Southport White Globe Onion

Type: Open-Pollinated
Packet size: 20+ seeds

Allium cepa. Southport White Globe Onion is a classic open-pollinated, long-day onion that produces smooth, round white bulbs with crisp texture and a mild, slightly sweet onion flavor. The attractive white bulbs are excellent for fresh eating, slicing, salads, cooking, and a variety of kitchen uses.

Southport White Globe performs best in northern growing regions with long summer days. With proper curing after harvest, the bulbs can also be stored for later use.

🌱 Growing Information

How to Grow Southport White Globe Onion from Seed

Planting Depth: ¼ inch
Plant Spacing: 3–4 inches for mature bulbs
Row Spacing: 12–18 inches
Germination Time: 7–14 days
Days to Harvest: 100–120 days
Sun Requirements: Full Sun
Day Length: Long-Day

Planting Tips:
Start Southport White Globe Onion seeds indoors 8–10 weeks before your last expected frost date, or sow directly outdoors once the soil can be worked. Transplant seedlings outdoors when conditions are suitable. Onions prefer loose, fertile, well-drained soil and consistent moisture, especially during bulb formation. Space or thin plants to 3–4 inches apart to allow the bulbs room to develop. Harvest when the tops begin to yellow and fall over, then cure the bulbs in a dry, well-ventilated area before storage.

🌱 Great for containers, patios, and small spaces.
Pot Size: Medium to large container (8–10+ inches deep)