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Problem solving
I have grown sweet peas from seed and then planted outside. With a couple of weeks they have developed a disease on the leaves. 2 out of 6 plants are affected. I enclose a photograph

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Billericay - Essex
Knowledge is knowing that a tomato is a fruit.
Wisdom is not putting it in a fruit salad.
When you don't even know who's in the team
S.Yorkshire/Derbyshire border
It's why the bottom of sweet peas usually look pretty dreadful. It's a good idea to have pots or other plants in front of them if you grow them in a bit of the garden you can see them readily.
I live in west central Scotland - not where that photo is...