Red Geneva is a cipollini-type onion with deep red skin and a compact growth habit that's been cultivated since the 1800s, prized for braiding and exceptional storage. Originally grown in Italy for its resilience in both hot, dry weather and cool, damp conditions, it matures in 105 days from seed and thrives in zones 3-10. Unlike many red onions, Red Geneva develops no papery skin until 2-3 months into the season, meaning you can harvest tender mini onions early for fresh eating or let them mature into storage-worthy bulbs. This open-pollinated variety is a worthy successor to Red Marble, offering serious flavor and performance without the fuss.
Full Sun
Moderate
3-10
?in H x ?in W
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Moderate
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Red Geneva earns its reputation through sheer practicality. You get tender, harvestable bulbs almost immediately, then the option to leave them in the ground until they develop proper storage skin. Its Italian heritage shows in its ability to handle extremes, performing equally well in Italy's hot summers or cooler, wetter northern climates. Once mature, these onions store exceptionally long, making them the braiding and root-cellar gardener's dream.
Red Geneva shines in multiple culinary moments. Harvest them early as mini onions for fresh salads, roasting, or pickling while their skin is still tender and easy to remove. Let them mature fully and they transition beautifully into long-term storage, ready for caramelizing, braising, or featuring in any dish where you'd use a red onion. Their Italian heritage makes them particularly suited to Mediterranean cooking, though their sweetness works across cuisines.
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Start seeds indoors 8-10 weeks before your last spring frost, sowing them in a seed tray kept at 50-70°F. Keep soil consistently moist but not waterlogged. Onion seedlings are fine and delicate at first; provide strong light to prevent leggy growth.
Transplant hardened-off seedlings outdoors after your last frost date when soil can be worked. Space them 4-6 inches apart in rows, pressing gently into the soil. They prefer cool soil temperatures in spring and establish well when moved out while still young.
Direct sowing is possible but less common for onions; if you choose this route, sow seeds directly in spring once soil is workable, keeping the seed bed consistently moist until germination.
Begin harvesting mini onions whenever needed once they reach usable size, typically 2-3 months into the season when their thin outer layers haven't yet formed the papery skin. Simply pull them by the bunch and wash clean. For storage onions, wait until foliage begins to yellow and fall over, usually around day 105 from seed. At that point, pull the entire bulb and cure it in a warm, dry location for 2-3 weeks until the outer skin becomes papery and dry, then store in cool, dry conditions.
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“This variety traces its lineage back to 1800s Italy, where regional growers refined it specifically for performance in challenging climates. The cipollini type itself comes from Italian tradition, bred for both fresh harvest and extended storage. Red Geneva represents generations of selection by Italian farmers who needed an onion tough enough to handle their variable weather while remaining sweet and manageable in the kitchen. That centuries-old refinement is why it appears in seed catalogs today as a reliable, proven cultivar.”