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The Best Soil for Hydrangeas


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  • Any of several varieties of hydrangea may make an ideal addition to a lawn or flower garden. They generally require little maintenance, although they are susceptible to leaf spot, powdery mildew, aphids, leaf-tiers, rose chafers and red spiders.
  • Features

  • Hydrangea flowers emerge in a variety of colors and bloom in large clusters. The plants are flowering shrubs and are commonly used as border plants. Shrubs may grow anywhere from 4 to 12 feet in height.

    Soil

  • Specific soil requirements vary by species. Generally speaking, however, hydrangeas prefer well-drained, moist soil with plenty of organic matter. They need partial sun and will not do well in hot, dry sunny areas. Mulching may be beneficial in soils with poor water retention.

    Fun Fact

  • The flowers of bigleaf hydrangea, also called French hydrangea, vary in color based on the pH level of the soil. Levels of 5.0 to 5.5 will result in blue flowers. Levels of 6.0 result in pink flowers. This is because soils with lower pH levels contain more aluminum, which makes the leaves turn blue.

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