For the Northeastern Region of the U.S., these are some of the plants that are recommended for a butterfly garden.

- Fennel, parsley, dill for Eastern Black Swallowtail
- Black cherry, aspen, birch for Canadian Tiger Swallowtail
- Spicebush, red bay, sassafrass for Spicebush Swallowtail
- Milkweed for Monarch
- False nettle, nettles hackberry for Eastern Comma, Gray Comma, Question Mark
- False nettle, nettles for Red Admiral
- Violets for Great Spangled Fritillary, Meadow Fritillary, Variegated Fritillary, Atlantis Fritillary, Silver-bordered Fritillary
- Nettles for Milbert’s Tortoiseshell
- Aspen, cottonwood, willow for Compton’s Tortoiseshell
- Willow, hackberry, elm for Mourning Cloak
- Willow for Viceroy and White Admiral
- Asters for Pearl Crescent
- Alfalfa for Orange Sulphur and Clouded Sulphur
- Plantain for Baltimore Checkerspot