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Take a look at some helpful tips for growing petunias from owner of HB Farms & Greenhouses, Robert Wimsatt.
When they get unruly, give them a haircut! Petunias can be trimmed back to bowling ball size and will regrow and bloom heavily again within 14 to 21 days. You can trim them back up to three times per season and keep them looking fresh and beautiful through the fall freeze.
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