Abutilon megapotamicum has a drooping habit. The flowers are two to three inches long. The flowers are…
Acacia tenuifolia is an everblooming shrub with a stick substance on the young flower buds. The shrub…
The common name of acacia calamifolia is broom wattle. It is a tall shrub with slender, erect branches.…
The acacia armata shrub is eight to ten feet wide and seven to eleven feet tall. The fruit is ripe is…
The common name of acacia verticillata is whorl-leaved acacia. It is a spreading shrub or small tree…
Red-Hot Cat-Tail is the common name of acalypha hispida. This shrub is cultivated for its long red spikes…
The common name of acantholimon is prickly thrift. The glumaceum variety is six inches tall with small,…
The acanthorhiza aculeata tree grows thirty to forty feet tall. The tree is spiny at the base. The flowers…
Acer ginnala grows twenty feet tall. The leaves are three lobes. The flowers are yellowish and fragrant.
Red maple is the common name of acer rubrum. It is also known as scarlet or swamp maple. The flowers…
Achillea millefolium variation rubrum has red flowers. It is a variety of yarrow or milfoil.
The Achillea filipendulina plant grows between four and five feet tall. The flowers are yellow and grow…
The Pearl variety of Achillea ptarmica is a full double variety. It is one of the most popular of all…
Achimenes longiflora flowers are violet-blue and whitish beneath. The flowers grow alone on each stem.…
The flowers of Achimenes grandiflora are very large and distinctly red tinged. The leaves are mostly…
The flowers of Acidanthera bicolor are creamy white and blotched chocolate-brown within. The flowers…
The flowers of Acineta barkeri are yellow striped with red-brown. The pseudobulbs has a cone shape,…
The common name of Aconite uncinatum is wild monkshood. The flowers are blue and the leaves are thick,…
The common names of Aconite napellus are true monkshood and officinal aconite. It is the most poisonous…
The common name of Aconite autumnal is autumn aconite. The stem is three to five feet tall. The leaves…
Actinide argot is a high climbing shrub. There are three or more white flowers. The fruit is greenish…
The leaves of Actinoepis coronary are opoosite, except for the upper ones. The flowers are some of the…
Ada aurantiaca has pseudobulbs that are two to three inches long. The petals and sepals of the flowers…
The common name of Adansonia digital is baobab tree. The flowers of this tree open wide. The petals…
The common name of Adonis vernal is spring adonis. The flowers are large with 10-15 petals. The flowers…
Aechmea miniata variety discolor has purple leaves or leaves that are violet-brown on the back.
The leaves of Aerides odoratum are six to eight inches long and up to two inches broad. The flowers…
Common horse chestnut is the common name of Aesculus hippocastanum. The tree is large, between sixty…
Aesculus georgiana is a shrub that grows six feet tall. The flowers are red and yellow. The shrub flowers…
The common names of agapanthus umbellatus are African Lily and Lily-of-the-Nile. The flowers are blue…
The leaves of Agave americana are smooth, gray, and lance shaped. The plant has moderately large gray…
Pictured is Agave americana as commonly grown in greenhouses. It is the yellow margined form.
The inflorescence of agave attenuata is five to ten feet long. The flowers are paired, about two inches.
The leaves of Ageratum houstonianum are heart shaped at the base. The flowers are blue.
Pictured are the flower and bud of Agrimonia euphoria. The common name of the plant is common agrimony.…
The flowers of Akebia quint are purple and fragrant. The flowers appear in early spring.
Allamanda cathartica variety hendersonii is tall, vigorous, and free flowering. The leaves are large,…
The common name of Allium fistulosum is welsh onion. It has no distinct bulb, but only an enlarged base…
The flowers of Allium moly are numerous and appear in early spring. The leaves are flat and broad.
The leaves of Allium neapolitanum are long and narrow. The flowers are large, pure white, with colored…
The common name of Allium tricoccum is common wild leek. The flowers are greenish white on a scape four…
The leaves of Alloplectus schlimii are green above and violet or violet purple beneath. The calyx is…
The leaves of Aloe mitriformis are upcurved and slight egg shaped. The leaves are somewhat prickly toward…
Alonso incisifolia grows about two feet high. The flowers grow nearly two inches across, are irregular,…
Alpine Mutica has very short stalked leaves. The outer segments of the flowers are white while the bright…
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.…