Aquilegia Earlybird 'White' is a columbine with single white flowers, yellow stamens and long spurs.

Aralia 'Sun King' has bold, golden foliage offering a tropical look from an extremely hardy plant.

Arbutus menziesii is an attractive evergreen tree with peeling red/brown bark, clusters of fragrant white or pink flowers and edible scarlet fruit.

Arctostaphylos uva-ursi, known as kinnikinnick or bear berry, is a slow-growing evergreen native ground cover.

Armeria pseudarmeria Dreameria 'Dream Clouds' is a long-blooming sea thrift with spheres of white flowers.

Armoracia rusticana is known as horseradish and is harvested for its pungent, fleshy roots and used as sides in culinary dishes.

Artemisia 'Silver Brocade' forms mounds or carpets of drought tolerant silvery-white, textured foliage.

Aruncus dioicus, the giant goat's beard, is a stately BC native perennial with tall, creamy white plumes.

Aruncus 'Chantilly Lace' produces lacy, branched, horizontal spikes of creamy white flowers atop Astilbe-like foliage.

Aruncus 'Fairy Hair' is a goat's beard that produces sprays of creamy-white flowers above Astilbe-like, highly dissected foliage.

Aruncus 'Guinea Fowl' is a compact and floriferous goat's beard with highly dissected, fern-like, crinkly leaves and horizontal spikes of bright white flowers on red stems.

Asarum caudatum f. album known as western wild ginger has glossy evergreen leaves and 3-petaled creamy-white flowers.

Asclepias 'Ice Ballet' has intriguing and ornate icy white milkweed flowers on strong stems. Beautify your garden and help the butterflies.

Asclepias perennis is a butterfly milkweed with white and pink flowers.

Asclepias speciosa is the western North American sister species to the eastern common milkweed (Asclepias syriaca).

Asclepias verticillata is a rare eastern North American native known as the whorled milkweed.

Aster 'Bridal Veil' forms a unique cascading and trailing mound covered in thousands of tiny, ivory white flowers in late summer and fall.

Aster divaricatus 'Eastern Star' is a shade aster with jet black stems and clouds of tiny white flowers in fall.