Harris Seeds Onion Super Star
Best sweet onion for home gardeners across all North American climates.
This All-America Selections winner is the most reliable way to grow sweet, globe-shaped onions regardless of your latitude. You sacrifice long-term storage capability for a significantly faster harvest and a mild, crowd-pleasing flavor that makes it a standout for fresh summer eating.
$4.37
at
Harris Seeds
Who it's for
- Market gardeners seeking consistent, high-volume harvests
- Home growers in diverse climates needing disease-resistant crops
- Homesteaders planning for long-term winter food storage
Who should skip it
- Budget-conscious gardeners preferring affordable open-pollinated seeds
- Seed-saving enthusiasts wanting to propagate their own stock
- Gardeners in regions with short, limited growing seasons
Performance breakdown
Regional Versatility
Day-neutral genetics ensure reliable performance across diverse North American climates.
Maturation Speed
Reaches harvest twenty days faster than standard sweet onion varieties.
Flavor Profile
Delivers a classic mild, sweet taste ideal for fresh culinary applications.
Storage Longevity
Best enjoyed fresh as this variety lacks long-term storage capabilities.
Uniformity
Produces consistent globe-shaped bulbs that look professional in every harvest.
Germination Reliability
Predictable sprout times make planning your garden schedule straightforward and simple.
Key Specs
Daylength
Intermediate Day (requires 12-14 hours of daylength to begin to bulb)
Plants
50-60 transplants/count
Soil Temperature
60-65°F
Germination Lighting
Cover Seed
Germination Days
7-12 Days
Seeding Depth
0.25-0.5"
Maturation Days
95 Days
Planting Method
Transplant
Spacing in Row
2-4"
Spacing Between Rows
1-3'
Know before you buy
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