I don't encourage collecting. I think that it is in the category of big-game trophy hunting of being not considered ethical by a majority of the population. Tips for Planting a Butterfly Garden Determine which butterfly species visit your area. Plant the host plants for these butterflies in your garden. Use nectar-rich flowering plants, such as asters, pentas and salvias to provide food for adult butterflies.
Group plants together to create a mass of color.
This will help butterflies find your garden. Always have some nectar plants in bloom to provide food for the year-round butterflies, such as the zebra longwing. Place your garden in plenty of sunshine. Plant shrubs and trees nearby to offer a hiding place for butterflies. Don't use pesticides.