A blue vase sitting on a sidewalk in the sun. Vase blue glass.
A blue vase sitting on a stone walkway / A blue vase sitting on a stone surface public domain stock photo.
A close up of a decorative object on a wall. Flower blue china.
A blue flower on a blue background / A close up of a flower on a wall public domain stock photo.
A couple of vases that have some flowers in them. Daisy flower.
A couple of small vases with flowers in them / Two small white flowers in a stone vase public domain stock photo.
A large clay pot filled with lots of green plants. Pot plants green.
A large terra cotta pot with succulents growing in it / A large potted plant sitting in front of a tree public domain stock photo.
A blue vase sitting on top of a sidewalk. Vase blue glass.
A blue vase sitting on a stone walkway / A blue vase sitting on a stone surface public domain stock photo.
A blue vase sitting on a sidewalk in the sun. Vase blue glass.
A blue vase with white flowers on it / A blue vase with a gold trim and white flowers public domain stock photo.
A row of flower pots sitting on a window sill. Flowers spring flower.
A row of flower pots sitting on a window sill / A row of flower pots sitting on a window sill public domain stock photo.
Spectabilis forsythia (Forsythia intermedia), Frederick Law Olmsted Na...
This ornamental plant owes its origin to gardening: a seedling was discovered growing in the Göttingen Botanic Gardens in Germany in 1878 and was formally described and named a hybrid in 1885. This cultivar wa... More
Woman standing in flowering bush
Accession Number: 1978:0170:0004..Maker: Unidentified..Title: Woman standing in flowering bush..Date: ca. 1915..Medium: color plate, screen (Autochrome) process..Dimensions: Image: 9 x 11.7 cm Overall: 10 x 12... More
Catoctin Mountain Park - Skunk Cabbage
Skunk cabbage is one of the first flowers in the spring to bloom. It grows in and around creeks and the blooms can be under leaves. Its foul odor attracts pollinators. This plant is thermogenic (it can raise it... More
Claret-cup Cactus - National Parks Gallery
The Claret-cup cactus, also known as strawberry hedgehog, is primarily found north of the dunes in the Tularosa Basin.
Fishhook Barrel Cactus Flower - Public Domain image, National Parks Ga...
The bright red flowers of the Emory's Barrel Cactus (Ferocactus emoryi) are a sight to behold in the middle of summer.
Camellias, which are the Alabama state flower, bloom in profusion on t...
Title, date, subject note, and keywords provided by the photographer. Credit line: The George F. Landegger Collection of Alabama Photographs in Carol M. Highsmith's America, Library of Congress, Prints and Phot... More
blooming cholla- free images of flowers
Even the hostile must flower. Teddy bear chollas produce flowers during the summer months.
Engelmann's Hedgehog Cactus Flower
Engelmann's Hedgehog Cactus are fairly common in the park as are their blossoms in the spring.
Senita Cactus Flower - National Parks Gallery
The Senita Cactus (Pachycereus schottii), found mostly in Mexico, has a beautiful bloom that opens at night and closes quickly in the morning.
Teddy-bear Cholla Flower - Public Domain image, National Parks Gallery
Teddy-bear Cholla (Cylindropunta bigelovii) are one of the more spine covered of all desert plants, luckily for us the spines don't hide the flowers.
Pollen Count- free images of flowers
This picture shows all the pollen that can be found deep inside the bloom of a prickly pear cactus.
Camellias, which are the Alabama state flower, bloom in profusion on t...
Title, date, subject note, and keywords provided by the photographer. Credit line: The George F. Landegger Collection of Alabama Photographs in Carol M. Highsmith's America, Library of Congress, Prints and Phot... More
Camellias, which are the Alabama state flower, bloom in profusion on t...
Title, date, subject note, and keywords provided by the photographer. Credit line: The George F. Landegger Collection of Alabama Photographs in Carol M. Highsmith's America, Library of Congress, Prints and Phot... More
Saguaro Cactus Flower - National Parks Gallery
The giant Saguaro Cactus (Carnegia gigantea) flowers bloom at night, but remain open most of the next day, which makes them a common and beautiful sight during late spring and early summer.
Staghorn Cholla Flower - Flowers from National Park Gallery
The flower of the Staghorn Cholla (Cylindropunta versicolor) is not only pretty to the eye it is healthy too. The buds of this plant are an excellent source of calcium.
Camellias, which are the Alabama state flower, bloom in profusion on t...
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Organ Pipe Cactus Flower - Public Domain image, National Parks Gallery
The Organ Pipe Cactus (Stenocereus thurberi) has a beautiful flower, but you better get up early to see it for the flowers of this night blooming cactus usually close up by 8:30 in the morning.
