Chinook Leek is a hearty member of the onion family that delivers tender, mild flavor in about 90 days from transplant. This cultivar of Allium ampeloprasum thrives in full sun and rich, well-draining soil (pH 6.0-7.0), rewarding patient gardeners with substantial harvests. Whether you're simmering them into soups, grilling them whole, or slicing them raw into salads at finger size, Chinook brings versatility and nutrition (packed with vitamins K and A) to the kitchen garden.
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Chinook leeks can be harvested at multiple stages, from tender finger-sized specimens for fresh salads to mature half-inch-diameter shafts for cooked applications, giving you flexibility in how you use them. The leek tops don't die back like onions, meaning you can leave them in the ground through winter in milder climates and harvest as needed until the soil freezes. With careful spacing (4 inches apart in rows 12 inches apart) and consistent moisture, you'll develop leeks with excellent texture and flavor that store beautifully at cool temperatures.
Chinook leeks shine in soups and stews, where their mild sweetness becomes the backbone of classic preparations. They're equally at home grilled whole until caramelized, sliced thinly into omelets, or eaten raw and tender at the finger-size stage in fresh salads. Their culinary range makes them a thoughtful addition to any edible garden.
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Sow 10-12 seeds in a 4-6 inch pot. If the seedling tops exceed 5 inches before transplanting, cut them back to 3 inches to encourage stockier growth. This prevents leggy transplants and helps plants establish better in the garden.
When seedlings are ready and soil can be worked, separate them carefully and transplant into garden beds spaced 4 inches apart in rows 12 inches apart. Ensure soil is moist before and after planting.
Direct sow seeds in garden beds and thin to the strongest plant when seedlings reach 4-5 inches tall, spacing final plants 4 inches apart.
Begin harvesting Chinook leeks once they reach at least 1/2 inch in diameter for the best texture and flavor. For the most tender, mild leeks suited to fresh salads and raw applications, harvest at finger size. Leeks can be harvested at any point once they're large enough, and their tops won't die back like onions, allowing you to harvest selectively as needed. In areas where soil doesn't freeze, you can leave leeks in the ground all winter and pull them as needed throughout the season.
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