Quick answer: 48 butterfly and moth host plants are native to New Hampshire, 35 with a live listing as of 16 Sep 2026.
48 species
- American elm Ulmus americana · 4 states
- American holly Ilex opaca · 24 states
- American hornbeam Carpinus caroliniana · 29 states
- Bearberry Arctostaphylos uva-ursi · 16 states
- Bigtooth aspen Populus grandidentata · 1 states
- Birdfoot violet Viola pedata · 14 states
- Black cherry Prunus serotina · 32 states
- Black oak Quercus velutina · 2 states
- Black walnut Juglans nigra · 33 states
- Black-eyed Susan Rudbeckia hirta · 42 states
- Bog Labrador tea Ledum groenlandicum · 4 states
- Boxelder Acer negundo · 14 states
- Bur oak Quercus macrocarpa · 24 states
- Butterflyweed Asclepias tuberosa · 37 states
- Chokecherry Prunus virginiana · 35 states
- Coral honeysuckle Lonicera sempervirens · 16 states
- Creeping snowberry Gaultheria hispidula · 1 states
- Eastern cottonwood Populus deltoides · 14 states
- Eastern hemlock Tsuga canadensis · 22 states
- Eastern red columbine Aquilegia canadensis · 36 states
- Gray birch Betula populifolia · 9 states
- Green ash Fraxinus pennsylvanica · 23 states
- Hobblebush Viburnum lantanoides · 3 states
- Mountain laurel Kalmia latifolia · 17 states
- Nannyberry Viburnum lentago · 23 states
- New England aster Symphyotrichum novae-angliae · 18 states
- New Jersey tea Ceanothus americanus · 31 states
- Northern red oak Quercus rubra · 24 states
- Pagoda dogwood Cornus alternifolia · 25 states
- Paper birch Betula papyrifera · 16 states
- Pearly everlasting Anaphalis margaritacea · 18 states
- Pin cherry Prunus pensylvanica · 3 states
- Pitch pine Pinus rigida · 12 states
- Quaking aspen Populus tremuloides · 24 states
- Red maple Acer rubrum · 30 states
- Red pine Pinus resinosa · 13 states
- Sheep laurel Kalmia angustifolia · 1 states
- Showy tick trefoil Desmodium canadense · 21 states
- Slippery elm Ulmus rubra · 2 states
- Southern arrowwood Viburnum dentatum · 13 states
- Sundial lupine Lupinus perennis · 25 states
- Tamarack Larix laricina · 10 states
- Trailing arbutus Epigaea repens · 1 states
- Trumpet vine Campsis radicans · 24 states
- Virginia creeper Parthenocissus quinquefolia · 27 states
- White ash Fraxinus americana · 31 states
- White oak Quercus alba · 33 states
- White spruce Picea glauca · 1 states