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Bay State Perennial Farm is known for its wide selection of perennials. Plants are listed alphabetically by their latin names and can be located by clicking on the first letter of the plant name in the alphabet above.
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Dahlia Look for Dahlias under Tenders.
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DARMERA peltata (Umbrella Plant) Massive, round leaves similar to Petasites form an impressive mound 3' high. Light pink flowers on tall petioles appear in May before the foliage. Prefers ample moisture and rich, even boggy soil; tolerates partial morning sun. These are large, aggressive plants and should only be used on sites that can accomodate their aggressive nature. Zones 5-7.
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Delosperma ‘Beaufort West’ New Selected from high in the Niewveld Mountains in South Africa, this cute little succulent developes tight cushions of tubular leaves covered from spring til fall with cheery, apple-blossom pink, daisy-like flowers. Only 1" high. Requires full sun and excellent drainage. Zone 5.
cooperi Flat mats of lance-shaped, three-sided,tube-like leaves. Rose-pink flowers bloom summerto hard frost. Hot full sun and excellent drainage. 
sutherlandii ‘Peach Star’ New Peach-pink flowers with pale yellow centers bloom on 3" stems over succulent foliage. Zone 5.
DELPHINIUM Despite their somewhat demanding nature,- fertile, moist, but well drained soil, full sun and the likely need of staking - it’s hard to imagine a garden,-or a bouquet- without Delphiniums. A second bloom can be had by removing spent flower stalks immediately after flowering. 
grandiflorum (Chinese Delphinium) Small to midsize plants with gorgeous blue flowers, Chinese Delphiniums flower for much of the summer if deadheaded. They are more carefree than their more statuesque cousins—no staking, no pests. Their one drawback is a tendency to be shortlived, though they may self-seed a bit.
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grandiflorum 'Blue Butterfly' Low, (16ins. high), loose, open stalks of iridescent, marine blue flowers starting in June and continuing for a long period. A beacon of color in the early summer border.
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x belladonna ‘Connecticut Yankees’ A lower growing, sturdy and reliable strain in a mix of colors ranging from deep purple, through every shade of blue, to white. Well branched flower stalks rise 3½ ft. above a thick tuft of basal foliage and bloom over a very long period, essentially all summer if flowers are cut. Easy to grow in average or better, fertile, evenly moist soil. If soil is lacking fertility, a simple spring and summer broadcast of a balanced fertilizer will do the trick. No staking required. Plants thrive here in our sandy loam and from, time to time, just for the fun of it , we treat ourselves to a mass planting of 10 to 20 plants! Zone 3.
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x elatum ‘Dasante Blue’ Vibrant true-blue flowers with light purple accents and white bees. Grows to only 3’ tall with a more uniform, compact habit, so will not require staking.
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x elatum Magic Fountain Series ‘Sky Blue with a White Bee’ Compact, at only 3ft. tall, with the top 2ft. tightly packed with bright, sky-blue flowers with a white bee. Very sturdy, requiring no staking. All delphiniums appreciate rich, moist but well-drained soil in sun. Perfect for placing mid to back border. Make excellent cuts. Very hardy, zone 4 and even into zone 3.
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x elatum Pacific Hybrids 'Black Knight' Deep midnight purple with a dark bee. 6' tall, very large-flowered, semi-double delphiniums with densely packed flower spikes. Bloom time is June. Garden classics. Zone 3.
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x elatum Pacific Hybrids ‘Blue Bird’ Towering and luxurious, 5-6’ stems bear impressive, beefy spikes of rich blue flowers, each with a white bee. Delphiniums have earned the sobriquet “Queen of the Garden” for good reason. They can be demanding plants, requiring the best of soils, moist and fertile, and staking, but when well grown, their stately bearing is unrivaled. And they’re equally stunning in arrangements. Worth every bit of trouble! Zone 3.
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Dendranthemum zawadskii ‘Clara Curtis’ 18-24in. stems bear 2in. daisies of the purist pink from mid summer into September. Plants spread moderately fast to form thick clumps supporting a long succession of exceptionally pretty, soft pink daisies. Easy to grow in average or better soil with sufficient moisture. By no means required, but If one has the time, pinching will result in more flowers on lower plants. I have the best of intentions regarding pinching but, we know what the road to hell is paved with, and yet, the plant in our border overflows with bloom year after year. I do recommend digging out and discarding half the clump every two years or so. Not seen in gardens so much these days, and more's the pity. Zone 3.
