Living SoilBlog
pH and soil tests
Reading a soil test, and raising or lowering pH without guessing.
- pH and soil tests How to raise or lower soil pH without guessing Lime and wood ash raise soil pH; elemental sulfur and aluminum sulfate lower it. How much depends on your soil, and why a soil test comes first, every time.
- pH and soil tests Soil testing for home gardeners: when, how and why A soil test tells you what your soil needs before you spend on lime or fertilizer. When to sample, how to read the results, and why home kits fall short.
- pH and soil tests Wood ash in the garden: is it good for soil, and how much? Is wood ash good for soil? It raises pH and adds potassium, so it helps some gardens and harms others. What extension research says on how much and when.
Know your plant? Get its mix.
Every plant overview is free. Unlock its mix only if it is right for you.
Find my plant's mix, free