soil acidity - Knowledgebase Question

Whittier, Ca
Question by nitahenrilee
March 18, 2010
How do I check my planter soil for acidity. I bought azales and It states they need acidy soil.

Answer from NGA
March 18, 2010


You can use a pH meter to check the acidity (available at Home Depot), or you can simply add some peatmoss mulch around your azaleas and feed them with Miracid or a specially formulated Rhododendron and Azalea fertilizer. If you used potting soil in your planter it is more acidic than your garden soil (in your region the soil tends to be alkaline) and simply feeding with an acidified plant food will be just fine. If you used garden soil in your planter, mulch over the top of the soil with a couple of inches of peat moss and be sure to use an acidified fertilizer. Best wishes with your new azaleas.

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