
Which perennial plant is known for its long bloom period from early summer to early autumn?
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Mark Cullen is a best selling author and one of Canada’s most prolific garden writers. His radio and television programs and appearances reach millions of Canadians each week and he attends or participates in gardening events across the country. Look for Mark on television, radio or in print and get the advice you need – from Canada’s gardening expert!
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Mark Cullen
markcullen.com
10,000 gardening questions answered
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