Caterpillars munch on:
Adults feed on a range of flowers including:
Caterpillars spend the winter hibernating on the underside of leaves of the foodplant, occasionally feeding if the weather is mild enough.
There is even more about this species on the main Butterfly Conservation website
Males are fiercely territorial and will engage in aerial battle with other males to hold their spot. In their eagerness to find a female, the males will intercept any insect that passes by.