500 Sweet Giant Onion Seeds

If you want size and flavor in one easy-to-grow crop, Sweet Giant Onion Seeds deliver. These mild, globe-shaped onions grow up to 1–2 pounds each with smooth golden skin and crisp white flesh. Perfect for slicing, caramelizing, or using fresh in salads, this variety is a favorite among home gardeners and market growers alike.

Grown as a long-day type, Sweet Giant onions thrive in full sun and loose soil. With proper spacing and care, they reward your effort with uniform, oversized bulbs that cure well for extended storage.

🌟 Product Highlights:

✅ Produces 1–2 lb sweet onions – mild and crunchy
✅ Long-day variety – ideal for northern gardens
✅ Excellent raw or cooked – no harsh bite
✅ Cures well – stores up to 3–5 months
✅ Open-pollinated, non-GMO
✅ Grows in Zones 3–9 (with correct planting time)

🌱 Why Grow Sweet Giant Onion Seeds?

• 🧅 Big bulbs = fewer onions to peel
  
• 🥗 Sweet flavor perfect for fresh eating and cooking
  
• 📦 Long storage potential after curing
  
• 🪴 Grows well in raised beds or field rows
  
• 🌾 Ideal for both home gardens and market growers
  
• 🔁 Easy to start from seed for year-round planning

🌿 Growing Tips:

• Sowing: Start indoors 8–12 weeks before last frost or direct sow in early spring
  
• Spacing: Thin to 4–6 inches between plants; rows 12–18 inches apart
  
• Soil: Loose, fertile, and well-draining; add compost before planting
  
• Light: Full sun (at least 6 hours/day) for optimal bulb size
  
• Water: Keep soil evenly moist—do not let dry during bulbing
  
• Fertilize: High nitrogen during early growth, switch to phosphorus later
  
• Harvest: When tops yellow and flop over—cure bulbs for 2–3 weeks in shade

❓ FAQ – Sweet Giant Onion Seeds

How long does it take to grow these onions?
Around 110–130 days from sowing to harvest, depending on climate.

Can I grow these in southern states?
These are long-day onions, best suited to northern latitudes (Zones 3–7). Short-day types are better for the South.

Do they store well?
Yes—if cured properly, Sweet Giant onions store for up to 3–5 months in a cool, dry space.

Can I grow them in containers?
Yes, but use deep containers (8+ inches) with rich, well-draining soil.

Are they hybrids or heirloom?
This is an open-pollinated variety, great for seed-saving and consistent harvests.