Acanthus mollis 'Latifolius' Bear's Breeches	SH-PSH 48-72"		July-August Mauve/Pink	What in the world do bear breeches look like? This plant has spectacular foliage! Its huge leaves are dark green, glossy, and deeply lobed, making it a perfect specimen for the shade garden.  The Acanthus flower is similar in appearance to that of a Foxglove.
Achillea millefolium 'Appleblossom' Yarrow, Appleblossom	S 24-30"		June-September Pale Pink	This plant does well in full sun.  Its flowers are white tinged with pink when they first open and gradually change to a complete pink color.  It makes a nice cut or dried flower.
Achillea millefolium 'Fireland' Yarrow, Fireland	S 24-36"		June-August Red	This Yarrow gets large, bright red flowers during the early summer.  The red turns to pink as the season progresses, and finishes in the fall with a golden hue.  Like all Yarrows it makes a great cut flower, and can easily be dried.
Achillea millefolium ' Yarrow, Paprika Paprika'	S 24-30"		June-August Bright Red	Blazing red flowers adorn this Yarrow throughout the summer.  The vividness of the blooms is bound to be an attention-getter in the garden. It also works wonderfully as a cut or dried flower.
Achillea millefolium 'Summer Pastel' Yarrow, Summer Pastel	S 18-24"		June-August Mixed	The varying soft hues of this plant make it a garden favorite.  Soft, fern-like foliage adds to the plants appearance, and makes it well suited for group plantings.
Achillea x 'Anthea' Yarrow, Anthea	S 24-36"		June-September Pale Yellow	This hybrid Yarrow comes from the "Blooms of Bressingham" series and is an exceptional plant.  It grows to three feet in height and stays compact.  Its pale yellow flowers last throughout the summer.  This perennial is very drought tolerant.
Achillea x 'Coronation Gold' Yarrow, Coronation Gold	S 24-36"		June-September Yellow	This is arguably the best yellow Yarrow available. Its large deep-yellow flowers are held on sturdy stems which do not require staking, and they are great for cutting.
Achillea x 'Moonshine' Yarrow, Moonshine	S 12-24"		June-September Yellow	A hybrid plant, this Yarrow is the best bright yellow representative in the family.  One of its strengths is that it stays compact and upright.  The blooms make excellent cut or dried flowers.
Agastache x 'Blue Fortune' Hyssop, Blue Fortune	S-PSH 24-36''		June-October Blue	This Hyssop attracts both hummingbirds and butterflies.  It's a long bloomer that is covered with dark blue flowers throughout the summer.  It also has a distinct licorice scent when it is in bloom.
Ajania pacifica Ajania, Silver and Gold	S 12-24"		September-October Yellow	The silver-edged leaves of this mounding plant make it attractive all season long. Though it forms yellow flowers  in the late fall it is normally grown for its foliage.
Ajuga pyrimidalis 'Metallica-Crispa' Bugle Weed, Metallica Crispa	PSH 6-9"		May-June Blue	This plant looks like it just emerged from a long soak in the bathtub.  It is covered in wrinkles.  A metallic green foliage color provides its name.  A partially shaded area is best for this plant.
Ajuga reptans 'Bronze Beauty' Bugle Weed, Bronze Beauty	PSH 5-7"		May-June Violet	A rapid-growing perennial ground cover, excellent under trees and in rock gardens. It is rather informal, preferring freedom to spread on its own terms.
Ajuga reptans 'Catlin's Giant' Bugle Weed, Catlin's Giant	PSH 7-12"		May-June Violet	The largest Bugle Weed on the market, Catlin's Giant makes an excellent groundcover or accent plant. Bugle Weeds also work well in planters and containers.
Alchemilla mollis Lady's Mantle	S-PSH 15"		May-June Yellow	This is an easy-to-grow ground cover with tiny clusters of yellow flowers that stand well above the leaves.  The foliage holds its rich green color throughout the growing season.
Alchemilla mollis 'Thriller' Lady's Mantle, Thriller	S-PSH 15"		May-June Yellow	This cultivar has large yellow flowers that stand well above the foliage. It maintains its lush green foliage all season long.  Unfortunately it is underused and underappreciated by most gardeners.
Amsonia x 'Blue Ice' Star Flower, Blue Ice	S-PS 12-15"		May-June Blue/Violet	The longest blooming Blue Star Flower available, this plant normally flowers for  more than a month.  It has a compact habit,  and its foliage turns yellow in the fall.
Anemone hupehensis 'September Charm' Windflower, September Charm	PSH-SH 24-30"		September Pink	This plant produces shallow cup-shaped flowers in the fall when most other plants are declining.  This trait makes it perfect for late season color in the perennial garden.
