I have hydrangeas and they are very slow i have them sown about 3 yrs and am only getting 5 to 10 flower heads the spread is only about 2ft in that time what can i do to bring them on quicker
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Over ten years, Gerry Daly answered more than 5,000 gardening questions. His knowledge is based in science and practical experience, and by working on radio and television. Access to the advice database is open
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