Oldenbor Kale is an F1 hybrid brassica that brings robust disease resistance and a compact bush habit to the cool-season garden. Ready to harvest in just 60 days from transplants, this variety delivers strong protection against bacterial leaf spot and fusarium yellows, two diseases that can devastate kale crops. Its early maturity and disease-resistant genetics make it a reliable choice for gardeners looking to grow healthy greens without the typical frustrations of kale cultivation.
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This hybrid kale combines commercial-grade disease resistance with the speed that home gardeners crave. Strong resistance to both bacterial leaf spot and fusarium yellows means you'll spend less time troubleshooting and more time harvesting tender leaves. The bush growth habit keeps plants compact and manageable, while the 60-day timeline from transplant to harvest fits neatly into both spring and fall growing windows.
Oldenbor Kale is grown as a culinary green, harvested by clipping individual leaves as needed beginning about two months after planting. The leaves improve in eating quality as temperatures cool, making late-season harvests particularly appealing. It can be grown for fresh eating, extended harvests under row covers or cold frames, and wintering in mild regions.
No timeline data available yet for this variety.
Sow seeds 1/4 inch deep in 50- to 72-cell plug flats or 20-row flats at 3 to 4 seeds per inch. Keep soil temperature above 75 degrees Fahrenheit until germination, then reduce air temperature to about 60 degrees Fahrenheit. Seedlings will be ready to transplant in 4 to 6 weeks.
Transplant seedlings outdoors when they are 4 to 6 weeks old, spacing them 12 to 18 inches apart in rows spaced 18 to 36 inches apart. For early spring crops, use varieties suited to warm-season production. Kale is very hardy and tolerates cooler fall conditions well.
Beginning about two months after planting, harvest by clipping individual leaves. The eating quality improves with light frost in the late fall, making this the ideal time for peak flavor. Late-summer planted kale can be wintered in cold frames, hoophouses, or in the open in mild regions, with row covers extending the harvest period further.
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