Ruby Red Onion Seeds – Long-Day Variety for High-Yield, Sweet, Burgundy Bulbs
Heirloom - Non-GMO - Reliable Germination
Ruby Red Onion Seeds – Long-Day Variety for High-Yield, Sweet, Burgundy Bulbs - 1 Packet is backordered and will ship as soon as it is back in stock.
Grow vibrant, sweet red onions with Ruby Red Onion Seeds from Survival Garden Seeds. This productive long-day variety forms medium to large, globe-shaped bulbs with firm white flesh and rich burgundy skins. Known for its robust growth habit, drought tolerance, and consistent yields, Ruby Red is a dependable addition to any sunny vegetable garden.
High-Yielding and Hardy:
Ruby Red Onion is a vigorous long-day type that thrives in regions with 14–16 hours of summer sunlight. When planted in spring or fall, it produces generous harvests of flavorful red bulbs with strong, healthy tops. This hardy variety adapts well to most well-drained soils and performs reliably even during dry periods.
Versatile, Mild Sweet Flavor:
The 3-inch, medium-large bulbs offer a mild but pleasantly sweet flavor, making Ruby Red suitable for a wide range of kitchen uses. Its firm texture and attractive color make it ideal for slicing fresh, cooking in savory dishes, grilling, or adding visual appeal to salads and salsas.
Why Customers Love Ruby Red Onion:
- High-yielding long-day variety with robust growth
- Deep red, globe-shaped bulbs with firm white flesh
- Mild, sweet flavor suitable for fresh use or cooking
- Drought-tolerant and adaptable to well-drained soils
- Reliable bulb formation with long summer daylight
How to Grow:
Start seeds indoors 8–10 weeks before your last frost date, keeping seedlings evenly moist and well lit. Transplant outdoors once the soil can be worked and temperatures begin to warm. Ruby Red performs best in long-day regions, forming bulbs as daylight increases to 14–16 hours. Plant in loose, well-drained soil with full sun exposure, water consistently, and maintain weed-free beds to support steady growth. Harvest when bulbs reach full size and tops begin to naturally fall.
Net Wt. 500 MG
Heirloom Vegetable Seeds
All of our seeds are open-pollinated, non-GMO, heirloom varieties with tested germination rates
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Why Choose Survival Garden Seeds
At Survival Garden Seeds, we believe in preparing today for tomorrow’s peace of mind. That’s why we offer only heirloom, non-GMO, and untreated seeds you can trust to nourish your family and support a sustainable lifestyle. As a family-owned American company, we’re committed to providing seeds that grow strong and true—helping you cultivate health, resilience, and beauty in your garden.

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Frequently Asked Questions
Are your seeds heirloom and open-pollinated?
Are your seeds heirloom and open-pollinated?
Yes. All of our seeds are heirloom, open-pollinated varieties, which means they can produce seeds that grow true to type and are suitable for seed saving.
You can learn more about open-pollinated, heirloom, and non-GMO seeds in our Survival Garden Training blog.
Are your seeds non-GMO?
Are your seeds non-GMO?
Yes. All Survival Garden Seeds are 100% non-GMO. Our seeds are open-pollinated heirloom varieties and are never genetically modified.
Are your seeds treated with chemicals?
Are your seeds treated with chemicals?
No. Our seeds are completely untreated and free from chemical coatings, fungicides, or synthetic treatments.
How do I know my seeds are fresh?
How do I know my seeds are fresh?
Every seed packet includes a packed-for date, and we germination-test each seed lot before packaging to ensure high viability.
What is the shelf life of your seeds?
What is the shelf life of your seeds?
Most seeds remain viable for 3 to 5 years or longer when stored properly in a cool, dry place away from light and moisture.
In what USDA hardiness zones can I grow your seeds?
In what USDA hardiness zones can I grow your seeds?
Our varieties are selected to grow successfully across USDA Hardiness Zones 3 through 10. Each packet includes variety-specific planting guidance and germination tips.