Yellow Prickly Pear Bloom - Public Domain image, National Parks Galler...
Prickly pear cactus flowers bloom a bright yellow, then slowly change into shades of orange and peach.
Englemann's Prickly Pear Cactus Flower
By far one of the most common plants of the desert, the Englemann's Prickly Pear Cactus (Opuntia engelmannii var. engelmannii) gets covered with flowers every spring.
Organ Pipe Cactus Bloom - Public Domain image, National Parks Gallery
Organ Pipe flowers bloom at night, for only one night, and are pollinated by bats
Spring beauty (Claytonia virginica), Theodore Roosevelt Island Nationa...
Picryl description: Public domain image of a flower, blooming, botanical illustration, free to use, no copyright restrictions.
Pollinator and its bloom, National Capital Parks - East, 2011.
The Architect of the Capitol (AOC) is the federal agency responsible for the maintenance, operation, development, and preservation of the United States Capitol Complex, which includes the U.S. Capitol building,... More
Pollinator and its bloom, National Capital Parks - East, 2011.
The Architect of the Capitol (AOC) is the federal agency responsible for the maintenance, operation, development, and preservation of the United States Capitol Complex, which includes the U.S. Capitol building,... More
Aquatic bloom, National Capital Parks - East, 2011.
The Architect of the Capitol (AOC) is the federal agency responsible for the maintenance, operation, development, and preservation of the United States Capitol Complex, which includes the U.S. Capitol building,... More
Aquatic bloom, National Capital Parks - East, 2011.
Picryl description: Public domain image of a flower, blooming, flowering, botanical illustration, free to use, no copyright restrictions.
Budding aquatic bloom, National Capital Parks - East, 2011.
The Architect of the Capitol (AOC) is the federal agency responsible for the maintenance, operation, development, and preservation of the United States Capitol Complex, which includes the U.S. Capitol building,... More
Field of aquatic blooms, National Capital Parks - East, 2011.
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Wooded trail, Theodore Roosevelt Island National Memorial, 2012.
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Sunflowers (Helianthus) on the landscape, Homestead National Monument ...
The genus Helianthus includes over 70 species sunflowers. Except for 3, all are native to North America.
Marine One arriving at the White House, President's Park, 2012.
The south lawn is the scene of many events, including Marine One's arrival and departure from the White House.
Spring blooms, Chamizal National Monument, 2012.
Picryl description: Public domain image of trees, forest, park, free to use, no copyright restrictions.
Pollinator in action, Prince William Forest Park, 2013.
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Blooms on the grassy landscape, Wilson's Creek National Battlefield, 2...
Picryl description: Public domain image of a flower, blooming, botanical illustration, free to use, no copyright restrictions.
Landscape in bloom, Herbert Hoover National Historic Site, 2013.
Picryl description: Public domain image of wildlife, wild animals, nature, free to use, no copyright restrictions.
Fields of sunflowers (Helianthus), Nicodemus National Historic Site, 2...
About 70 species of sunflowers exist; all but three of them are native to North America.
Pollinator in action, George Washington Birthplace National Monument, ...
Picryl description: Public domain image of wildlife, wild animals, nature, free to use, no copyright restrictions.
Flowers along Stevens Canyon Road
The meadows are still cloaked in snow but park roadsides are starting to brighten up. These paintbrush and penstemon wildflowers were spotted along Stevens Canyon Road. Against the grey and lichen-covered rocks... More
Bitterroot (Lewisia rediviva), John Day Fossil Beds National Monument,...
This low-growing perennial prefers gravelly to heavy, dry soil on grasslands and open shrubland.
Wildflowers dot the rocky landscape, John Day Fossil Beds National Mon...
The blooming golden bee plants (Cleome platycarpa) and fiddlenecks (Amsinckia) are both annuals, native to western North America.
Spring blooms, Rock Creek Park, 2013.
Picryl description: Public domain image of a flower, blooming, botanical illustration, free to use, no copyright restrictions.
Lesser celadine (Ficaria verna), Theodore Roosevelt Island National Me...
This low-growing perennial has heart-shaped leaves and bright, conspicuous, glossy yellow blooms.
Cotton bloom (Gossypium), Montezuma Castle National Monument, 2013.
Cotton remains a major export of the southern United States and a majority of the world's annual cotton crop is of the long-staple American variety.
Desert sunflower (Geraea canescens), Mojave National Preserve, 2014.
Picryl description: Public domain image of a flower, blooming, botanical illustration, free to use, no copyright restrictions.
