Aquilegia Earlybird 'Purple Blue' is a columbine with single purple-blue flowers.

Aquilegia Earlybird 'Red Yellow' is a columbine with bi-coloured single flowers of yellow and red.

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

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

Armeria pseudarmeria Dreameria 'Dreamland' is a sea thrift with spherical heads of bright pink flowers.

Artemisia 'Garden Ghost' is a mounding wormwood with beautiful recurved silver-grey foliage and yellow flowers.

Artemisia 'Silver Lining' is a mounding white sagebrush with beautiful, broadly dissected, silver-gray foliage.

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

Asarum canadense is the Canadian wild ginger with bell-shaped brownish-purple flowers and heart-shaped leaves.

Asarum caudatum is a beautiful western North American wild ginger that includes BC within its native range.

Asclepias curassavica 'Monarch's Banquet' is a tender variegated milkweed with nectar-rich blooms in bright orange-reds all summer long.

Asclepias curassavica 'Monarch's Promise' is a variegated milkweed with blooms in scarlet red and orange all summer and fall.

Asclepias tuberosa 'Blonde Bombshell' is a golden yellow form of this eastern North American butterfly milkweed.

Asclepias tuberosa 'Deep Red' is a North American butterfly milkweed with nectar-rich, dark orange flowers.

Asclepias tuberosa 'Hello Yellow' is an Eastern North American Butterfly milkweed with nectar-rich yellow flowers that feeds Monarch butterflies.

Asclepias viridis is the green milkweed with large clusters of green petals and purple throats.

Asimina 'KSU-Chappell' is said to grow up to twice as fast as other cultivars and produces delicious fruit.

Asparagus officinalis 'Equinox' is a delicious, all male cultivar bred for its vigour, high yield and uniformity of size. Harvested from year two and onward.

Asphodeline lutea, king's spear or yellow asphodel, has tall, vertical spikesof fragrant, yellow, lily-like flowers.

Aster novae-angliae 'Grape Crush' is a New England aster with purple flowers with orange eyes.

Aster Island 'Bahamas' offers deep hot pink flowers with bright yellow centres.

Aster Island 'Barbados' has late season light purple flowers and bright yellow centres.

Astrantia major 'Ruby Cloud' has large clusters of tiny ruby-red flowers in a dome-shaped flowerhead with colourful bracts.

Astrantia major 'Sparkling Stars White' offers palmate foliage topped with intriguing white flowers with hints of green.

Astrantia 'Star of Magic' is a double duty masterwort with variegated foliage and months of deep red-pink flowers.