Anemone sylvestris Windflower, White	S-PSH 12-18"		May White	This perennial gets a beautiful snowy white flower in the spring.  Its foliage is dark green and provides a nice background for the flower.  It likes to spread, so make sure you have some room for it to grow.
Anemone sylvestris 'Snowdrop' Windflower, Snowdrop	PSH 10-12"		April White	Fragrant white flowers are plentiful on this plant in the early spring, and re-occur in the fall.  The foliage stays low, and spreads quickly.
Anemone x 'Party Dress' Anemone, Party Dress	S-PS 32-42"		August-September Pink	Party Dress is an exceptionally showy hybrid. Late in the summer it puts on a spectacular show in the garden.
Aquilegia caerula 'Crimson Star' Columbine, Rocky Mt.	SH-PSH 12-24"		May-June White-Red	This Columbine produces beautiful, crisp, crimson sepals with white petals. It is a terrific spring bloomer!
Aquilegia x 'McKana Hybrids' Columbine, McKana Hybrid	S-PS 24-30"		May-June  Mixed	Large, bright, long-spurred blooms make this one of the most popular Columbines on the market.  It is a beautiful border plant that produces superb cut flowers if picked when half open.
Aquilegia x 'Musik Red & Gold' Columbine, Musik Red & Gold	PSH 12-24"		May-June Red/Yellow	This plant adds a quick splash of color to the spring garden.  Two flower colors are possible, red and golden yellow.
Armeria maritima 'Splendens' Thrift, Splendens	S 8"		May-July Pink	This Armeria produces round pink flowers in the spring that resemble the bloom of Chives. Its foliage is fine and grass-like.  Great for rock gardens and low borders.
Artemisia lactiflora Ghost Plant	S 36-60"		July-September White	Lovely creamy-white sprays over branches of gray-green leaves make this plant attractive.  It looks especially nice when planted with plants with darker foliage.
Artemisia lactiflora 'Guizho' Ghost Plant, Guizho	S 36-60"		July-September White	Considered an improved form of the species, Guizho has darker foliage and stems.  It comes from the "Blooms of Bressingham"  series, and upholds their lofty standards.
Artemisia ludoviciana 'Valerie Finnis' Wormwood, Valerie Finnis	S 15-18"		July Yellow	Unlike most Artemisias this plant has wide, almost unserrated, leaves. This cultivar is less invasive than the species, though it has a tendency to move around in the garden.
Artemisia schmidtiana 'Silver Mound' Silver Mound	S 12"		July Yellow	This perennial favorite has compact domes of silver, delicate looking foliage.  It has a tendency to look a little ragged by July, but if it is cut back it will flush out fresh new growth.
Artemisia stelleriana 'Silver Brocade' Wormwood, Silver Brocade	S 6-10"		July Yellow	This is a great low-growing plant for full sun.  Good drainage is required for this plant to thrive in the landscape.  Grow it for its foliage, not its flowers.
Artemisia x 'Powis Castle' Mugwort, Powis Castle	S 18-30''		July Silver	This plant is a compact, clump-forming Artemisia.  The foliage, which is fine and lace-like, is also fragrant.  'Powis Castle' holds its shape better than most other upright Artemisias.
Aruncus aethusifolius Goats Beard, Dwarf	SH-PSH 18-24"		May-June White	This plant produces showy panicles of creamy white flowers, which are similar to Astilbe.  The foliage is defined, and ornamental by itself.
Asarum canadense Ginger, Canadian	SH 4-8"		May-June Brown	This plant makes an interesting ground cover in a shaded area. The dull brown flowers are hidden under the leaves, so this plant should be used primarily for the foliage.
Asclepias incarnata Milkweed, Pink	S 36-60"		June-July Pink	This plant attracts butterflies and beautifies the garden.  It gets pink flowers during the summer and produces an ornamental seed pod in the fall.
Asclepias tuberosa Butterfly Weed	S 18-24"		June-August Orange	An excellent flowering native plant. Brilliant orange flowers (which are attractive to butterflies) provide a dramatic addition to the garden. Once the roots are established this plant becomes very drought resistant.
Asclepias tuberosa 'Hello Yellow' Butterfly Weed, Yellow	S 24-30"		June-August Yellow	The vibrant yellow flowers on this perennial are real show stoppers!  It attracts butterflies, and adds life to the garden.  'Hello Yellow' is a terrific hybrid of the native Asclepias plant.
Aster dumosus 'Wood's Pink' Aster, Wood's Pink	S 12-16"		September-October Pink	This is a very small and compact Aster that holds its shape well.  It provides a splash of color in the fall, and attracts butterflies as well.
Aster dumosus 'Wood's Purple' Aster, Wood's Purple	S 12-18"		August-September Purple	This is a small and compact Aster that is very disease resistant.  Its deep purple flowers are plentiful in the fall.  For the past three years it has been one of our best selling Asters.