Wine cup (Callirhoe involucrata), Chickasaw National Recreation Area, ...
Wine cup is a drought-tolerant, sprawling flower native to central United States that prefers gravelly or sandy soils. Trailing stems spread vinelike over the ground originating from a carrot-like tuber. Numero... More
Pollinator in action, Wolf Trap National Park for the Performing Arts,...
Public domain scan of print / book page depicting birds, ornithology, free to use, no copyright restrictions image - Picryl description
Dogwood (Cornus) in bloom, Prince William Forest Park, 2014.
Most dogwoods are deciduous shrubs. About 30-60 dogwood species belong to the family Cornaceae, distinguishable by their blossoms, berries and distinctive barks.
Wildflowers in bloom, Wolf Trap National Park for the Performing Arts,...
Picryl description: Public domain image of a flower, blooming, flowering, botanical illustration, free to use, no copyright restrictions.
Purple coneflowers (Echinacea purpurea), Jewel Cave National Monument,...
Coneflowers belong to the sunflower family.
Crabapple trees (Malus), Fort McHenry National Monument and Historic S...
The genus Malus contains about 55 species of small apple trees known as crabapples, crab apples, crabs or wild apples. Extremely sour, these fruit are valued as a sour condiment rather than eaten raw.
Crabapple trees (Malus), Fort McHenry National Monument and Historic S...
The genus Malus contains about 55 species of small apple trees known as crabapples, crab apples, crabs or wild apples. Extremely sour, these fruit are valued as a sour condiment rather than eaten raw.
Claretcup (Echinocereus triglochidiatus), Tuzigoot National Monument, ...
Claretcup are mounding cactus, forming bulbous piles of cylindrical stems. There is a thick nectar chamber with many thready pink stamens at the center of the blossom. This nectar is an excellent source of food... More
Coneflower (echinacea) bloom, Sleeping Bear Dunes National Lakeshore, ...
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Pollinating a bloom, New River Gorge National River, 2014.
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Indian blanketflower (Gaillardia pulchella), Fort Matanzas National Mo...
Known by many names, including firewheel, Indian blanket or sundance, this adaptable flower is hardy, not picky about its substrate and is highly drought-tolerant. It is also favored by honeybees because of its... More
Grasshopper enjoying a bloom, Chickasaw National Recreation Area, 2014...
Picryl description: Public domain image of incest, natural history, free to use, no copyright restrictions.
International World Peace Rose Garden, Martin Luther King Jr National ...
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Sunlight through the canopy, Fort Washington Park, 2014.
Picryl description: Public domain image of trees, forest, park, free to use, no copyright restrictions.
Non-native purple aster (Aster divaricatus), Great Smoky Mountains Nat...
October & November in the park, NPS. Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
Spring at the park, Clara Barton National Historic Park, 2014.
Picryl description: Public domain image of trees, forest, park, free to use, no copyright restrictions.
Spring at the park, Clara Barton National Historic Park, 2014.
Picryl description: Public domain image of trees, forest, park, free to use, no copyright restrictions.
Nuttall's sensitive-briar (Mimosa nuttallii), Chickasaw National Recre...
Before blooming, these tiny flowers look a lot like small green bramble fruits. They occur in bunches as seen in the photo. Like a few other Mimosa species, leaves of this plant fold up when touched or disturbe... More
Crabapple trees (Malus), Fort McHenry National Monument and Historic S...
The genus Malus contains about 55 species of small apple trees known as crabapples, crab apples, crabs or wild apples. Extremely sour, these fruit are valued as a sour condiment rather than eaten raw.
Swamp mallow (Hibiscus moscheutos), Wolf Trap National Park for the Pe...
A member of the Malvaceae family, the swamp mallow is a wetland woody perennial found from Texas all the way to the Atlantic seaboard and north to Ontario, Canada. These conspicuous sun- and moisture-loving blo... More
Honey bee (Apis), Fort Washington Park, 2014.
A honey bee (not including stingless honey bees) is any bee of the genus Apis, primarily distinguished by production and storage of honey along with perennial, colonial nests made of wax. There are 7-11 species... More
Golden ragwort (Packera aurea), Wolf Trap National Park for the Perfor...
You may know this bloom by one of its other many common names, St. Johns wort or heart-leaved ragwort, derived from its heart-shaped leaves.
Claretcup (Echinocereus triglochidiatus), Tuzigoot National Monument, ...
Claretcup are mounding cactus, forming bulbous piles of cylindrical stems. There is a thick nectar chamber with many thready pink stamens at the center of the blossom. This nectar is an excellent source of food... More
Fall landscape, Lake Meredith National Recreation Area, 2014.
