Sign of highly acidic soil (pH less than 4) for the gardener, is the greening of its surface, ie covered with green velvet touch. However, may even turn green soil if it is permanently in shadow. At acidic soil (pH 4,1 – 5,0) are growing three-color violet, wild sorrel, plantain, horsetail, wild mint. From cultivated plants in acidic soil may rise shadberry, Rowan, horseradish, sorrel, rhubarb, lupine, rhododendron, hydrangea, globe-flower, solidago (Goldenrod). At slightly acidic soil (pH 5,1 – 6) grow coltsfoot, couch grass, dandelion, chamomile, goutweed, clover, ferns. At slightly acidic soil can be planted actinides, lemongrass, quince, buckthorn, currants, gooseberries, strawberries, Aron, watermelon, squash, pumpkin, eggplant, beans, potatoes, parsley, rose, narcissus, Badan, astilbu, peony, daisy, cornflower, bell. On neutral soil (pH 6,1 – 7) grow lady's purse, weeds, nettles, wood louse, but it can be put on an apple tree, pear, plum, cherry, walnut, honeysuckle, raspberries, onions, garlic, celery, lettuce, spinach, dill, carrots, beets, turnips, turnip, radish, radish, cabbage, tomato, peppers, cucumbers, melons, beans, sunflower, peas, lemon balm, asters, primrose, iris, phlox, dahlia, tulip.
On the alkaline soil (pH above 7) are growing poppies, convolvulus, Sandman white. Put on it can be cereals, maize, poppy, ornamental mosses, some of the plants for the alpine slides. Dandelion, coltsfoot are indicators wet clay soils, and wood louse, weeds, nettles – indicators of fertile, rich soil with nitrogen. On acid trofyanikah growing horsetail, hopping, Labrador tea, blueberries, cranberries.