4th December 2019

iastate
15

How do you make alkaline soil more acidic?

If your soil is alkaline, you can lower your soil's pH or make it more acidic by using several products. These include sphagnum peat, elemental sulfur, aluminum sulfate, iron sulfate, acidifying nitrogen, and organic mulches.

So, do azaleas like acidic soil?

Azaleas do well in moist, acid (pH 5.5 or so), well-drained soil with lots of organic matter, such as peat, compost, chopped leaves, or ground bark. They won't grow in heavy clay, pure sand, or alkaline soil. If your existing soil is too bad to fix, plant azaleas in raised beds or containers.
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