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PDB

By Pdb

Lancashire, United Kingdom Gb

Does anyone know a way of getting rid of black spot and powdery mildew on my 2 roses. The roses are Penny Lane and The Princes Trust and they are both growing up a pergola.Thanks




Answers

 

Try Scotts 'Roseclear Ultra', disease and pest treatment, but you need to wait until there is some leaves on the roses to absorb the chemical. You also need to clear any old, dead leaves from the ground and be prepared to spray your roses as a matter of course (at least 3 or 4 times a year) rather than wait until they get blackspot and mildew.

6 May, 2012

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