Butterflies are attracted to flowers that provide nectar and pollen, and they prefer flowers that are brightly colored and have a sweet fragrance. Here are some flowers that attract butterflies, according to the search results:

• Butterfly bush: This plant is named for its ability to attract butterflies. It produces long spikes of flowers in shades of purple, pink, and white.

• Marigolds: These multi-colored flowers attract butterflies thanks to their bright color and alluring smell.

• Zinnias: These flowers come in a variety of colors and attract butterflies with their bright colors and sweet nectar.

• Milkweed: This plant is a favorite of monarch butterflies, which lay their eggs on the leaves and feed on the nectar of the flowers.

• Lantana: These flowers bloom in mounds across a vibrant spectrum of colors and are known to be drought and salt tolerant.

• Lavender: Many species of lavender are popular with butterflies. They produce frilly purple spires and deeply aromatic foliage.

• Black-eyed Susans: These flowers provide butterflies with nectar to gather and platforms that they can easily land on.

• Bee balm: This plant produces clusters of flowers in shades of pink, red, and purple, and attracts butterflies with its sweet nectar.

• Asters: These flowers come in a variety of colors and attract butterflies with their sweet nectar.

• Coreopsis: Also known as tickseed, this plant produces bright yellow flowers that attract butterflies.

Its important to note that choosing plants that are native to your region is a good idea, as they have a better chance of supporting other insects or animals besides just the butterflies they attract.