Does anyone have any idea's what this black soot is on my rhododendron and forest flame is. I do have a suspicion that it's smoke from neighbours chiminea.
It often happens when the plant is weak - its natural defenses are low and bugs take advantage - a good tonic is seaweed extract and/or sequestered iron which will give your plants a boost and rejuvenate their defenses
It'd be a good idea to try and find out which bugs are causing the problem, and checking that they are still present. The mould has likely grown over winter as a result of what happened last summer - they may have moved on by now Good luck
Billericay - Essex
Knowledge is knowing that a tomato is a fruit. Wisdom is not putting it in a fruit salad.
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Sooty Mould
It's the most likely cause
There's an RHS article that gives more info
Billericay - Essex
Knowledge is knowing that a tomato is a fruit.
Wisdom is not putting it in a fruit salad.
It'd be a good idea to try and find out which bugs are causing the problem, and checking that they are still present. The mould has likely grown over winter as a result of what happened last summer - they may have moved on by now
Good luck
Billericay - Essex
Knowledge is knowing that a tomato is a fruit.
Wisdom is not putting it in a fruit salad.