The flowers of Alstroemeria pulchella are dark red tipped with green and spotted inside with brown.…
The common name of Althaea officials is marsh mallow. The flowers are blush or rose and one inch across.…
Sweet alyssum is the common name of Alyssum maritime. The flowers grow in clusters at the end of the…
The common name of Alyssum saxatile is golden tuft. The numerous flowers are golden yellow. The plant…
Alyssum argenteum is a dwarf and dense grower. The flowers are yellow and grow in clustered heads. The…
The common name of Amaranths caudates is love-lies-bleeding. The plant is tall, about three to five…
The Amaranths gangeticus plant is three feet tall or smaller, usually only one foot tall. The flowers…
The common name of Amaryllis belladonna is belladona lily. The flowers are usually rose red and fragrant.…
Amelanchier alnifolia is a ten foot tall shrub with stout, upright branches. The flowers are rather…
The common names of Amorphophallus riviera are devil's tongue and snake palm. Pictured is the flower…
The common names of Anagalis arvensis are common pimpernel and poor man's weatherglass. The flowers…
The dropmore variety of Anchusa italica grows three feet tall. The flowers are purple and grow in loose…
Andromeda polifolia grows up to two feet tall. The flowers nod on small, slender stems. The leaves are…
The common names of the nuttalliana variety of Anemone patens are wild patens and American pasque flower.…
Anemone coronaria has tuberous roots. The flowers grow up to one foot tall from the roots
Pictured is the semi-double flowered variety of Anemone coronaria. The common name is poppy-flowered…
The flore-pleno variety of Anemone coronaria is the double flowered variety. The flowers have many colors…
Anemone fulgens flowers are two inches across and vivid scarlet with a black stamen. Several leaves…
The common name of anemone hortensis is broad-leaved garden anemone. The flowers are red, rosy purple,…
The common name of Anemone nemorosa is wood anemone. The flowers are one inch across and are white or…
The stem of Anemone japonica is two to three feet tall. The plant is soft and downy, with short hairs.…
The stems of Angraecum superbum are four feet or more tall. The flowers are green and spreading with…
Pictured is a semi-formal garden space of annual flowers. Annuals are plants that bloom in the open…
Anoetochilus regalis flowers are some of the most attractive of the anoetochilus. The leaves are oval,…
The common name of Anthemis tinctoria is golden marguerite. The plant grows two to three feet tall.…
The common names of Anthemis cotula are may-weed and dog fennel. The weed grows one to two feet high.…
The common name of Anthericum liliago is St. Bernard's Lily. The stem is simple and two to three feet…
The common name of Anthericum liliago is St. Bernard's Lily. Pictured is the stolon of the flower.
Anthurium scherzerianum grows one or two feet high. The flowers are slender, curled, and yellow.
The leaf blades of Anthurium andraeanum are drooping. The flower spike is three to four inches long…
The albus variety of Antigonon Leptopus has flowers that are nearly or quite white. Pictured is a plant…
The common name of Antirrhinum orontium is small snapdragon. The flowers are small and purple or white.…
The common name of Antirrhinum majus is common or large snapdragon. The flowers are large and come in…
The flowers of Antirrhinum maurandioides are one inch or more long. The flowers are violet or purple.…
The leopoldii variety of Aphelandra squarrosa is showy with yellow flowers.
Aphyllon uniflorum has white or violet flowers. Each stem has one flower and is leafless. The plant…
The common names of Apios tuberosa are groundnut and wild bean. The plant grows between four and eight…
The common names ofAplectrum hyemale are putty root and Adam-and-Eve. The pods are oblong and pointed.…
Pictured are the flower cluster and the leaf cluster of an apple tree.
The flowers of the apricot are pink-white. The flowers grow singly and precede the leaves.
The common name of aquilegia canadensis is common columbine. The plant grows one to two feet tall. There…
Aquilegia chrysantha grows between three and four feet tall. There are many flowers on the plant. The…
The Aquilegia longissima plant is tall and covered in silky hairs. The flowers are pale yellow. The…
The stem of Aquilegia alpina is nearly one foot tall. The plant has two to five flowers. The flowers…
Aquilegia glandulosa is one to three flowered. The flowers are large and nodding. The flowers are lilac-blue…
The common name of arabis is rock-cress. The albida variety is only a few inches tall. The plant is…
Bear berry is the common name of Arctostaphylos uva-ursi. The flowers are small, white and tinged with…
Arctotis grandis forms a bushy clump between two and two and a half feet tall. The flowers are white…
Ardisia crenulata has oblong, wavy margined leaves. The fruit droops is clusters. The flowers are sweet…
Arenaria grandiflora grows ten inches or less high. The flowers are large and grow solitary or in twos…
Arethusa bulbosa is a pretty orchid that grows between eight and ten inches tall. The flowers is a bright,…
The common name of Argemone mexicana is prickly poppy. The plant grow one to two feet tall. The flowers…
Argemone grandiflora grows one to three feet tall and has very few prickles. Three to six flowers grow…
The Ariocarpus lloydii plant has a rounded top that is four inches or more in diameter. The flowers…
The common names of Aristolochia macrophylla are dutchman's pipe and pipe vine. The flowers are u-shaped…
Pictured is the longitudinal section of Aristolochia macrophylla. Shown is the ovary and the short column…
The common names of Aristolochia grandiflora are pelican flower, goose flower, swan flower, and duck…
The leaves of Aristolochia grandiflora are heart shaped. The leaves taper to a point. The common names…
The common name of Armeria vulgarism is common thrift. The flowers are white, pink, or red. The leaves…
The common names of Arnica montana are mountain tobacco and mountain snuff. The plant is a foot high…