Nature always provides a means of keeping a balance and it’s no different in the garden. There are many insects that you should actively encourage to take up residence in your garden.....
Grew well no fuss. The purple colour is very handy - easy to make sure you spot them / pick them at your chosen size. The taste is good (though perhaps not great) but the pods a little tough. I took to letting them grow and shelling. Sweet Horizon were better as Mange Tout