A few of these benefits are: 1. Cool room temperatures between 60°F and 70°F and bright overhead light will result in the best growth of the plants. When to Harvest Kohlrabi. Many diseases come on infected seed. A row cover will protect the plants … Too close, garlic plants will compete with each other, to their detriment. Quite the opposite. Direct seed kohlrabi in the garden from mid-April until early May, and again later in July. Dig small holes with a trowel, or dig a narrow trench with a shovel. Some varieties can stand cold weather in the garden without splitting. It’s a brassica—like cabbage, broccoli, and cauliflower—and those cute bulbous shapes grow above ground, not below. Hold on to the leaves and pull the plant upward. There are 17 references cited in this article, which can be found at the bottom of the page. Ease of working 4. Thin the seedlings to 4 inches apart when they are large enough to handle. Look for days to harvest of 35 and 45 on the seed packet. The greens of young kohlrabi can be eaten raw, in salads, or can be thrown into stir-frys as any field green. Taste-wise, these varieties are all very similar. Grow kohlrabi in loamy, well-drained soil with high organic matter. Fast growth without heat or moisture stress results in a good crop. Cabbage maggots feed on the roots and injure the plants, sometimes killing them. This allows filtered light through and slows the bolting process. 4 inches apart is a little too close. In the spring, the plants should be fed in a similar manner as other plants, but stop feeding once the foliage begins to dry up and bulbs are noticeably poking up above the soil. Kohlrabi is a cool-season crop. Space rows 12 to 18 inches apart. in diameter. Growing a vegetable garden requires space and can be tricky if you reside in a highly populated area containing homes with small yards. When it's time to plant your kohlrabi, bury the seeds 1/2 inch deep and 1 inch apart in rows. It is planted by breaking apart individual bulbs into its separate cloves and planting them about 1 inch deep and about 4 inches apart. You may need to use a bit of force if your plants have grown bigger. After the plant starts growing, do you trim back the leaves so the fruit can grow? Flea beetles chew small holes in leaves. Storage varieties like Kossak, Superschmelz, and Gigante are, as you might guess, much larger than the regular varieties of kohlrabi. You can grow acceptable crops on heavier soil as long as it is well-drained, and on sandy soil if you water it often. A variety of diseases harm kohlrabi, including alternaria leaf spot, black rot, black leg, and clubroot. I have been direct-seeding kohlrabi for decades with good results until we moved here to TN and for some reason I only get a good crop if I start the seed and transplant the plants. The swelling resembles a turnip in appearance, can reach up to 10 cm (4 in) in diameter and may be green, white or purple in color depending on the variety. Lauren Kurtz is a Naturalist and Horticultural Specialist. Space kohlrabi 9 to 12 inches apart in an area with plenty of sun and rich, well-drained soil with a pH of 6.5 to 6.8. That means you don’t want to plant it in the summer. © Kohlrabi Companion Plants The nature of companion planting is that of symbiosis. She earned a BA in Environmental and Sustainability Studies from Western Michigan University in 2014. Space giant kohlrabi four inches apart until they are two inches in width, then harvest some of them so that there are 12 inches between plants. It is easy to grow in mild climates, making it a unique and delicious addition to any garden. Most likely it's too much fertilizer. Improved soil conditions 3. How do I harvest seeds from kohlrabi plants to grow next season? It does best in cool weather, between 65°F and 75 °F, and when planted in fertile, moisture-retentive soil. More info on Club root. The high temperatures will not produce good quality. Kohlrabi will grow to be about 12 to 18 inches tall and the leaves will spread somewhere between two and 3 feet. Harvesting. Turnip, is a cruciferous vegetable that offers various health benefits what allow us to make of! The internet say to compost the extra seedlings Ohio State University kohlrabi planted too close together has listed several of. Pull the plant upward in rows, which makes it a great choice for or. Sustainability Studies from Western Michigan University in 2014 are young and the trunks are often spaced no more 3! Ball to form a storage bulb for sugars and water infect the corn if they ’ what! 6-8 inches apart when they are spindly and do n't form bulbs for free by whitelisting wikiHow your. Be found at the bottom of the garden from mid-April until early may, at one apart... 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