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DIANTHUS (Pinks, Carnations) An old-fashioned favorite, most with deliciously fragrant flowers, good for cutting. All require excellent drainage and prefer a slightly alkaline soil, and full sun unless noted otherwise. Many benefit from division every two or three years to remain vigorous and most attractive. 
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barbatus ‘Indian Carpet’ (Sweet William) An old-fashioned favorite and a long-lasting cut flower. !0" stems carry flat-topped clusters of single flowers in a wide variety of colors from deep red through pure white. Prefers a bit of lime in the soil. Classified as a biennial, but often lasts for several years, and self-sows freely. Zone 3-8.
barbatus ‘Sooty’ (Sweet William) Dark chocolate flowers with a white spot in the center bloom on 30" stems, dark green to red foliage. An heirloom variety.
deltoides ‘Flashing Lights’ Wide, low, dense mats of dark green foliage are the launching pad for hundreds of tiny bright red flowers that twinkle above the thick, ground covering foliage from early spring through summer. Excellent in the rock garden, also effective as the first tier of bloom at the front of the mixed border. 6" high and 2' or more wide. An inexhaustible blooming machine that thrives in average, well drained soil, in full sun. Zone 3.
‘Fire Star’ Vivid fire red flowers with a deeper crimson eye and a spicy clove fragrance. Foliage is glaucous gray-green and evergreen. 8” tall. Zone 5.
gratianopolitanus ‘Wicked Witch’ New (Cheddar Pink) Sheets of Cherry red flowers cover low, spreading mats of fine, blue/green foliage, May-June. Excellent for the front of the border and for wedging between patio and walkway stones. Particularly at home in the rock garden as it weaves its way through rock crevices. A sport of D. 'Fire Witch'. 8-10" high, Zone 3.
‘Hearts Desire’ Low,(6-8"), cushions of grassy blue-green foliage topped with double, bubblegum pink flowers with dark pink centers and dark pink edging on newer petals, very pretty, fragrant. Long blooming and easy to grow in full sun with average, well drained soil. Zone 4
‘Little Boy Blue’ Silver-blue mats with very fragrant, single white flowers with petals attractively scalloped and accented with a narrow red band toward the center. 10" high with a spreading habit. Blooms early summer. Zone 3.
‘Roshish One’ Velvety, dark rose flowers with petal edges traced in white. Flowers have a very full, almost double appearance, 10-12ins. high, fragrant.
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Dicentra eximia (Fringed Bleeding Heart) & formasa (Western Fringed Bleeding Heart); selections of: Attractive green or blue-green, deeply cut, fern-like foliage 8-12ins. high with flower stalks rising an additional 6-8ins. above the foliage. Depending on the selection, flower color is a deeper or lighter shade of pink, or, white. Very long blooming, beginning in spring and continuing for many weeks. A carefree, adaptable plant, happy in sun and all but the deepest shade, and not at all finicky about soil. There is considerable confusion about the parentage of many of the fringed bleeding heart cultivars, some sources listing D. eximia, and others D. formosa. They are very similar looking. Differences are minimal, discernable only under close inspection. 
‘Bacchanal’ A Dutch hybrid that differs from D. 'Luxuriant' in having deeper, brick red flowers, May till frost. Zone 3.
‘king of Hearts’ A complicated hybrid with beautiful, lacy, fern-like, blue-green foliage and bright, cherry-pink flowers that last all summer, usually out-blooming D. ‘Luxurient. Could be grown for the beautiful foliage alone. 8-10ins. high. Zone 3.
‘Luxurient’ Rich, purple-rose flowers that are, let's say, three shades darker than the species, attractively dangled from arching stems that rise 15ins. above the delicate, textured foliage. These are long blooming plants for sun or part shade. If they seem unhappy where you've got them, just cut them back and move them to somewhere else until you find a spot that suits them, and, if they're large enough, you may be able to get a couple of divisions while you're at it! Zone 3.
spectabilis ‘Valentine’ New’ Not all "new" plants are the "improvement" they claim to be but, in this case, the claim is entirely justified. This beloved garden classic has been given a make-over that colors it noticeably redder overall and the red coloring lasts for the entire season. Foliage, stems and flowers are a darker shade than the species, as well, the plants are more compact but just as vigorous. 2-3' tall. Zone 3.
spectabilis 'Alba' White form of D. spectabilis. Zone 3.
