Question: I keep hearing about alkaline soils from Rocky Mountain gardeners but what are they and how do they differ from regular soils? How do I need to garden differently in alkaline soils? Soils in the Rocky Mountains were created from the weathering and erosion of rocks and mountains. Most mineral matter comes from rocks. Mineral-rich soils have a pH above 7 on a scale of 0 (highly acidic) to 14 (highly alkaline). Soil has a tremendous influence on the availability of nutrients for plants. Because of the structure of alkaline soils, these nutrients and oxygen can be withheld, making it difficult for the plant to take up these nutrients, even...
Alkaline Soils – Choose the Right Plant for the Right Soil
