Leek Growing Info

 
Learning Download: How to Grow Leeks
 
When to Plant:
Direct seed as soon as the soil can be worked in the spring. Start transplant 4-5 weeks before this date if starting indoors. Transplants should be 12-16″ tall before moving outdoors.
 
Fertilizing:
After planting fertilizer plants until they begin to bulb every two weeks. Use an ammonium sulfate (21-0-0) in alkaline soils or a calcium nitrate (15-0-0) in acidic soils. 
 
Location: Planting Depth: Soil Type:
Full to Partial Sun 1/4″ seed; 4-6″ transplants Well drained, fertile, 6.2-6.8 pH
 
 
  Seed Spacing Row Spacing Seeds per 100′ Yield per 100′ Seeds per Acre
Leek
4-6″ 18-24″ 300 150 lbs. 87,000

 

Leek Seed Count 
1 Ounce: 10,000 Seeds
1/8 Pound: 20,000 Seeds
1/4 Pound: 40,000 Seeds
1/2 Pound: 80,000 Seeds
1 Pound: 160,000 Seeds
 
 
* These are average leek seed counts.  Varieties can vary.
 
Space Conversion:
1 Acre = 43,560 square feet, or 435’x100′
 

 
Weight Conversion:
1 Pound = 16 Ounces
1 Ounce = 28.4 Grams