Quality, Reliability, Logistics Control

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Minimum purity/germination standards prescribed by the International Seed Federation (ISF)

Speciesphysical puritygermination  Speciesphysical puritygermination
Artichoke 98% 70%     Onion 99% 80%
Asparagus 95% 70%     Orach 95% 70%
Basil 97% 75%     Parsley 99% 75%
Beans (french and dwarf) 99% 85%     Parsnip 95% 75%
Beetroot 99% 80%     Peas (round seeded) 99% 82%
Broad beans 99% 85%     Peas (wrinkled seeded) 99% 82%
Cabbage 99% 85%     Pepper 99% 80%
Cardoon 98% 70%     Pumpkin 99% 80%
Carrot 98% 80%     Purslane 98% 80%
Cauliflower 99% 85%     Radish/Black radish 99% 85%
Celery/Celeriac 99% 80%     Rape 99% 85%
Chervil 99% 80%     Rhubarb 97% 80%
Chicory 98% 75%     Rocket 98% 80%
Chives 98% 75%     Runner bean 99% 82%
Corn salad 98% 85%     Salsify 96% 80%
Cress garden/upland cress 98% 85%     Savory 97% 75%
Cress plain 98% 90%     Scorzonera 99% 80%
Cress (water) 98% 80%     Sorrel 98% 75%
Cucumber 99% 87%     Spinach 99% 85%
Dill 97% 75%     Squash 99% 85%
Eggplant 99% 75%     Sugar peas 99% 87%
Endive 99% 80%     Swede/rutabaga 99% 85%
Fennel 98% 75%     Sweet corn (shrunken) 99% 80%
Gherkin 99% 87%     Sweet corn (sugary) 99% 85%
Kohlrabi 99% 87%     Swiss chard 98% 80%
Leek 99% 80%     Thyme 95% 70%
Lentil 99% 85%     Tomato 99% 85%
Lettuce 99% 85%     Turnip 99% 87%
Marjoram 97% 70%     Watermelon 99% 85%
Melon 99% 85%     Welsh onion 99% 80%
New Zealand spinach 98% 85%