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

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

Agapanthus 'Galaxy Blue' has large umbels of royal blue, trumpet-shaped blossoms. Hardy to zone 6!

Agapanthus 'Galaxy White' has five inch wide umbels of white, trumpet-shaped blossoms on tall stems. Hardy to zone 6!

Agapanthus 'Poppin' Purple' is a compact, fast-growing lily-of-the-Nile with violet purple flowers.

Agapanthus 'Summer Love Blue' has fragrant violet-blue flowers on strong green stems and green, strap-like foliage.

Among the best of the blue Agastache, 'Black Adder' has blue flowers and deep purple blue bracts for a bicolour effect.

Agastache 'Blue Bayou' is a long-blooming hummingbird mint with blue tubular flowers and aromatic foliage.

Hot sunny spots will never be the same with long-blooming Agastache 'Blue Boa'. Butterflies and bees will love you!

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

Agastache 'Danish Delight' is an anise hyssop with vibrant hot pink to reddish-purple blooms and fragrant green foliage.

Agastache 'Mango Tango' is a compact, long-blooming hummingbird mint with dusky rose and peachy orange flowers.

Agastache 'Morello' is a dramatic hummingbird mint with huge, dense infloresences of deep burgundy rose flowers.

Agastache 'Pink Pearl' is a stunning hummingbird mint with dense spikes of mid pink buds opening to glowing light pink flowers.

Agastache Meant to Bee 'Queen Nectarine' has soft peach flowers with mauve calyxes on tall three foot stems.

Agastache 'Rosie Posie' is a compact cultivar with two-tone, magenta and pink flowers that will bloom all summer and attract pollinators.

Agastache 'Royal Raspberry' is a long-blooming hummingbird mint with fragrant purple tubular flowers and aromatic foliage.

Agastache 'Tango' is a dwarf cultivar with big flower power in firey orange for containers or the front of the border.

Agastache Kudos 'Red' hummingbird mint has bright true red flowers atop aromatic foliage for months in the sunny garden.

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.

Andropogon gerardii 'Holy Smoke' is a big bluestem with green to purple, pink and red foliage with golden brown flowers.

Antennaria dioica 'Rubra',pink pussytoes, is small, cold hardy ground cover with silver leaves and fuzzy, pink flowers.

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

Asclepias fascicularis is a monarch butterfly host with intricate pale pink and white flowers.

Asclepias incarnata 'Cinderella' has dense clusters of small rose pink and white vanilla-scented flowers that attract butterflies.

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.

Support monarch butterflies and plant this beautiful eastern milkweed, Asclepias syriaca.