By Mojobau
United Kingdom 
Whats the best treatment for mildew on lupins,first time i have grown them.They have powdery white leaves.
15 Jun, 2014
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Spray with an appropriate fungicide, or try the milk treatment which works quite well for powdery mildew - 1 part milk to 9 parts water, mixed in a sprayer, spray the plant thoroughly.
15 Jun, 2014