Kelvin is a hybrid celery bred for the farmer and serious home gardener who wants reliable, compact plants ready in 80 days. This F1 hybrid produces sturdy, well-formed heads that thrive in cool-season gardens where consistent moisture keeps the stalks tender and flavorful. Kelvin's compact growth habit makes it efficient in the garden, requiring just 6 inches of spacing between plants, while its frost tolerance extends your harvest window into the shoulder seasons. The variety earns its reputation as a farmer favorite through dependable performance and excellent storage potential.
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Kelvin delivers what experienced growers expect: compact plants that mature in 80 days without sacrificing quality or yield. The hybrid vigor shows in its consistent head formation and ability to handle the variable conditions of spring and fall growing. Its compact growth habit means you can fit more plants into limited space, making it particularly valuable for market gardeners and small-scale producers who count every inch of their beds. Frost tolerance adds genuine flexibility to your season, allowing harvest to continue well past the first light freezes.
Kelvin celery is grown primarily for fresh market and storage. The stalks are harvested and used fresh in salads, braised as a cooked vegetable, or processed for juice and stocks. Its compact size and reliable maturity make it especially suited to commercial operations and CSA farms where consistent supply matters.
No timeline data available yet for this variety.
Sow seeds indoors 10 to 12 weeks before your transplant date. Sow 6 seeds per inch at a depth of 1/8 inch in seed trays or plug flats; seeds require light to germinate, so do not cover them completely. Keep soil consistently moist and maintain temperatures between 70 and 75 degrees Fahrenheit until seedlings emerge in 2 to 3 weeks. Once sprouted, reduce temperature to 60 to 70 degrees Fahrenheit. When seedlings develop 2 true leaves, transplant them into 1.5-inch plug trays.
Move seedlings outdoors when weather is warm and settled, typically in mid to late spring. Space plants 6 inches apart in rows 18 inches apart. Irrigate thoroughly after transplanting to establish good root contact with the soil.
Kelvin reaches harvest maturity in 80 days from transplanting. Cut heads at soil level when they reach full size and the stalks feel firm and crisp. Harvest before the onset of heavy frosts for best quality, though the variety's frost tolerance allows some flexibility in timing.
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