Soil pH and rose growing success

I was moved to action this summer after reading a blog entry by my Minnesota friend Jack Falker pH of your garden soil is not uniform. pH is the amount of acid (H+) or base (OH-) in the material. Numbers 0 to 6.9 are acidic, with 0 being extremely acidic. 7 is neutral (deionized water). Numbers 7.1 to 14 are basic, with 14 being extremely basic (caustic and alkaline are also commonly used terms for basic). Although most references differ, roses generally enjoy a pH of 6.0 through 6.9, with about 6.5 being ideal. In other words, the soil should be just slightly acidic. For pH outside this range, the availability of nutrients to the plant is greatly affected. For example, at a pH of 5.0 or less, phosphorous is ‘trapped’ by aluminum ions and rendered insoluble which cannot be absorbed by the plant. In the 6.0 to 6.9 range, all nutrients are in a form that is available to the plant. The more basic the soil, the less nutrients, such as iron, nitrogen, and manganese, can be absorbed.

pH of the Native soil in my rose garden is within recpmmended range.

pH of the Native soil in my rose garden is within recpmmended range.

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3 thoughts on “Soil pH and rose growing success

  1. Pingback: Soil pH and rose growing success | Cottage Gard...

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