Growing Torpedo Onions

Organic Vegetable Gardening
Fact Sheet

Botanical name: Allium cepa


Torpedo Onions

Torpedo Onions

Planting time: SP,FA
Seeds per ounce: 8000
Ounces per square foot: .002
Minimum legal germination rate: 70%
Germination type:

Short Germinating seeds

The advantage of growing Torpedo Onions is that you will get more onion production per square foot than regular Onions, because they are more slender and longer. As with regular Onions they are easy to grow and one of the most important vegetables in the world.

Your most success will come from starting Torpedo Onions sets. Growing from seeds in flats easy, but requires more patience. Torpedo Onions can be used as green Torpedo Onions within 30 days if grown from sets; or 40 to 50 days if grown from seed.

Torpedo Onions are very adaptable when it comes to climate and is frost tolerant. Torpedo Onions will perform better in cooler weather. A constant supply of moisture ensures success with Torpedo Onions.

Torpedo Onions, as members of the allium family, are cousins of Garlic, Leeks, and regular Onions. They're biennials (grows for two years), growing the first year then blooming the second.


In garden spacing (inches): 4
In flat spacing (inches): Broadcast
Planting depth (inches): Cover seed with soil.
Maximum number of plants per square foot: 13
Nutrient relationship:: Light Feeder


Days to maturity: 98-119
Harvesting period (days): -
Minimum yields in pounds /square foot: 2


Diseases: Botrytis Leaf Blight, Damping-Off, Downy Mildew, Fusarium Basal Rot, Neck Rot, Onion Smut, Pink Root, Purple Blotch, Several Bacteria, White Rot
Insect pests:(Insect Pest Finder) Army Cutworm, Cutworm, Green Peach Aphid, Greenhouse Whitefly, Leafminer, Northern Mole Cricket, Onion Eelworm, Onion Maggot, Onion Thrips, Saltmarsh Caterpillar, Slugs and Snails, Spotted Cucumber Beetle, Striped Cucumber Beetle, Vegetable Weevil


Italian Red Torpedo, Long Red Florence, Stockton Red


Organic Gardening Seed and Plant Sources:


Return to Organic Gardening Vegetables from Growing Torpedo Onions



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