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18 Sep 20, 08:44 AM |
#1
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Imagineer
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Roses and black spot.
I seem to have to treat my roses at least once a year, sometimes twice.
Am I doing something wrong, or is there no way to permanently prevent it? I remove all the affected leaves and get rid of them, I don't let them drop, then I spray the plant all over. Any tips or is this just regular maintenance. Thank you from a very rubbish gardener!
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18 Sep 20, 08:48 AM |
#2
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Apprentice Imagineer
Join Date: Jun 13
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If it’s any consolation, it’s the same for us. Will follow with interest
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18 Sep 20, 09:20 AM |
#3
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Guest
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I get rust rather than black spot but have noticed a strange thing on my unaffected rose.
The flowers and leaves seem to be smaller now than they were and the colour not as bright , google says lack of watering but I doubt it . They are in a pot though (fine for that type of rose) but wondering if pot is now too small so it’s stunting it ? Sorry .. I digressed there ! |
18 Sep 20, 10:34 AM |
#4
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Imagineer
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Some varieties of rose are more susceptible to Black Spot.
Roseclear should be applied every 4 weeks rather than just twice a year. Try it. As for pots for roses then depth is more important than circumference as the roots go down rather than spread. |
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18 Sep 20, 03:09 PM |
#5
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Imagineer
Join Date: Apr 09
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Sprayed mine regularly over the summer but still had a lot of blackspot. Now 1 of my patio roses has no leaves at all ut still plenty little roses.
A friend who is really keen on gardening says she no longer treats blackspot as you cant stop itcoming back. |
18 Sep 20, 08:11 PM |
#6
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Imagineer
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18 Sep 20, 08:41 PM |
#7
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Guest
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I do feed them but only really when I remember if I’m honest .
Previous years they’ve been absolutely fine but this year I am getting lots of flowers but they’re smaller so maybe that’s what I’ve been doing wrong. We are hoping to move into our new house end of next month so I’ll be replanting it ,maybe getting it in the ground will help a bit too? |
18 Sep 20, 08:59 PM |
#8
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Imagineer
Join Date: Sep 10
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I can remember my mum spraying our roses with diluted washing up liquid. Seemed to do the trick.
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18 Sep 20, 09:07 PM |
#9
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Imagineer
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Never get black spot or rust on my roses but this is my grandfathers preventative he was head Gardner at a well know royal home
A gallon of water 2 tablespoons of baking soda and he used a couple of desert spoons of grated carbolic soap but bleach free dish soap a couple of good squirts every couple of weeks also works for white and green fly Must work my Albertine climbing rose ina huge tub over 50 years old has been amazing this year and still this evening you can smell it as it’s warm |
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