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As most gardeners know, soil is one of the most important factors affecting the overall health and growth of plants. Soil pH, which determines how acidic or alkaline the soil is, is a particular ...

Hydrangea macrophylla (Bigleaf Hydrangea): This variety is most commonly affected by soil pH. It includes both Mophead and Lacecap types. The color change is most dramatic in these hydrangeas.

Maintaining the proper soil pH level is essential for a plant's ability to absorb the nutrients it needs. Plants that require more acidic soil than what they are currently growing in will often ...