Have you ever wondered what your state tree or state flower is? Here you'll find the tree, the flower and the date legislation was enacted to make these official.
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| Alabama | Tree | longleaf pine | Pinus palustis | 1997 |
| | Flower | camelia | Camellia japonica | 1959/1999 |
| Alaska | Tree | Sitka spruce | Picea sitchensis | 1962 |
| | Flower | forget-me-not | Myosotis alpestris subsp. asiatica | 1917 |
| Arizona | Tree | palo verde | Parkinsonia florida | |
| | Flower | saguaro cactus blossom | Carnegia gigantea | 1931 |
| Arkansas | Tree | lobolly pine | Pinus taeda | 1939 |
| | Flower | apple blossom | Malus domestica | 1901 |
| California | Tree | California redwood | Sequoia giganteum* | 1937/1953 |
| | | | Sequoia sempervirens* | |
| | Flower | California poppy | Eschscholzia californica | 1903 |
| Colorado | Tree | Colorado blue spruce | Picea pungens | 1939 |
| | Flower | Rocky Mountain columbine | Aquilegia caerulea | 1899 |
| Connecticut | Tree | white oak | Quercus alba | 1947 |
| | Flower | mountain laurel | Kalmia latifolia | 1907 |
| District of Columbia | Tree | scarlet oak | Quercus coccinea | |
| | Flower | American Beauty rose | Rosa 'American Beauty' | |
| Delaware | Tree | American holly | Ilex opaca | 1939 |
| | Flower | peach blossom | Prunus persica | 1895 |
| Florida | Tree | sabal palm | Sabal palmetto | 1953 |
| | Flower | orange blossom | Citrus sinensis | 1909 |
| Georgia | Tree | live oak | Quercus virginiana | 1937 |
| | Flower | Cherokee rose | Rosa laevigata | 1916 |
| Guam | Tree | ifil or ifit | Intsia bijuga | |
| | Flower | puti tai nobiu | Bougainvillea spectabilis | |
| Hawaii | Tree | kukui or candlenut | Aleurites moluccana | 1959 |
| | Flower | pua aloalo | Hibiscus brackenridgei | 1988 |
| Idaho | Tree | western white pine | Pinus monticola | 1935 |
| | Flower | syringa mock orange | Philadelphus lewisii | 1931 |
| Illinois | Tree | white oak | Quercus alba | 1973 |
| | Flower | purple violet | Viola**** | 1908 |
| Indiana | Tree | tulip tree | Liriodendron tulipifera | 1931 |
| | Flower | peony | Paeonia lactiflora | 1957 |
| Iowa | Tree | oak | Quercus** | 1961 |
| | Flower | wild prairie rose | Rosa suffulta | 1897 |
| Kansas | Tree | cottonwood | Populus deltoides | 1937 |
| | Flower | sunflower | Helianthus annuus | 1903 |
| Kentucky | Tree | tulip poplar | Liriodendron tulipifera | 1994 |
| | Flower | goldenrod | Solidago canadensis var. scabra | 1926 |
| Louisiana | Tree | bald cypress | Taxodium distichum | 1963 |
| | Flower | magnolia | Magnolia grandiflora | 1900 |
| Maine | Tree | eastern white pine | Pinus strobus | 1945 |
| | Flower | eastern white pine tassel and cone | Pinus strobus | 1895 |
| Maryland | Tree | white oak | Quercus alba | 1941 |
| | Flower | black-eyed Susan | Rudbeckia hirta | 1918 |
| Massachusetts | Tree | American elm | Ulmus americana | 1941 |
| | Flower | mayflower | Epigaea repens | 1918 |
| Michigan | Tree | eastern white pine | Pinus strobus | 1955 |
| | Flower | apple blossom | Malus domestica | 1897 |
| Minnesota | Tree | red pine | Pinus resinosa | 1945 |
| | Flower | pink and white ladyslipper | Cypripedium reginae | 1893 |
| Mississippi | Tree | magnolia | Magnolia*** | 1938 |
