They will provide a continuous source of nectar for the adult butterflies. Include native plant species in your garden. While adults are attracted to a wide variety of flowers, many have a preference for red, yellow, orange, and purple flowers. Single flowers are easier for butterflies to get nectar from than the fuller double blossoms. Locate your garden in full sun.
Butterflies are most active on warm sunny days.
Provide a source of water such as a shallow saucer of water or a birdbath. Butterflies do drink. Place several flat rocks in full sun in the garden. Butterflies need to warm up in the morning before they are capable of active flight. Rocks provide a basking site for butterflies to raise their body temperature.