Aster lateriflorus 'Lady in Black' Aster, Lady in Black	S 32-36"		September-October Pink/White	This Aster has dark foliage that is accented by pale-pink-to-white blooms late in the summer.  If it is planted in the shade its foliage will begin to turn green.  For the best dark foliage color plant it in a sunny location.
Aster lateriflorus 'Prince' Aster, Prince	S 30-36"		September-October White	This dark-leaved beauty has purple foliage that is complimented by white flowers in the fall.  If it is grown in the shade it may lose its purple color and turn green.
Aster nove-angliae 'Alma Potschke' Aster, Alma Potschke	S 24-48"		September-October Magenta	An old German Aster cultivar with lovely bright pink flowers, this plant is very informal.  It blooms without interruption for 4-6 weeks.  It has a tendency to fall over late in the season.
Aster oblongifolius 'October Skies' Aster, October Skies	S 24-36"		September-October Lavender	A tough Aster that thrives in sunny, well-drained areas.  Its foliage is quite aromatic.  The species is native to Pennsylvania.
Astilbe chinensis 'Pumila' False Spirea, Pumila	PSH 8-12"		June-August Lavender	This Astilbe has low growing foliage topped with dense plumes of lavender-purple flowers. It works well as a groundcover in shaded, moist locations.
Astilbe crispa 'Perkeo' False Spirea, Perkeo	PSH 6-8"		June Dark Pink	This is the smallest Astilbe on the market.  Because it is so compact it is well suited for small spaces or containers.
Astilbe japonica 'Europa' False Spirea, Europa	PSH 18-24"		June-July Light Pink	The light pink flowers on this plant appear in the early summer.  A moist and shady location will coax the best results from this plant.
Astilbe japonica 'Rhineland' False Spirea, Rhineland	PSH 18-24"		June-July Pink	An early flowering Astilbe, this plant gets large pink blooms.  A moist, shaded location will produce the best results with this plant.
Astilbe simplicifolia 'Sprite' False Spirea, Sprite	PSH 12"		July-August Pink	The 1994 Perennial Plant of the Year, this is one of the best dwarf Astilbes available.  Its tight clump-forming dark foliage is accented by pale pink flowers in the summer.
Astilbe x arendsii 'Bressingham Beauty' False Spirea, Bressingham Beauty	PS-SH 24-32"		June Pink	This Astilbe is another great plant from Bressingham.  It is a strong bloomer that performs well in part shade.
Astilbe x arendsii 'Diamond' False Spirea, Diamond	PSH 24-36"		June White	An elegant plant, this Astilbe brings a compact form and graceful, narrow white plumes to the garden.  It does best in partially shaded locations.
Astilbe x arendsii 'Erika' False Spirea, Erika	PSH 24-28"		July Pink	Less formal than other Astilbes, this plant has an open form.  Its foliage and flowers are loosely branched, giving it an airy look.
Astilbe x arendsii 'Fanal' False Spirea, Fanal	PSH 18-24"		June-July Red	This plant boasts attractive foliage with unusual fluffy blood-red flower spikes.  It works well as a border plant, but it can be used for almost anything in the garden.
Astilbe x arendsii 'Kwell' False Spirea, Kwell	PSH 24-30"		July Pink	This plant does best in partial shade.  Remove spent blooms to encourage repeat blooming.  It is an improved selection of Astilbe 'Erika.'
Astilbe x arendsii 'Sister Theresa' False Spirea, Sister Theresa	PSH 18-24"		June-July Soft Pink	The soft pink blooms of this plant look like mounds of cotton candy.  It is a medium sized Astilbe, reaching the height of two feet.
Astilbe x arendsii 'Snowdrift' False Spirea, Snowdrift	PSH 24-30"		July White	Beautiful, pure white flowers are the signature of this Astilbe.  Its blooms work exceptionally well as a cut flower.  This plant is happiest in a moist, shaded area.
Astilbe x arendsii 'Spartan' False Spirea, Spartan	PS-SH 24-36"		June Red	Known for its excellent foliage quality and dark red blooms, this cultivar is a great choice for the garden.  It looks very similar to Fanal, but it normally grows one foot taller.
Astilbe x rosea 'Peach Blossom' False Spirea, Peach Blossom	PS-SH 36-42"		June Pink	Peach Blossom is one of the largest Astilbes available, capable of reaching four feet in height.  It is impressive when it is in bloom, the panicles of flowers are quite large.
Astilbe x thunbergii 'Ostrich Plume' False Spirea, Ostrich Plume	PSH 30-36"		July-August Pink	This plant has arching pink flowers that create a weeping effect.  It stands approximately three feet tall and has red flower stalks.

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