Recommended Soil pH by Plant
| Vegetables | Sandy Soil | Clay Soil |
| Artichoke | 6.5 | 7.5 |
| Asparagus | 6 | 8 |
| Beets | 6 | 7.5 |
| Broccoli | 6 | 7 |
| Cabbage | 6 | 7.5 |
| Carrots | 5.5 | 7 |
| Chives, Garlic | 6 | 7 |
| Collards | 6 | 6.5 |
| Corn | 6 | 7 |
| Cress | 6 | 7 |
| Cucumber | 5.5 | 7.5 |
| Eggplant | 5.5 | 6 |
| Endive (Escarole) | 6 | 6.5 |
| Garlic | 6 | 7 |
| Leeks | 6 | 8 |
| Lettuce | 6 | 7 |
| Mustard Greens | 6 | 7.5 |
| Onion | 6 | 7 |
| Parsley | 5 | 7 |
| Parsnip | 5 | 7.5 |
| Pea, Edible Pod | 6 | 7.5 |
| Pepper | 5.5 | 7 |
| Potato | 4.5 | 6 |
| Pumpkin | 5.5 | 7.5 |
| Radish | 6 | 7 |
| Spinach | 6 | 7.5 |
| Tomato | 6 | 7 |
| Turnip | 5.5 | 7 |
| Zucchini | 6 | 6.8 |
| Fruits | Sandy Soil | Clay Soil |
| Apple | 6 | 7 |
| Cherry | 6.5 | 7.5 |
| Pear | 6 | 7.5 |
| Plum | 6 | 7.5 |
| Raspberry | 5 | 7.5 |
| Strawberry | 6.5 | 7.5 |
| Flowers | Sandy Soil | Clay Soil |
| Azalea and Rhododendron | 4.5 | 6 |
| Chrysanthemum | 6 | 7 |
| Dahlia | 6 | 7.5 |
| Geranium | 6 | 7.5 |
| Hydrangea (Blue) | 4 | 5 |
| Hydrangea (Pink) | 6 | 7 |
| Hydrangea (White) | 6.5 | 8 |
| Lavender | 6.5 | 7.5 |
| Lilac | 6 | 7 |
| Rose | 6 | 7 |
| Tulip | 6 | 7 |
| Most Annuals | 6 | 7.5 |
| Trees | Sandy Soil | Clay Soil |
| Magnolia | 5.5 | 7 |
| Maple | 6 | 7.5 |
| Thuja | 6 | 7 |
