Ammophila arenaria ( European Beach Grass )

This species in the grass family (Poaceae) has narrow grasslike foliage, with leaf veins typically parallel to one another and the leaf margins are most often smooth. With a few exceptions, such as bamboo, most grasses are herbaceous, meaning they […]

Amelanchier laevis ( Allegheny Serviceberry )

Spreading, multi-stemmed, shrubby tree reaching up to 25 feet in height and width. Ovate leaves are long, bronze and hairless when young turning green in summer and red or orange in the fall. Pendant racemes of white flowers bloom in […]

Amelanchier grandiflora ( Apple Serviceberry )

Spreading, multi-stemmed, shrubby tree reaching up to 25 fett in height and about 30 feet in width. Ovate leaves are long and bronze, hairy underneath, turning green in late spring and red to orange in the fall. Pendant racemes of […]

Amelanchier alnifolia ( Regent Saskatoon )

Compact, multi-stemmed, deciduous shrub or small tree reaching up to 6 feet in height and about 4 feet in width. Oval leaves are purplish when new, turning green with age. Covered with profuse, mildly fragrant white flowers in spring. Edible […]

Ambrosia artemisiifolia ( Common Ragweed )

Summer annual weed with hairy leaves and branched stems. Male and female flowers separate. Grows in pastures and fields. Weed common to the southeastern and northwestern United States. Seed reproduction. Produces abundant pollen and is known for causing hay fever.

Amaryllis belladonna ( Johannesburg Naked Ladies )

This is not the plant with the common name Amaryllis; look for Hippeastrum. Free flowering, pale pink, six-petaled, lily-shaped flowers are 2 to 4 inches long, and grow in clusters atop a strong, purplish flower stalk. Strap-shaped leaves grow basally […]

Amaryllis belladonna ( Cape Town Naked Ladies )

This is not the plant with the common name Amaryllis — look for Hippeastrum. Deep rose-red, six-petaled, lily-shaped flowers are 2 to 4 inch long, and grow in clusters atop a strong, purplish flower stalk. Strap-shaped leaves grow basally and […]