How to Make Hydrangeas Purple
If you keep these plants, you may already know that they can also turn purple. Or maybe you’ve seen them in a beautiful purple color and you want to know how to achieve that for yourself. Well, in strong acidic soil (pH below 6), flowers turn blue. In alkaline soil (pH above 7), flowers turn pink or even red. In slightly acidic or neutral soil (pH 6 to 7), you may get a purple color, or you could get blue and pink in the same bloom. If you want to try this, you’ll need to shoot for a very neutral soil and sometimes finding that perfect balance can take some time. but you must…
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