by Connie Oswald Stofko There are hydrangea plants that have blue flowers only when planted in acidic soil. In neutral soil, the flowers are pink. That means that if you want blue flowers and your soil is neutral, you have to add a lot of acid to your soil to get the flower color you want. You may be making more work for yourself than you want. “Ornamental plants should only bring you joy,” said Andrew Keys, writer, plantsman and lifelong…
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