Thanks Mrs dog.I bought some at the weekend and going to give it a go in a different part of the garden,If that don't work I'll be in touch!

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The greatness comes not when things go always good for you,but the greatness comes when you are really tested,when you take,some knocks,some disappointments;because only if youv'e been in the deepest valley can you ever know how magnificent it is to be on the highest mountain.