohlrabi seedlings outdoors around 1-2 … It is a terrific source of potassium and vitamin C, containing 140% of the RDA for vitamin C. It is also low in calories with one cup of diced kohlrabi weighing in at only 4 calories, a great reason for propagating kohlrabi seeds! Kohlrabi seed propagation starts with fertile soil. Caring for Kohlrabi Plant: The biggest difference is whether or not you pick a green or purple variety. These patches are located on the leaves. The caterpillars are green and have white lines on each side of their body. Its large root system lets it grow well where water is limited. Once seedlings are about 4 inches tall, thin the plants, and transplant 5 inches apart and 1 foot apart in rows. Kohlrabi is crisp, sweet and delicious when eaten raw. Propagation. Spring planting time. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Sow the seeds ½ inch deep and 1 inch apart, or the best that you can do. The disease is more likely to occur when the environment is cool and wet. Most varieties take about 8 weeks from sowing to harvesting, so be certain that hot temps won’t arrive before it’s time to pick. When starting kohlrabi from seeds, plant the seeds about ¼ inch deep in rows that are 2 feet apart. For a fall crop, start seedlings indoors 6-8 weeks before the last average frost. Boil them or use them in salads. It grows fast and consistently and is ready to harvest after 8-12 weeks. Starting kohlrabi from seeds is a simple process. First we need to learn how to sow kohlrabi seeds: Kohlrabi is a super easy seed to grow. Kohlrabi seed propagation starts with fertile soil. You can have a continuous crop if you plant your kohlrabi every two to three weeks. Kohlrabi is a cool-weather crop. The leaves and stalk of the plant are also edible, and are often used as a garnish, or plate decoration. Sow. Kohlrabi growing guide for all gardeners. Do not pick the vegetable in warm weather, as the root becomes woody. Sow kohlrabi seed in the garden 3 to 4 weeks before the last average frost date in spring. Also, when growing kohlrabi, keep the soil well-watered or you’ll end up with tough and woody stemmed plants. Advertisement. Damping-off will kill seedlings after they germinate. Wait to begin starting kohlrabi from seeds until soil temperatures are at least 45 degrees F. (7 C.), although seeds will generally germinate if the soil temperatures are as low as 40 degrees F. (4 C.). All Rights Reserved. To prevent this, plant pathogen-free seeds and apply fungicides when necessary. Downy mildew will cause irregular yellow patches which turn brown. Plant kohlrabi seeds directly in the garden after the last hard freeze in spring, or plant in fall with enough time to harvest before the first hard freeze. There is no need to use a heating mat as you might for other seeds. When starting kohlrabi from seeds, plant the seeds about ¼ inch deep in rows that are 2 feet apart. Browse a large assortment of kohlrabi seeds at Burpee. Handpick the larvae off the plants or apply Bacillus thuringiensis to kill the younger larvae. Use organic methods to control this insect such as Bacillus thuringiensis. To avoid this disease from occurring, plant certified seeds and apply lime to the soil. Cut the kohlrabi bulb in half and remove the tough core. Wherever you’d like it to grow. Harvesting Kohlrabi Plants: How And When To Pick Kohlrabi, How To Grow Kohlrabi - Growing Kohlrabi In Your Garden, Planting Mustard Seeds: How To Grow Mustard Seed Plants, What Is A Tuscan Sun Rose – Tips On Tuscan Sun Rose Bush Care, How To Press Roses Flat - Preserving Pressed Roses, Rose Garden Plants – Alexandre Girault Climbing Rose Care, Perfumed Garden Design: How To Grow A Perfumed Garden, Wax Dipped Roses: Tips On Preserving Rose Flowers With Wax, Southern Magnolia Facts – Tips On Planting A Southern Magnolia Tree, Fire Ant Control In Gardens: Tips For Controlling Fire Ants Safely, Why There's No Beautiful Rose Garden In My Yard, Growing Zone Woes - The Challenges Of Eastern Pacific Northwest Gardening. Thin the seedlings to 4 … In The Victory Garden Cookbook, author Marian Morash recommends that a clump of seeds be spaced about 4 inches apart, then thinned to just one plant at each 4 … The fruit which kohlrabi is cultivated for, is four to five inch long seed pods, which are filled with tiny seeds. Select a variety of kohlrabi. Cabbage aphids can stunt plant growth and even cause death. Protect the plants with floating row covers and prevent disease by using a four-year crop rotation. Our kohlrabi seeds grow easily above ground in spring and fall gardens. Work in a general purpose fertilizer to promote quick growth. The seeds will germinate in about 10 days and be ready for planting outside in four weeks from the date the seeds were sown. Other giant kohlrabi types tested by Territorial over the years have proven to be woody and throw a high percentage of off-types. Kohlrabi prefers soil within the 5.5 to 6.8 range. 