The butterfly bush will feed butterflies. However, adults do not lay eggs on this bush. “ Host plants are plants that adult butterflies depend upon to raise their larval young. Female butterflies lay their eggs directly onto their host plant of choice since caterpillars cannot travel far to feed.”.
https://birdwatchinghq.com/butterfly-host-plants/
The butterfly bush will feed butterflies. However, adults do not lay eggs on this bush. “ Host plants are plants that adult butterflies depend upon to raise their larval young. Female butterflies lay their eggs directly onto their host plant of choice since caterpillars cannot travel far to feed.”.
https://birdwatchinghq.com/butterfly-host-plants/