Zone 4

Echinacea purpurea (PURPLE CONEFLOWER)

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Family:  Aster (Asteraceae) Hardy to Zones 4 to 12 Herbaceous perennial prairie dweller.  Originally native to a wide band stretching from Michigan south to Louisiana, then west to Texas and...

Zizia aurea (GOLDEN ALEXANDER)

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Hardiness zones 3-9 From meadows and swamps of the NE, this 1-2' tall parsnip-like wildflower has much divided (into 3 and again 3) leaves and umbels of tiny yellow early summer flowers...

Thuja occidentalis 'Tiny Tim' (DWARF ARBORVITAE)

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Hardiness zones 3-8 Dense, slow-growing and very dwarf (to 12" high x 16" wide in 10 years), this diminuitive conifer is a wonderful bonsai or container subject. S/M 

Syringa vulgaris 'Primrose' (YELLOW LILAC)

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Hardiness zones 3-8 The lovely and totally unique pastel, creamy-yellow flowers of this compact 8-12' lilac make this attractive bloomer a nice surprise. The soft-yellow color is more intense in...

Syringa vulgaris 'Prairie Petite' (LILAC)

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Hardiness zones 4-8 Truly dwarf! This little cutie only reaches 3-4' tall. Spring finds this shrub covered with its 3-4" light pink flowers which fade to lavender. From the University of Nebraska,...

Syringa vulgaris 'Bridal Memories' (LILAC)

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Hardiness zones 3-7 Fragrant, creamy-white single flowers are stunning set against the emerald green leaves of this lush 10' shrub. This is a wonderful variety for bridal bouquets, cut flower...

Scabiosa 'Vivid Violet' (PINCUSHION FLOWER)

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Hardiness zones 4-9 Vivid-Violet pincushion flowers top the 18" compact, MILDEW-RESISTANT mounds of this much-improved summer favorite ALL summer and into fall; a favorite enjoyed in vase, container...

Spiraea japonica 'Double Play Candy Corn' (ORANGE-LEAVED SPIREA)

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Hardiness zones 4-8 You cannot miss the dayglow show of color on this 24" x 30" shrub, bright-red spring growth turns to orange-yellow with red and then bright-purple blooms appear in late spring!...

Rhus aromatica (FRAGRANT SUMAC)

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Hardiness zones 3-9 This Sumac native to the southeastern U.S. and Canada has clouds of early small yellow flowers which appear on the stems tips in spring. Colorful, early scarlet fruits and...

Salix 'Snake' (CONTORTED WHITE WILLOW)

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Hardiness zones 3-9 Even more contorted than S. matsudana, the Snake willow earned its name fairly!; a small (to 12'), pyramidal tree with sinuously contorted branches and finely haired leaves which...

Schizachyrium scoparium 'Twilight Zone' (LITTLE BLUESTEM)

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Hardiness zones 3-9 In midsummer, this columnar Little Bluestem is decorated in silvery iridescent mauve, and in the fall the foliage is highlighted in bright purple. This is a wonderful and...

Syringa 'Scentara Pura' (SEMI-DWARF LILAC)

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Hardiness zones 2-8 This versatile and dependable lilac is named for its profoundly, classic lilac scent and pure purple flowers. It is extremely hardy, and performs especially well in warm climates...

Salix alba 'Chermesina' (RED-BARKED WILLOW)

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Hardiness zones 3-8 A remarkably showy form of this 50' columnar and elegant tree, in winter its slender tip-drooping branches are a brilliant orange-scarlet (best color comes from coppicing, pruning...

Rosa pimpinellifolia 'spinosissima' (SCOTCH ROSE)

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Hardiness zones 3-8 The only [rose] known to be native in Iceland. It makes a dense spreading mound 2-3' high and blooms profusely but with much variability; maroon-black hips. S/M 

Syringa reticulata 'Ivory Silk' (TREE LILAC)

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Hardiness zones 4-8 A most attractive small flowering tree, more compact (to 25ft) than the species, with cherry-like bark, and large clusters of ivory-white flowers in summer (long after other...

Rosa acicularis (ARCTIC ROSE)

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Hardiness zones 1-7 From the high mountains, thickets and rocky slopes of Japan into Siberia and the cold north plains of Canada and the US, this 4-8' shrub is obviously tough! The blooms are so...

Salix gracilistyla 'Mt. Asama' (RED-FLOWERED PUSSY WILLOW)

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Hardiness zones 4-8 This spectacular cultivar was selected by florists in Japan for its incredible dark-pink pussy willow flowers. The large blossoms age to a beautiful soft silver. Reaching 6-8' it...

Syringa vulgaris 'Katherine Havemeyer' (LILAC)

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Hardiness zones 3-7 Beginning in late spring, lavender-purple double-flowered and dense panicles bloom for 3-4 weeks, sharing their delightful fragrance as well. As the blooms mature, their color...

Rosa rugosa (TOMATO ROSE)

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Hardiness zones 3-9 A wonderful and very easy-going rose; large and exceptionally fragrant flowers that are generally pink, but sometimes white or red are followed by large edible hips giving it the...

Weigela florida 'Very Fine Wine' (CARDINAL SHRUB)

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Hardiness zones 4-8 This is a strikingly floriferous Weigela with excellent cold hardiness, deep purple to black foliage, and tons of bright pink blooms. S/M 

Syringa pubescens micro. 'Miss Kim' (MISS KIM LILAC)

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Hardiness zones 4-8 Sized between regular lilac and dwarf, with a bloom time between them also, this elegant medium shrub produces its panicles of lavender flowers in early summer. S/M 

Syringa vulgaris 'Sensation' (PICOTEE LILAC)

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Hardiness zones 3-7 A remarkable lilac which is very different and very beautiful, each gorgeous flower of rich deep-violet is perfectly edged with white, an incredible sight when arranged in dense...

Syringa 'Josee' (DWARF LILAC)

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Hardiness zones 3-8 The result of hybridizing between 3 dwarf lilacs (S. meyeri, S. patula, and S. microphylla) has produced this mid-size 4-6' beauty. With leaves half the size of S. patula and long...

Viburnum dentatum 'Blue Muffin' (ARROWWOOD VIBURNUM)

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Prolific brilliant-white flowers welcome spring. Masses of showy rich blue berries make this rounded give this cultivar its 'Blue Muffin' name (another dentatum variety is required for pollination)...