| | Flower | magnolia | Magnolia grandiflora | 1952 |
| Missouri | Tree | flowering dogwood | Cornus florida | 1955 |
| | Flower | hawthorn | Crataegus**** | 1923 |
| Montana | Tree | ponderosa pine | Pinus ponderosa | 1949 |
| | Flower | bitterroot | Lewisia rediviva | 1895 |
| Nebraska | Tree | cottonwood | Populus deltoides | 1972 |
| | Flower | goldenrod | Solidago gigantea | 1895 |
| Nevada | Tree | singleleaf pinyon | Pinus monophylla | 1953 |
| | Flower | sagebrush | Artemisia tridentata | 1917 |
| New Hampshire | Tree | white birch | Betula papyrifera | 1947 |
| | Flower | purple lilac | Syringa vulgaris | 1919 |
| New Jersey | Tree | northern red oak | Quercus rubra | 1950 |
| | Flower | violet | Viola sororia | 1971 |
| New Mexico | Tree | pinyon | Pinus edulis | 1949 |
| | Flower | yucca | Yucca glauca | 1927 |
| New York | Tree | sugar maple | Acer saccharum | 1956 |
| | Flower | rose | Rosa | 1955 |
| North Carolina | Tree | longleaf pine | Pinus palustris | 1963 |
| | Flower | American dogwood | Cornus florida | 1941 |
| North Dakota | Tree | American elm | Ulmus americana | 1947 |
| | Flower | wild prairie rose | Rosa arkansana | 1907 |
| Northern Marianas | Tree | flame tree | Delonix regia | |
| | Flower | plumeria | Plumeria rubra forma acutifolia | |
| Ohio | Tree | buckeye | Aesculus glabra | 1953 |
| | Flower | scarlet carnation | Dianthus caryophyllus | 1904 |
| Oklahoma | Tree | redbud | Cercis canadensis | 1937 |
| | Flower | mistletoe | Phoradendron leucarpum | 1893 |
| Oregon | Tree | Douglas fir | Pseudotsuga menziesii | 1939 |
| | Flower | Oregon grape | Mahonia aquifolium | 1899 |
| Pennsylvania | Tree | eastern hemlock | Tsuga canadensis | 1931 |
| | Flower | mountain laurel | Kalmia latifolia | 1933 |
| Puerto Rico | Tree | silk-cotton tree | Ceiba pentandra | |
| | Flower | puerto rico hibiscus | Montezuma speciosissima | |
| Rhode Island | Tree | red maple | Acer rubrum | 1964 |
| | Flower | violet | Viola palmata | 1968 |
| South Carolina | Tree | palmetto | Sabal palmetto | 1939 |
| | Flower | yellow jessamine | Gelsemium sempervirens | 1924 |
| South Dakota | Tree | Black Hills spruce | Picea glauca | 1947 |
| | Flower | pasque flower | Anemone patens var. multifida | 1903 |
| Tennessee | Tree | tulip poplar | Liriodendron tulipifera | 1947 |
| | Flower | iris | Iris germanica | 1933 |
| Texas | Tree | pecan | Carya illinoinensis | 1947 |
| | Flower | Texas bluebonnet | Lupinus spp. | 1901 |
| Utah | Tree | blue spruce | Picea pungens | 1933 |
| | Flower | sego lily | Calochortus | 1911 |
| Vermont | Tree | sugar maple | Acer saccharum | 1949 |
| | Flower | red clover | Trifolium pratense | 1895 |
| Virginia | Tree | flowering dogwood | Cornus florida | 1956 |
| | Flower | flowering dogwood | Cornus florida | 1918 |
| Washington | Tree | western hemlock | Tsuga heterophylla | 1947 |
| | Flower | coast rhododendron | Rhododendron macrophyllum | 1892 |
| West Virginia | Tree | sugar maple | Acer saccharum | 1949 |
| | Flower | rhododendron | Rhododendron maximum | 1903 |
| Wisconsin | Tree | sugar maple | Acer saccharum | 1949 |
| | Flower | wood violet | Viola sororia | 1949 |
| Wyoming | Tree | plains cottonwood | Poplus deltoides subsp. monilifera | 1947 |
| | Flower | Indian paintbrush | Castilleja linariifolia | 1917 |
