A lightweight floating row cover will retain some solar heat around plants. You can lift the cover on very hot days if plants look wilted. If the water-conducting capillaries were broken the plant will quit developing. If by broken, you mean the bulb was cut or knocked, the bulb will continue to grow toward harvest. The stems are broken just above where the leaves split off on top. Place stakes at the corner of the planting bed and drape bird netting over the stakes and bed to discourage the cats.
I read commentre: flowering. I put in transplants from market mid may. Spikes yellow flowered, bulb large marble size. If I cut back stems can I leave for winter over. Or do I not trim back but leave for winter crop. Do I need thick leaf grass cover for this? Kohlrabi is a cabbage-family cousin. It prefers cool weather although it will grow in warm weather—but it will need a lot of water.
If the plant has flowered, it is past harvest time. Pull the plant and replant it in early spring or in early autumn. Kohlrabi is a fast grower; you can get a couple of crops in spring and fall. There is no advantage to letting it sit in the garden over the winter; harvest it when it is big enough to eat.
My purple kohlrabi have produced bulbs, but the white one have beautiful leaves but no bulbs. Why is that? Check the days to maturity for each cultivar. If the purples are shorter days to maturity, it may be accountable to temperature; if the temperatures have been warming.
Another possible reason is a greater amount of nitrogen in the soil—or more nitrogen fertilizer—where the white kohlrabi is growing. It may take a bit of detective work—but it is like an environmental cause. When you harvest the kohlrabi do you leave the root in the ground?
Will it regrow? The best strategy is to take but the bulbous stem and roots and replant seed. This will allow you the most production from your garden. I planted kohlrabi from seed very early in the spring when it was very cold. The seeds germinated great and made healthy looking little seedlings. I transplanted the seedlings in the garden, but now they will not grow.
I started the seeds more than 60 days ago and the entire plant is only one inch. Feed the plants with B1 Vitamin or a dilute solution of fish emulsion or kelp meal get these at the garden center. In the meantime, plant a second crop where you want it to grow wo it does not need moving. Companion planting is supported by the experience of gardeners and anecdotal evidence. Kohlrabi and melons are not typically considered companions. But, you can plant them close together and see what your experience is.
Get the best gardening tips straight into your inbox! Email Address:. Join our gardening family to receive the latest tips. The smaller bulbs are the sweetest. The bulb sits on the top of the soil so it's easy to check. Remove your kohlrabi before they are the size of a tennis ball. The larger the kohlrabi bulb gets, the more woody and tough it is to eat. Use garden gloves and a serrated knife.
Make sure the knife is sharp and clean to cut the Kohlrabi bulb safely. A serrated knife is the most effective for harvesting kohlrabi. Pull the kohlrabi plant out of the soil. To remove the kohlrabi grab the base of the leaves where they connect to the bulb. This should remove your kohlrabi plant from the soil.
You may need to use a bit of force if your plants have grown bigger. Shake off any excess soil from the roots. Cut the roots off the bulb. Once you have removed the plant, cut off the roots at the base of the bulb with your serrated knife. Remove the roots while you're still in the garden and put them in your garden compost.
Keep the leaves on your kohlrabi bulbs. The bulb is an extension of the leaves. Kohlrabi leaves grown in colder temperatures can be eaten like cabbage. The leaves may be bitter if your kohlrabi is grown in a warmer climate.
Part 2. Grow your kohlrabi plant for two years to collect their seeds. Kohlrabi plants are biennial. Kohlrabi seeds do not grow in the first year.
Save at least 5 kohlrabi plants for seeds. Plan whether you want to save seeds when planting in the first year. Like cabbage, kohlrabi plants can stand some frost.
One or two late plantings can also be made in mid-summer at the same time as late cabbage. In very hot weather, these seedlings may benefit from some shade when they are small. Thin the seedlings to 2 to 5 inches apart. Transplant the surplus seedlings to fill in blanks in other parts of the row or into additional row space if more harvest is desired.
Discard excess plants or use them for tender, stir-fry greens. Plant in fertile soil, maintain adequate soil moisture and keep down weeds. Some people call this a bulb, because it looks just like one sitting on top of the soil. But, it is technically called a swollen stem, rather than a bulb.
You can also eat the greens or leaves that form on top. The best time to harvest kohlrabi is when the swollen part of the stem reaches inches in diameter. That is about the size of a tennis ball, and usually happens between days after planting. How you harvest kohlrabi depends on which part of the plant you are going to eat. There are two parts that are edible — the rounded stem and the leaves.
Just a pair of basic garden shears for cutting the stem, or precision pruners for the greens. You can harvest kohlrabi leaves at any time. Simply pluck them off with your fingers, or cut them with a sharp pair of precision pruners. The smaller they are, the more tender and flavorful they will be. Healthy, tender leaves can be saved and used for cooking. You can add these greens to your recipes just as you would kale or collards.
Cutting the lower stem off freshly picked kohlrabi. The steps for harvesting kohlrabi stems are pretty straightforward. There are basically two ways to do it: pull the whole plant, or cut them off at base of the stem. To make it easy, simply pull the whole thing out of the ground, roots and all. Then cut off the narrowest part of the stem, the roots, and the leaves before using or storing it.
Instead cut the skinniest part of the stem right below where it starts to widen, and just above the soil line. The stems not very thick but are pretty tough. So make sure to use a sharp and heavier duty garden shears to cut them.
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