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Milkweeds in bloom, Scotts Bluff National Monument, 2014.
Picryl description: Public domain image of a flower, blooming, flowering, botanical illustration, free to use, no copyright restrictions.
Wildflowers on the landscape, Lava Beds National Monument, 2014.
Picryl description: Public domain image of a flower, blooming, botanical illustration, free to use, no copyright restrictions.
Pollinator in action, Lava Beds National Monument, 2014.
Picryl description: Public domain image of wildlife, wild animals, nature, free to use, no copyright restrictions.
Milkweed (Asclepias), Whiteman Mission National Historic Site, 2014.
The milkweed genus, Asclepias, contains over 140 known species. Named for its milky sap, this plant is probably most well-known for being the only food source for milkweed butterflies (including the monarch but... More
Invasive Japanese honeysuckle (Lonicera japonica), Charles Pinckney Na...
Native to eastern Asia, this twining vine (i.e., a climbing plant that grows in a helix around a support) is able to climb up to 33 feet high! Interestingly, this plant always twines around its support from lef... More
Morning glory (Convolvulaceae), Charles Pinckney National Historic Sit...
The common name 'morning glory' is used to describe over 1,000 species of flowering plants in the Convolvulaceae family! Most morning glory flowers unravel in the early morning, though a few are actually night-... More
Indian blanket (Gaillardia pulchella), Chickasaw National Recreation A...
This species of North American flowering plant belongs to the sunflower family. This hardy plant isn't picky about soil and is highly drought-tolerant, so grows best within a dry, hot climate in full sun.
Spring at the park, Clara Barton National Historic Park, 2014.
Picryl description: Public domain image of a small palace, chateau, villa, residential historic building, free to use, no copyright restrictions image.
Blooms on the mountainside, New River Gorge National River, 2014.
Picryl description: Public domain image of a world heritage landmark, natural or regular park, free to use, no copyright restrictions.
Wildflowers in bloom, Agate Fossil Beds National Monument, 2014.
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Nodding onion (Allium cernuum), Wolf Trap National Park for the Perfor...
Although no longer used in modern kitchens, this onion still makes a beautiful addition to any sunny garden or xeric (i.e., very dry) landscape. They are easy to identify from other native onions because of a n... More
Nature at the George Washington Carver Museum, Tuskegee Institute Nati...
Picryl description: Public domain image of a flower, blooming, botanical illustration, free to use, no copyright restrictions.
Las Vegas bearpoppy (Arctomecon californica), Tule Springs Fossil Beds...
Even though 'californica' is in its name, the Las Vegas bearpoppy isn't actually found in California. It prefers the harshest, driest soils of the Mojave Desert where few other plants survive. This photo of the... More
Pecan (Carya illinoinensis), Jimmy Carter National Historic Site, 2015...
The word 'pecan' refers, in its most broad sense, to any nut requiring a stone to crack. This includes pecans, walnuts and hickory nuts. The pecan, like the fruit of every other member of the hickory genus, isn... More
Eastern tiger swallowtail, Shenandoah National Park, 2015.
There are many important pollinators in nature, including butterflies. So, what does it take to pollinate one of the largest flowers in Shenandoah NP? This bloom is called Turk's cap lily (Lilium superbum), and... More
Wildflowers in bloom, Lake Mead National Recreation Area, 2015.
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Blooming landscape, Cedar Creek & Belle Grove National Historical Park...
Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Wildflowers, Russell Cave National Monument, 2015.
Lance-leaved coreopsis (Coreopsis lanceolata). Public domain photograph of a wildflower close up, nature, flowers, free to use, no copyright restrictions image - Picryl description
Goldenrod (Solidago), Saint Croix National Scenic Riverway, 2015.
Goldenrod pollen is too heavy and sticky to be wind-blown far from the flowers. Thus, it is mainly pollinated by insects.
Dogwood blooms (Cornus), Valley Forge National Historical Park, 2015.
The genus Cornus includes 30-60 species of wood plants commonly called dogwoods, which are usually distinguished by their blossoms, berries and distinctive bark.
Wildflowers in bloom, Lake Mead National Recreation Area, 2015.
Picryl description: Public domain image of a flower, blooming, botanical illustration, free to use, no copyright restrictions.
Lone wildflower blooming on the desert landscape, Oregon Pipe Cactus N...
Picryl description: Public domain image of a flower, blooming, botanical illustration, free to use, no copyright restrictions.
Bluffs are in bloom, Scotts Bluff National Monument, 2015.
Picryl description: Public domain image of a flower, blooming, botanical illustration, free to use, no copyright restrictions.