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spectabilis ‘Goldheart’ This combination of pink flowers against golden yellow foliage does not produce the color collision one might expect, instead, quite the opposite. The flowers are just the right shade of pink to blend with the lovely, smooth golden foliage to create a very handsome collaboration, eye-catching without being garish. We have it in a fairly sunny spot yet the foliage persists well into summer, and, as long as the foliage persists it retains the excellent golden color. I like it more and more every year.
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Dictamnus albus ‘Albiflorus’ (White Flowered Gas Plant) Large white flowers with petals that curve back at their tips creating an elegant, widely-flared, trumpet-shaped flower. Flowers are carried high above the foliage on strong, 1-1½' stalks. Foliage is dense, dark green, very attractive. This is a bold, sturdy perennial that is attractive both in and out of bloom, establishing such a solid presence in the garden that one could easily mistake it for a shrub. Blooms heavily for 2-3 week in mid June.Once in the ground, plants should not be move as they resent disturbance and want to be left un-fooled-around-with for an indefinite period, much like a peony. Beautiful, long-lived and pest free.
Dictamnus albus ‘Pink Dragonfly’ Fragrant white flowers brushed with a hint of pink with dark pink venation, much larger than those of the species. Blooms on 3' stems in June and makes an elegant addition to the back of the border. As well as being beautiful, dictamnus are very long lived and trouble-free. They resent being fooled around with and often fail to recover completely after being moved, so try to plant them where they'll remain undisturbed. Also, keep in mind that oils in the leaves can cause a rash, and it's a good idea to wear gloves and long sleeves when weeding in the vicinity. Zone 3.
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Dictamnus albus ‘Purpureus’ (Gas Plant) A stately display of large pink flowers with petals that curve back at their tips creating an elegant, widely-flared, trumpet-shaped flower. Flowers are carried high above the foliage on strong, 1' stalks. Foliage is dense, dark green, very attractive. This is a bold, sturdy perennial that is attractive both in and out of bloom, establishing such a solid presence in the garden that one could easily mistake it for a shrub. Blooms heavily for 2-3 week in mid June. Once in the ground, plants should not be move as they resent disturbance and want to be left un-fooled-around-with for an indefinite period, much like a peony. Beautiful, long-lived and pest free.
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Digitalis (Foxglove) Popular garden favorites with tall colorful spikes of pendulous bells. Thrive in soils rich in organic matter. Some are biennial, but they self-sow freely. Best performance is in full sun with evenly moist soil, though plant seem to do reasonably well in afternoon shade 
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grandiflora (ambigua) Large, soft yellow flowers on 3-4ft. spikes over apple-green basal foliage. These are tough, versatile, plants showing strong perennial tendencies. Perfectly happy in full sun with reasonable moisture. Zone 3.
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parviflora ‘Milk Chocolate’ New Tall spikes covered in small, chocalate-colored flowers, over 100 flowers per stalk! Neat green foliage forms neat basal rosettes that launch the soaring, 3-5' high flower spikes, June-July. A different and exciting color. Plants are beautiful by themselves and effective at toning down brighter colors and for melding with weaker shades in unexpected combinations. Zone 4.
purpurea ‘Alba’ 3-4ft. stalks bear elegant, white gloves in early summer. Rich green foliage. A striking, classic look at the back of the part-shade border. Biennial. Zone 3.
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purpurea ‘Candy Mountain’ The first foxglove with upfacing flowers. Large, rose-pink, upward facing gloves are tightly packed all around the 3-4ft. sturdy stems. Flowers open wide allowing a good view of their attractive interiors. Blooms in late spring, early summer with a distinctive look, unlike any other foxglove. Grow in sun to light shade with even moisture. Zone 4.
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x mertonensis A hybrid of D. purpurea and D. grandiflora with 2-3ft. stalks lined with strawberry pink colored gloves from late spring into summer. The robust nature of these plants is immediately apparent from the sturdy flower stems, the thick textured, dark green leaves and correspondingly large, beefy flowers. A number of years ago I saw an amazing, one hundred foot long, mass planting of this hybrid at the Montreal Botanic Garden.
x ‘Spice Island’ 2-3' tall flower stalks are lined with 1" long flowers of an intriging new color that's a blend of apricot, peach and yellow resulting in a flower of rich orange-amber tones. The sturdy, upright flower stalks branch nicely from the plant base and, unlike other foxgloves, the glossy, dark green foliage is evergreen. Blooms repeatedly, June-Sept. Zone 3.
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