A speedy new hybrid for baby-leaf spinach production or full-size growing. The flavour is simple, but pronounced, and excellent for raw salad eating. Yukon spinach seeds grow so fast that it’s a good option for filling in between other main season crops. Try it for fall and early winter harvests under low tunnel protection. Yukon has high resistance to Downy Mildew races 1-12, 14, and 15, with intermediate resistance to race 13. Spinach does best in cool weather. Spinach will bolt once days get long and hot. Some varieties grow enough to harvest before they bolt. For continuous supply, plant every 3 weeks. Matures in 38 days.
Timing: Spinach does best in cool weather. Direct sow in the period four weeks before, and three weeks after the last frost date. Spinach will bolt once days get long and hot. Some varieties grow enough to harvest before they bolt. For continuous supply, plant every 3 weeks. Sow again in the middle two weeks of August for a fall crop that, if cut at the soil level, will come back early the following spring where winters are mild. Shade summer-sown seed beds, keep very well watered, and sow more seeds than you need, as warm soil will reduce germination rates marginally. Thin seedlings, and use cloche protection as cold weather approaches. Late sowings like this can be harvested into December – in mild winters if cloche protection is provided. Optimal soil temperature: 5-20°C (45-70°F). Seeds should sprout in 7-14 days.
Starting: Sow seeds 1cm (1/2″) deep, 10 seeds per 30cm (12″), in rows 30-45cm (12-18″) apart. Thin to at least 5-8cm (2-3″) between plants, or further if you want larger leaves.
Growing: Ideal pH: 6.0-6.5. This heavy feeder requires rich soil. Dig in ¼-½ cup balanced organic fertilizer beneath every 1m (3′) of row. Overwintering spinach requires well drained soil.
Harvest: For baby greens, pick when the leaves are 7-10cm (3-4″) long. Individual leaves can be picked at anytime, until the plant has started to bolt. Cut the whole spinach plant just above soil level.
Approx. 100 seeds
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