London (change)
4 messages
02/08/2012 at 22:42

Because it has been so wet, my roses have not been sprayed this season. Black spot is rife. Is it worth spraying now??

Any advice much appreciated.

02/08/2012 at 22:58

It would interesting to read the advise.

Can black spot spread onto neighbouring plants, I've a climbing rose with black spot but a nearby honeysuckle and clematis have also developed black spots on their leaves

03/08/2012 at 00:08

Hi Zoomer!

                     I imagine blackspot DOES spread, because the advice is always to pick up and destroy infected leaves, otherwise the soil is contaminated. Also, these leaves can't be composted - hence the "destroy!!"

03/08/2012 at 10:15

It's worth spraying if you can to try and control it a little and curtail the spread. Black spots on honeysuckle are unlikely to be the same disease as on roses, as far as I know - the reason for picking up leaves is to try and stop roses being re-infected next year.

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