Tundra Spinach is a compact F1 hybrid spinach bred for speed and cold hardiness, reaching harvest in just 27 days. This semi-savoy variety thrives across hardiness zones 3 through 9, making it a reliable choice for gardeners in harsh climates who want tender greens fast. Its dense, space-efficient growth habit means you can tuck it into small beds or containers, and its proven resistance to Downy Mildew keeps plants vigorous through the season. Spring and fall sowings both work beautifully; the variety's frost hardiness lets you extend your harvest well into cooler months.
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At just 27 days to harvest, Tundra Spinach delivers tender greens faster than most varieties on the market. The semi-savoy leaf texture offers that ideal balance between the delicate smoothness of smooth-leaf types and the crinkled complexity of full savoys. Cold hardy enough for zone 3 winters yet equally at home in zone 9 fall gardens, this hybrid performs across a genuinely wide climate range. Its compact growth habit and tight 6-inch spacing make it surprisingly productive in small spaces.
Tundra Spinach is grown primarily for fresh eating as salad greens. Its quick maturity and tender texture make it especially suited to spring and fall harvests when you want to add fresh, mild spinach to salads, sautés, and smoothies without the long wait of slower varieties.
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Spinach can be transplanted using methods like the Paperpot Transplanter, which is especially helpful when soil temperatures are warm or damping-off disease threatens germination. Start seeds indoors in cool conditions (50-70°F) and transplant when seedlings have developed true leaves, typically 3-4 weeks before moving them outdoors.
Harden off transplants by gradually exposing them to outdoor conditions over 7-10 days. Transplant outdoors when soil is workable and temperatures are cool, ideally in early spring or mid-to-late summer. Space plants 6 inches apart, with rows 12 inches apart. Tundra Spinach is frost hardy and tolerates cool spring and fall temperatures, so transplanting can occur as soon as soil can be worked.
Direct sow seeds in early spring as soon as the ground can be worked, or in mid-to-late summer for fall harvest. Avoid summer sowing in soil warmer than 85°F. If sowing during warmer weather, irrigate to cool the soil and improve germination. Sow seeds at the appropriate depth and thin seedlings to 6 inches apart once they have true leaves.
Harvest Tundra Spinach at 27 days, when plants reach usable size. Pick individual leaves from the outside of the plant as they mature, or harvest the entire plant by cutting at soil level. For the most tender, flavorful greens, harvest in the morning after dew has dried. Spring and fall harvests, when temperatures are coolest, produce the best-quality leaves.
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