All flowering shrubs and trees on letter A

Abelia
(Abelia)

use: hedgerow, single plant

colors: white

Amorpha-nana
(Amorpha-nana )

use: single plant

colors: claret

American Bladdernut
(Staphylea )

use: single plant, group planting

colors: white

Arctic raspberry
(Rubus-arcticus)

use: group planting

colors: pink

Almond
(Amygdalus)

use: single plant, group planting

colors: pink

Azaleas, Pinxterbloom
(Rhododendron)

use: hedgerow, single plant, group planting

colors: white, red, orange, yellow, pink, lilac

Apple ornamental
(Malus)

use: single plant, group planting

colors: white, pink, claret