Perennials

Aquilegia caerulea (ROCKY MTN COLUMBINE)

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Hardiness zones 3-8 Fields of these brilliant-blue and white spurred flowers are an inspiring sight in Colorados high Rockies where its the state flower. S-PSh/M/GDr 

Apios americana (GROUNDNUT)

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This interesting vine native to the eastern United States is important historically and also a great addition to the edible landscape! This perennial vine is sometimes called the potato bean, Indian potato, cinnamon vine or American groundnut, among...

Ajuga reptans 'Catlins Giant' (GIANT BUGLE WEED)

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This gorgeous perennial forms a lustrous, shining, groundcover of ever-green, bronze-tinted (larger than usual) foliage that reaches one foot tall and three feet wide. This handsome, easy-growing groundcover also provides bright blue-purple flowers in...

Agapanthus 'Twister' (BICOLORED LILY-OF-THE-NILE)

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A recipient of the Award of Garden Merit by the Royal Horticultural Society, this stunning Lily-of-the-Nile blooms with 6-8 inch wide umbels of bicolored flowers. Its petals are stark white and open from deep blue/violet throats, standing 1-2 feet tall...

Asclepias speciosa (SHOWY MILKWEED)

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Hardiness zones 3-9 This stunning native wildflower is wonderful for wildlife gardens! Monarch butterflies rely on it for larval food and nectar while Orioles use the dead stems for nesting materials. This beauty is found from Minnesota to BC and south...

SPINY BEAR'S BREECH Acanthus spinosus

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Very attractive but rare, this species is stoloniferous with 2-3' leaves, darker green & deeply divided, and striking spires of mauve foxglove-like flowers; the species of classical & architectural renown. PSh-S/M/GDr Zone 8

Bergenia 'Fairytale Romance' (PIGSQUEAK.)

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This is a unique and charming plant, which blooms in early spring with a proliferation of apple blossom pink flower clusters, standing gracefully over its glossy, dark-green, evergreen foliage. It is a lovely choice for borders or containers, and its...

Aster novae-angliae 'Purple Dome' (FALL ASTER)

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This fine compact Aster introduced by Mt. Cuba Center forms an 18" mound of deep purple which is eye-catching by itself and show-stopping mixed with other fall minis”. S/M ...

Agapanthus 'Two Times Blue' (LILY-OF-THE-NILE)

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Fully double (which means long-blooming and no seeds) and very lovely sky-blue globes of flowers decorate this compact 2' x 2' mounder summer to late summer; delightful in border or container. S-PSh/M ...

Aster novae-angliae 'Grape Crush' (NEW ENGLAND ASTER)

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A vibrant and stunning 30"x40" Aster, which grows in a large, round, dark green mound, and wears profusions of deep purple, fall blooms. Even with the weight of so many flowers, this fall aster holds its mounded shape beautifully. S/M PP33612 Zone 3

Anemone hybrida 'Honorine Jobert' (WHITE JAPANESE ANEMONE)

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Stunningly beautiful, pure-white petals overlap around a center of glowing, golden stamens. The blossoms are perched gracefully on 3-4' stems rising above the clumps of lush deep-green trifoliate leaves. This heirloom from France was discovered in 1858...

Camassia quamash (COMMON CAMAS)

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In spring, swales in moist areas are made blue by the hyacinth-like spikes of these native bulbs. The bulb itself is "plump and nutritious, forming [for Indian cooks] a substitute for bread" (Lewis). S/M-W Dry in Summer ...

Bergenia 'Sakura' (PIGSQUEAK)

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The semi-double pink spring flowers of this compact elephant ear” plant look like cherry blossoms (thus sukura'); its round glossy evergreen foliage is deep-purple in winter... a stunner for the border. S-PSh/M ...

Agapanthus praecox 'Headbourne Blue' (LILY-OF-THE-NILE)

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Beautiful, bold flower heads on 3' stalks in summer are made of up to 75 trumpet-shaped flowers each ranging in cooling shades of soft-blue to violet standing above semi-evergreen mounds of dark-green strap-shaped leaves; resistance to salt spray makes...

Asclepias incarnata 'Cinderella' (SWAMP MILKWEED)

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Showy and long-lasting clusters of intriguing pink flowers on easily-cut 3' stems will make this new almost-native” popular for butterfly gardens, streamside/meadow gardens and for the pretty bouquet on the table. S/M-W ...

Anemone hupehensis 'Fantasy Pocahontas' (JAPANESE ANEMONE)

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Numerous frilly, bubblegum-pink summer flowers bloom beautifully on very sturdy stems. These easy-going plants are compact, vigorous, long blooming and provide that pop of color later in the season, when many other perennials have faded away. A great...

Asclepias incarnata (SWAMP MILKWEED)

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Hardiness zones 3-9 This unusual species of milkweed features wonderfully intricate and very showy, bright-pink flowers on 2-4' stems. This species is exceptionally useful for naturalizing in moist gardens or swampy locations and it is the larval food of...

Campanula 'Pink Octopus' (BELLFLOWER)

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Hardiness zones 5-9 Wonderful, deeply Octopus-leg divided flowers of white and deep-rose ... up to 50 at a time!... top 18" stems of deeply-cut foliage over a long summer period. S-PSh/M PPatentAF PVR 

Brunnera macrophylla 'Alchemy Silver' (SIBERIAN BUGLOSS)

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Small, baby blue forget-me-not, spring flowers seem to float above charming and durable heart-shaped leaves, covered almost entirely with radiant silver. A shining eye-catcher for shady areas that could use something bright. A tough little plant too,...

Asclepias fascicularis (NARROW-LEAVED MILKWEED)

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Hardiness zones 6-10 This delicate-looking wildflower from the western United States is extremely drought-tolerant, trouble-free and very important for wildlife. Clusters of intricate, purplish-pink-tinted, white flowers sit on stalks above the2-4'...

Agastache 'Kudos Mandarin' (DWARF ORANGE HUMMINGBIRD)

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Brilliant, apricot-to-orange blossoms appear in masses of bright plumes from June to September! Bright-green, highly fragrant foliage is compact (18-20") requiring no staking. Easy-care and disease-resistant making this perennial a perfect splash of...

Bergenia 'Pink Dragonfly' (DWARF CORAL-PINK PIGSQUEAK)

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The narrow dragon-fly-wing” leaves of this smaller-sized Elephant Ears are a shiny plum-red during winter and topped by unique coral-pink flowers which are a treat in the early spring garden. PSh-Sh/M ...

Brunnera macrophylla 'Alchemy Pewter' (SIBERIAN BUGLOSS)

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Showy, heart-shaped, low-growing, pewter colored foliage with conspicuous green veining, and dainty forget-me-not springtime flowers. A vigorous beauty for shaded groundcovers, and containers. PSh-Sh/M Zone 4

Baptisia lactea (WHITE BAPTISIA)

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Hardiness zones 4-9 This striking prairie wildflower looks like asparagus at first before it sends up its show-stopping 3-5' plumes of creamy white flowers in early summer; attractive blue-green foliage and deep-indigo colored seeds are extra! S/M