02 Dec 17, Liz (New Zealand - temperate climate) Try Egmonts Seed company on line . To prevent this, remove crop debris and practice good crop rotation. Transplant your seedlings when they are about 4 inches tall. Step 3) To direct sow outdoors, sow seeds about 1 inch apart and ¼ inch deep. Some gardeners begin kohlrabi indoors to get an early start. You also can amend the soil with composted manure upon planting. Kohlrabi does best in full sun in soil with a pH of 6.0 to 6.8. Try both green and purple varieties, they're beautiful. Kohlrabi is a brassica, in the cabbage family. Because it is a cool season vegetable, kohlrabi seed starting should take place in early spring or in early fall. 70 days. Harvest young for the uniquely sweet, water chestnut flavor. Sow seeds in rows one-inch apart. Make sure to place the seeds ¼ to ½ inch deep into the soil and about 2 to 5 inches apart (5-13 cm.) Once seedlings appear, thin them to 6 inches apart. [1] X Research source Increasingly popular, kohlrabi is also available in different varieties, all easy to grow, with slight variations in look and time to maturity. Reply or Post a new comment. Now as you are aware of all the factors you have to consider then the only one thing left. How to plant Kohlrabi Seeds. Sign up for special offers, how-to guides, and seasonal information! Transplant in garden 6 to 8… Also known as German turnip, kohlrabi has a texture and taste similar to broccoli stems and can be eaten raw or cooked. Kohlrabi leaves are also edible. If planting kohlrabi as a fall crop, direct sow seeds around 90 days before the first frost date. In the spring, transplant kohlrabi seedlings outdoors around one to two weeks before your last frost date. Kohlrabi is a moderate to heavy feeder that does best in humus-rich soil amended with composted manure. If planting kohlrabi as a fall crop, direct sow seeds around 90 days before the first frost date. They will overwinter in crop debris. Press the seeds 1/4 to 1/2 inch deep into the soil with 1-inch spacing. Symptoms include black rot girdling on the stem, and the seedlings may remain upright but the stem will appear constricted or twisted, which is why damping-off also is known as wirestem. These aphids only feed on cruciferous plants but can survive on related weeds. Indoor starting. A gray growth will appear on the bottom of the leaves. Reply or Post a new comment. A very attractive purple heritage variety, fast growing and well suited to early and late plantings due to its cold hardiness. Starting seeds indoors. Transplant the thinned out seedling in the garden. Kohlrabi seeds will germinate in temperatures as low as 40°F / 4.5°C. Once the seedlings sprout and are a few inches tall, thin the seedlings 4 inches apart. It handles winter weather well and can be harvested until April from a mid-summer planting. Once the plant is established, fertilize every three to four weeks with a general-purpose fertilizer. You can find both purple and white kohlrabi seeds at Urban Farmer. Depending upon the variety, kohlrabi will be ready to harvest 40-60 days from planting. Cut into slices to eat raw or add to a salad. Grow Kohlrabi in loose, average soil. To control this disease, practice good sanitation, plant disease-free seed and rotate crops. Side dress kohlrabi with aged compost at midseason. When growing vegetables, it is always exciting to care for the plant throughout its growing phase and then harvest it for delicious recipes later on, but one thing to watch out for is pests and diseases. The lesions may then form rings and become brittle and crack. Now that you got your kohlrabi seeds, it is time to go into the actual seedling process. Kohlrabi can be sown outdoors as soon as soil can be worked. Start seeds indoors in early April, or four to six weeks before transplanting. Kohlrabi seeds can be started indoors or in a cold frame or plastic tunnel. Be careful