Recommended pH Ranges of Vegetables/Herbs
Plant Low High
Artichoke 6.5 7.5
Asparagus 6 8
Average 6.3 7.8
Basil 5.5 6.5
Bean 6 7.5
Bean root 6 7.5
Beet 6 6.8
Broccoli 6 6.8
Brussels Sprouts6 6.8
Cabbage 6 6.8
Calabrese 6.5 7.5
Carrot 6 6.8
Cauliflower 6 6.8
Celery 6 6.5
Chicory 5 6.5
Chinese Cabbage6 7.5
Chives 6 7
Corn Salad 6 6.5
Corn, Sweet 5.8 6.8
Courgettes 5.5 7
Cress 6 7
Cucumber 6 6.8
Eggplant 5.5 6
Fennel 5 6
Garlic 5.5 7.5
Ginger 6 8
Horseradish 6 7
Kale 6 7.5
Kohlrabi 6 6.8
Leek 6 8
Lentil 5.5 7
Lettuce 6 6.5
Marjoram 6 7.5
Marrow 6 7.5
Melon 6 6.8
Millet 6 6.5
Mint 7 8
Mushroom 6.5 7.5
Mustard 6 7.5
Okra 5.5 6
Olive 5.5 6.5
Onion 5.5 6.5
Paprika 7 8.5
Parsley 5 7
Parsnip 6 6.8
Pea 5.8 7
Peanut 5 6.5
Pepper 5.5 6
Peppermint 6 7.5
Pistachio 5 6
Potato 4.5 6.5
Potato, Sweet 4.5 6
Pumpkin 6 6.8
Radish 6 6.8
Rice 5 6.5
Rosemary 5 6
Rutabaga 6 6.8
Sage 5.5 6.5
Shallot 5.5 7
Sorghum 5.5 7.5
Soybean 5.5 6.5
Spearmint 5.5 7.5
Spinach 6 6.5
Squash 6 6.8
Swede 5.5 7
Swiss Chard 6 6.5
Thyme 5.5 7
Tomato 6 6.5
Turnip 6 6.8
Upland Cress 6 6.5