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South Glamorgan, United Kingdom Gb

when would be the right time to spray my roses and avoid black spot? also I have lots of grass cuttings from my lawn,how can I compost the grass as all my compost bins are full?
Thank you.



I am considering starting to spray my more susceptible roses now, Eileen, despite the fact that there is no sign of any infection yet. One of mine - Schoolgirl, is a martyr to it every year, and I always promise myself that I shall start earlier, but forget. Don't do it if there is a forecast of very low temperatures, but the next spell of warm and dry I don't think would be too early. I'm sure you know which ones of yours are affected worst, and you could start with those.

2 Apr, 2012

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