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in Problem solving
I planted lupin seeds a few years back and now have some in the ground and some in pots. The leaves look white and powdery - is this powdery mildew and, if so, how can I tackle it.
BTW the plants are in differnt parts of the garden and not too close to each other. thank you
Sounds like powdery mildew, yes. You can either buy a fungicidal spray, or spray with one part milk in nine parts water. The latter will need to be repeated at regular intervals until the leaves are clear, using a fresh mix each time.
o nice one Alina...I'm going home now to start the milk/water mix. Thank you so much