Kolibri is a semi-savoy spinach hybrid bred for year-round performance, delivering tender, crinkled leaves in just 29 days from sowing. Its compact growth habit makes it an excellent choice for succession planting and small-space gardens, while its frost hardiness means you can harvest fresh spinach well into autumn. With proper soil pH between 6.0 and 7.0 and consistent moisture, this F1 hybrid germinates reliably in cool to moderate temperatures, earning its place as a dependable green for spring through fall harvests.
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Kolibri spins out harvestable leaves in under a month, which is remarkably fast even for spinach. The semi-savoy texture gives you that appealing crinkle without the full savoying that can trap grit, and its compact form means you can pack plants just 6 inches apart. Cool-season germination suits early spring sowing perfectly, while its frost tolerance extends your season deep into autumn when many greens have quit.
Kolibri leaves go directly into salads raw when young and tender, or into wilting dishes like sautés and soups where their slight crinkle catches sauce beautifully. The quick maturity makes this hybrid popular for cut-and-come-again harvesting, where you can pick outer leaves continuously without uprooting the plant, extending your yield from a single sowing.
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While direct seeding is typical for spinach, Kolibri can be transplanted, especially useful if germination has been difficult due to warm soil or disease. Transplant seedlings when they have their first true leaves, ensuring soil temperature is at least 50°F. Space transplants 6 inches apart in rows 12 inches apart.
Sow Kolibri seeds directly into the garden as soon as the ground can be worked in early spring. For summer sowing intended for fall harvest, sow in mid-to-late summer. Sow in rows 12 inches apart, spacing seeds for eventual thinning to 6 inches apart. Cool soil germinates best; if sowing during warm weather, irrigate to cool the soil.
Kolibri reaches harvest maturity in 29 days from sowing. Begin harvesting by picking outer leaves once plants are established and have several true leaves, leaving the center intact to continue producing. You can also harvest the entire plant once it reaches desired size. For storage, harvest in the morning when leaves are crisp and cool.
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