Allium cepa Ruby Red Onion Allium cepa Ruby Red Onion is a dependable, long-day variety valued for its hard, brilliant deep red bulbs and robust, pungent flavor. Growing to about 12 to 18 inches tall with bulbs reaching 4 to 6 inches in diameter, this variety is a reliable performer in Northern gardens, producing high yields of globe-shaped onions that store exceptionally well. Unlike milder sweet onions, Ruby Red retains its firmness and zest through winter, offering a vibrant pop of color and bite to culinary dishes long after the harvest season ends. Culinary and Practical Uses The firm, crisp flesh is perfect for slicing raw onto sandwiches, burgers, and salads, adding both a sharp, zesty crunch and a vibrant purple-red contrast. Excellent for pickling or cooking down into savory jams and chutneys, where the deep color intensifies and the pungent flavor mellows into richness. A superb storage onion, keeping sound and flavorful for months in a cool, dry place, ensuring a steady supply of kitchen staples throughout the winter. Characteristics Foliage: Upright, tubular, blue-green leaves (scapes) that photosynthesize rapidly to fuel bulb growth; eventually flopping over to signal maturity. Growth Habit: Biennial grown as an annual; produces a tight, globe-shaped bulb with deep burgundy skin and thick, white rings edged in red. Flowers: While harvested before blooming for bulbs, if left to bolt in the second year, it produces tall stalks topped with spherical lilac-white flower umbels. Seeds: Small, angular black seeds; vigorous germinators that are best started indoors early in the season to maximize bulb size. Growing Requirements Sun: Thrives in full sun; requires long summer days (14+ hours of daylight) to trigger the bulbing process effectively. Soil: Prefers loose, fertile, well-draining soil rich in organic matter; compact or clay soil can deform bulbs. Water: Requires consistent moisture, especially during the bulb expansion phase; shallow roots dry out quickly, so regular watering is key. Spacing: Plant transplants 4 to 6 inches apart in rows 12 to 18 inches apart to allow for full globe development and airflow. Maintenance: Keep beds weed-free to prevent competition; stop watering when tops begin to yellow and fall over to allow the bulbs to cure properly. Shipping Info Ruby Red Onion seeds ship as fresh, high-quality, viable seeds that are carefully packaged for stability and protection from damage during transit. Prompt shipping supports reliable germination and seasonally appropriate planting.
