Southport White Globe Onion

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Southport White Globe Onion (120 days)

First listed by Charles Johnson in 1906 as being grown in the U.S.

Southport white globe is also know as "Silver Ball" and "White Rocca".

Southport Onion produces medium size white globe shaped onions. They are a firm and pungent onion great for cooking imparting a nice strong onion flavor to your favorite recipes.   

A standard white processing onion and great for farmers market.  Suitable for home gardens and market growers. Young onions can be pulled up and used as scallions (65 days). 

A long day onion for the Northern states.

Southport onion is still one of the best white keepers available today.

TIP:  Globe onions require a light, fertile, well-drained soil that is rich in organic matter.  All onions will benefit from bone meal and wood ashes worked into this soil.  

Seed Planting Depth

Seeds per gram

Germination Temperature

Days to Germination

Row Spacing

Plant Spacing

100' Row Yield


1/8-1/4" 300 50-85 3-13 6" 5-6" 100 lb. Full

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Planting Tips:

Day length sensitive – check for which is best in your area.  Needs a light friable soil to grow successfully.  Start in early spring, scatter seeds in tray ¼”- ½” apart in moist soil and put in warm place.  Transplant out 8-10 weeks later in final spacing.  Thinned onions are great in salads!

Long Day Onion Varieties: White Sweet Spanish onion, Sweet Sandwich Onion, White Sweet Spanish Onions, Yellow Sweet Spanish Onions,

Seeding Rate:

300,000 plants/acre, aproximately 3 lb.

Heirloom seeds are hardy but always take care with your garden seeds to give them the appropriate amount of moisture - not letting the vegetable seeds dry out prematurely or overwatering and possibly having them rot.


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