Diseased Lupine

Question

Some of my lupines have acquired some sort of disease (see photos). I’ve never encountered this in nine years. What is it and how do I treat it (I live in Ireland so it’s been a bit damp these last few months)? Many thanks!

Answer 1

Here are some links that will help you.

https://www.agric.wa.gov.au/lupins/lupin-foliar-diseases-diagnosis-and-management

https://www.gardeningknowhow.com/ornamental/flowers/lupine/growing-lupines.htm