When To Start Kohlrabi Seeds Indoors

Can you start kohlrabi seeds indoors?

Starting seeds indoors. Some gardeners begin kohlrabi indoors to get an early start. Start seeds indoors in early April, or four to six weeks before transplanting. There is no need to use a heating mat as you might for other seeds.

How do you start kohlrabi indoors?

In short season areas, start kohlrabi indoors in cell trays about 4 weeks before the last frost date and transplant out once day time temperatures are steadily above 10°C (50°F). Optimal soil temperature for germination: 10-30°C (50-85°F). Seeds should germinate in 7-10 days.

How do you germinate kohlrabi seeds?

Sow seeds 1/4 to 1/2 inch deep. In rows, space kohlrabi seeds about 2 inches apart in rows 10 to 12 inches apart. Once seedlings have emerged (4 to 7 days), thin them to every 5 to 8 inches. Stagger sowing every 2 to 3 weeks for a continuous summer.

How many kohlrabi seeds are in a hole?

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I have found that one seed usually does well, though. And if I'm short on seeds, I plant one seed per hole at about three inches and still have a good harvest.

Does kohlrabi come back every year?

Yes, a kohlrabi plant will grow back after harvesting if you leave the bottom part of the stem in the ground. However, it is technically a biennial. That means, it will flower and set seed the second year, rather than producing another edible stem.

How cold can kohlrabi tolerate?

Kohlrabi plants grow when daytime air temperatures are as low as 40 F and can withstand light frost. But they grow best when daytime temperatures are between 40 and 75 F.

When should I plant kohlrabi seeds in the fall?

For Fall and Winter Harvest: 14-12 weeks before the first frost in fall: start seed indoors. 12-10 weeks before the first frost in fall: direct-sow seed in the garden for fall harvest.

Does kohlrabi need light to germinate?

This vegetable prefers rich, loamy, well-draining soil with a pH between 6.0 and 7.5. In order to thrive, it requires a location that receives at least six to eight hours of direct sunlight every day, so pick a suitable planting spot accordingly.

When should I start brussel sprouts indoors?

Brussels sprouts must be started indoors 4 weeks before your last frost date. This is a long season crop, planted in spring for a fall harvest.

Can you plant tomatoes and kohlrabi together?

That can lead to stunted growth, yellowing leaves, and low yields. Other fruits and vegetables that are heavy feeders and make bad kohlrabi neighbors include corn, cucurbits like summer squash or pumpkins, peppers, strawberries, and tomatoes.

Can you plant tomatoes next to kohlrabi?

It would just give more fodder to these pests. Also, keep the kohlrabi away from your tomatoes, as it purportedly stunts their growth.

Can kohlrabi grow with tomatoes?

According to our research on kohlrabi, we don't recommend planting pepper, pole beans, tomato, and strawberries nearby.

How big should kohlrabi be before you pick it?

Unfortunately, many gardeners allow kohlrabi to grow too large before harvesting it. Large, older kohlrabi is tough and woody and it may have an off-flavor. Begin harvesting (pull or cut at ground level) when the first stems are about one inch in diameter. Continue harvest until the stems are 2 to 3 inches in diameter.

Why is my kohlrabi flowering?

Kohlrabi is the least hardy of the cabbage like vegetables. Temperatures below 45ºF will cause the plant to flower. Hot weather causes the stem to become woody and tough. Control insects and diseases throughout the year.

Does frost hurt kohlrabi?

According to Myers, the hardiest vegetables that can withstand heavy frost of air temperatures below 28 include spinach, Walla Walla sweet onion, garlic, leeks, rhubarb, rutabaga, broccoli, kohlrabi, kale, cabbage, chicory, Brussels sprouts, corn salad, arugula, fava beans, radish, mustard, Austrian winter pea and

Why are my kohlrabi leaves turning yellow?

Apply copper dust or liquid copper spray every 7 to 10 days. Yellow spots on outer leaves enlarge to become gray-brown streaks. Early blight or Cercospora leaf spot is a fungal disease spread by heavy rainfall and warm temperatures. Keep weeds down in the garden area; they harbor fungal spores.

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