Vegetable Seed Viability & Characteristics        
Vegetable   Seed Pollination Isolation Replant Row
    Viability Method Distances (min) Spacing Spacing
             
Asparagus P 3 years insect 1 mi / 1.6 km    
Bean, broad A 3 years self 50 ft / 15 m    
Bean, French A 3 years self 50 ft / 15 m    
Bean, runner A 3 years self 50 ft / 15 m    
Beet B 4 years wind yes    
Broccoli B 5 years insect yes    
Brussels sprouts B 5 years insect yes    
Cabbage B 5 years insect yes    
Carrot B 3 years insect 1 mi / 1.6 km 1 ft/30cm 3 ft/90cm
Cauliflower B 5 years insect yes    
Celeriac B 5 years insect yes 1 ft/30cm 3 ft/90cm
Celery B 5 years insect yes 2 ft/60cm 3 ft/90cm
Chinese cabbage A 5 years insect yes    
Chive P 2 years insect yes    
Corn, sweet A 1 – 2 years wind yes    
Cowpea A 3 years self limited    
Cucumber A 5 years insect yes    
Eggplant A 5 years self limited    
Garlic A          
Horseradish P          
Jerusalem artichoke P          
Kale B 5 years insect yes    
Kohlrabi B 5 years insect yes    
Leek B 3 years insect yes    
Lettuce A 5 years self limited    
Lima bean A 3 years self limited    
Muskmelon A 5 years insect yes    
NZ spinach A 5 years wind yes    
Okra A 2 years self limited    
Onion B 1 – 2 years insect yes    
Parsley B 1 – 2 years insect yes    
Parsnip B 1 – 2 years insect yes    
Pea A 3 years self no    
Peanut A 1-2 years self limited    
Pepper A 4 years self limited    
Popcorn A 1 – 2 years wind yes    
Potato A   self no    
Pumpkin A 5 years insect yes    
Radish A 5 years insect yes    
Rhubarb P          
Rutabaga B 5 years insect yes    
Salsify B 2 years self no    
Soybean A 3 years self limited    
Spinach A 5 years wind yes    
Squash, summer A 5 years insect yes    
Squash, winter A 5 years insect yes    
Swiss chard A 4 years wind yes    
Tomato A 4 years self limited    
Turnip A 5 years insect yes    
Watermelon A 5 years insect yes    

*This chart continues to be a work-in-progress as I gather more information. Stay tuned!

 

Posted on January 25, 2016