when you water the potting soil so that you don’t displace the seeds. Just make sure that it is good enough to produce a healthy piece of Kohlrabi at the end. Alternaria leaf spot will cause small spots on the leaves that are darker and will later turn brown or gray. THe beet armyworm will cause leaves to appear skeletonized due to heavy feeding. If the infestation isn’t bad, prune out the affected leaves. THe insects are gray-green and will be visible on the leaves. When to harvest kohlrabi is when the first stem is 1 … Saved seeds are generally viable for up to 4 years. Create a firm seed bed in any reasonably light, fertile, free draining soil. Some of the common diseases affecting kohlrabi include Alternaria leaf spot, black rot, damping-off, clubroot, downy mildew and more. Spacing Requirements: Sow kohlrabi seeds ¼ inch deep. Kohlrabi takes 55 days to mature. Sowing, watering, location, fertilizing and harvest. Thin plants to 6 … Different plants are susceptible to different types of pests and diseases, and it is important to make yourself aware so you can keep a watchful eye and also take any preventative methods to keep your plants safe throughout their lifespan. For a fall crop, plan your harvest for a week or two after the first fall frost. You can transplant the thinned seedlings to another part of your garden. Make sure the potting soil gets sufficient sunlight and water and the seeds will germinate after 3 … Also, when growing kohlrabi, keep the soil well watered or you’ll end up with tough,woody stemmed plants. Sow a little and often, say every three weeks, for a constant supply. Direct-sow your seeds 4 to 6 weeks before the last frost in your growing zone; about ¼ inch deep, and 10 seeds per foot. Kohlrabi is a member of the Brassica family that is grown for its edible white, green or purple “bulbs” which are actually part of the enlarged stem. The “bulb” is at its peak when it has grown to 2-3 inches across; larger kohlrabi tends to be woody and tough. When Superschmeltz kohlrabi seeds are spaced 60cm (2') apart it can weigh up to 4.5kg (10lb)! Sign up to get all the latest gardening tips! Watch this video clip with Monty Don on how to grow kohlrabi from seed, for a tasty autumn harvest – with expert help from BBC Gardeners' World Magazine. Kohlrabi Seeds. Although sometimes considered a root vegetable, kohlrabi is actually the swollen stem of the plant. Push the kohlrabi seed 1/2 inch into the potting soil and keep it moist with regular watering. Cut into cubes … Work plenty of compost and manure into your garden. Sow seeds 1/4 inch deep in double rows set 1.5  feet apart. It produces juicy 8 … It grows fast and consistently and is ready to harvest after 8-12 weeks. The bulb, which is the stem, should sit just above the soil as it grows. Make sure to place the seeds ¼ to ½ inch deep into the soil about 2 to 5 inches apart if planting seeds directly outside. Cool room temperatures between 60°F and 70°F and bright overhead light will result in the best growth of the plants. Directly seed the kohlrabi seeds one-fourth to one-half inch deep. Most of the brassica family are easy to grow and don’t mind being sown straight into cold ground, in seed trays or even in a large pot. Step 2) To start Kohlrabi seeds indoors, start seeds 6 to 8 weeks before planting. It actually … As it is a member of the cabbage family, kohlrabi can be a victim to cabbage moths and other pests. Seedlings will emerge within 4-7 days and should be thinned to 4-6 inches apart in the row. Clubroot will cause plants to be slow growing or stunted, and the leaves will turn yellow and wilt during the day. The best ways to prevent this from happening is by planting pathogen-free seeds, practice crop rotation and apply the correct fungicides to control the Alternaria leaf spot when it occurs. Learn how to get started growing Kohlrabi, an underrated member of the cabbage family. After the seedlings grow, thin the successful ones so they are 5 to 8 inches apart. where to get seeds for growing kohlrabi pl . Space plants 9-12 inches apart. It is a member of the cabbage family and is one of the hardiest vegetables as it tolerates colder weather better than other garden crops. Give the seeds 1-inch space in-between. Learn how to sow the seed and raise the crop, as he explains how to eat this unusual vegetable. Growing kohlrabi in pots in easy if you take few things mentioned below into consideration.