Great question, Maya! Flowers make a sweet liquid called 'nectar' that butterflies use as food. If you look closely you will see that butterflies have a long thin mouth part. It is normally curled up but when a butterfly lands on a flower, it uncurls this tongue-like part (called a proboscis) and uses it to sip nectar, kind of like a straw!
Forests & Fields: How to Garden with Wildlife in Mind
No matter your gardening style, resources or size of green space to play with, wildlife-friendly gardening is possible for everyone. And it can be beautiful.