Achillea 'Apricot Delight' has large, flat-topped flower clusters in various shades of pink on strong stems up to 24 inches with fragrant, fern-like foliage.

Achillea millefolium 'New Vintage Red' has large, flat-topped flower clusters of bright red with white centres.

Achillea millefolium 'New Vintage Rose' has large, flat-topped flower clusters of rose pink with white eyes on strong stems to 24 inches.

Achillea millefolium 'New Vintage Violet' has large, flat-topped flower clusters of bright lavender pink with white centres.

Achillea millefolium, the common yarrow, is an important nectar source and host plant for a diversity of insects.

Achillea ptarmica 'Peter Cottontail' is a unique yarrow with white, button-like flowers held in low, cloud-like mounds.

Aconitum 'Cloudy' is a gorgeous bicolour monkshood with blue and white flowers.

Aconitum 'Rubellum' is a distinctly different monkshood with pretty pink flower spikes.

Actaea japonica 'Silver Blush' has has wands of creamy-white bottle brush flowers and serrated silver foliage maturing to green.

Actaea japonica 'Silver Dance' is has wands of creamy-white bottle brush flowers and silver foliage maturing to green.

Actaea (Cimicifuga) 'White Pearl' has dissected green foliage and exceptionally long spires of fragrant white flowers in late summer.

Actaea pachypoda 'Misty Blue' is a white baneberry with bluish foliage and white flowers followed by white fruit with a black dot.

Adenophora 'Gaudi Violet' is a beautiful bellflower relative with elegant spikes of light violet bell-shaped flowers.

Adiantum pedatum, the northern Maidenhair fern, is one of the most beautiful of all ferns with distinctive palmate fronds.

'Crazy Fortune' is a sport of Agastache 'Blue Fortune' with lavender blue flowers and variegated foliage.

Ajuga Feathered Friends 'Cordial Canary' is a semi-evergreen bugleweed with bright gold foliage and cobalt-blue flowers.

Ajuga Feathered Friends 'Fancy Finch' is a semi-evergreen bugleweed with trifoliate colours of gold, bronze and green with blue flowers.

Ajuga Feathered Friends 'Fierce Falcon' is a semi-evergreen bugleweed with glossy, purple to black foliage and cobalt-blue flowers.

Ajuga Feathered Friends 'Noble Nightingale' is a semi-evergreen bugleweed with metallic black leaves and cobalt with blue flowers.

Ajuga Feathered Friends 'Parrot Paradise' is a semi-evergreen bugleweed with yellow, orange, and red leaves with blue flowers.

Ajuga Feathered Friends 'Tropical Toucan' is a semi-evergreen bugleweed with golden yellow leaves with blue flowers.

Ajuga reptans 'Golden Glow' has gold and cream variegated foliage that is flushed with pink in cooler weather.

Ajuga reptans 'Princess Elsa' is an evergreen bugleweed with shiny, silver foliage and blue-purple flowers.

Ajuga reptans 'Princess Leia' is a tricolour variegated, evergreen bugleweed with silver-green, creamy white and dark green foliage.

Alcea rosea Spotlight 'Mars Magic' is a hollyhock with large, old-fashioned, single, red flowers with bright yellow eyes.

Alchemilla erythropoda, the dwarf lady's mantle, is a more compact version of A. mollis with blue-green leaves.

Allium cernuum is a light pink nodding onion native to BC that is extremely hardy, edible, and deer resistant.

Two tones of dark and light blue make the flowers of Amsonia 'Blue Ice' the best in the genus.

Amsonia 'String Theory' is a hybrid blue star displaying star-like baby blue flowers above dark green threadleaf foliage.

Amsonia 'Storm Cloud' displays star-like periwinkle blue flowers above silver veined foliage on dramatic near-black stems.