Arctic King Lettuce is a frost-tolerant loose-leaf variety that brings cold-season harvests to gardeners who might otherwise abandon their beds when temperatures drop. Ready in 60 to 75 days from direct seeding, this cultivar thrives in full sun with moderate water and neutral soil, making it reliable for spring and fall planting windows. Its hardiness sets it apart from heat-sensitive varieties, allowing you to extend your lettuce season well into cooler months when flavor is often at its peak.
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The defining feature of Arctic King is its genuine cold tolerance, a trait that allows gardeners in cooler regions to harvest tender greens when most other lettuces have bolted or failed. Direct seeding every 2 to 3 weeks ensures a continuous supply rather than a single bulk harvest, and the loose-leaf form lets you pick individual outer leaves while the center continues producing. At just 1 inch spacing with 16-inch rows, it fits efficiently into small garden footprints while maintaining the vigor needed for repeated harvests.
Arctic King is grown primarily as a salad green, harvested leaf by leaf for fresh eating. The loose-leaf form works well in mixed green salads where tenderness and mild flavor are valued, and its cold hardiness makes it especially useful for gardeners seeking fresh greens during shoulder seasons when warm-season varieties have finished.
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Start seeds indoors 4 to 6 weeks before your anticipated transplant date, then harden off seedlings before moving them to the garden.
Transplant seedlings into the garden after hardening off, spacing loose-leaf types to 10 to 14 inches apart once they have developed 2 to 3 true leaves.
Direct sow seeds where they will grow, using row covers to improve germination and prevent soil crusting. Thin loose-leaf types to 10 to 14 inches apart once 2 to 3 true leaves have formed.
Harvest individual outer leaves when they reach usable size, allowing the inner leaves to continue growing for extended production. You can also cut the entire plant about 1 inch above the soil for a bulk harvest, which often produces additional regrowth. Continue checking daily as plants mature, since all lettuce eventually becomes bitter as it begins to bolt. Loose-leaf varieties are particularly suited to the cut-and-come-again method, where repeated leaf harvesting extends your season significantly.
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