Hydrangeas and Soil pH

by | Jun 10, 2019 | Articles, Newsletters | 0 comments

Not many plants get more traditional or southern than Hydrangeas.  They provide your landscape with very large and beautiful blooms for several months during the summer.  What you might not know however is why some plants bloom a different color than others.  It all has to do with the soil pH the plant is growing in.  When a plant is growing in an acidic soil where the pH is around 5.5 or lower  you will get blue blooms.  When you get a more basic pH of 6.5 or higher you will get pink blooms.  It is also not uncommon to see blooms with shades of Purple when you get pH’s in the middle.  You can actually change the color of your plants bloom by altering this pH.  Im sure you have heard about putting old rusty nails or other metal at the base of the plants.  As it rust the water will bleed into the soil and alter the pH and change the color of the blooms.  Also, remember to make sure these plants get plenty of shade.  They don’t like the afternoon sun very much and will wilt and get droopy.  Hope this helps!!!

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