What Plants Can Tolerate High PH?
What Plants Can Tolerate High PH? Silver Maple. Buckeye. Hackberry. Green Ash. Honey Locust. Ironwood. Austrian Pine. Burr Oak. At what pH are plants harmed? Plant nutrients leach from the soil much faster at pH values below 5.5 than from soils within the 5.5 to 7.0 range. In some mineral soils aluminum can be dissolved