Zone 4

Prunus cerasifera 'Mt St Helens' (HARDY FLOWERING PLUM)

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Hardiness zones 4-8 A sport of 'Newport', this flowering plum boasts a dense, rounded habit with early purple foliage which holds its deep purple color all summer long. Fall foliage is a stunning...

Ribes nigrum 'Ben Nevis' (BLACK CURRANT)

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Hardiness zones 3-8 Heavy clusters of tart, juicy, black berries adorn this vigorous, upright and self-fertile shrub in mid-late summer. They are a favorite fruit for preserves, wines, baking,...

Syringa vulgaris 'Nadezhda' (LILAC)

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Hardiness zones 3-7 This fantastic Lilac was bred in Russia for its superior habit, sturdy to 6-8', length of bloom and for the flowers which are large, prolific, sumptuous, fully double, lilac-blue...

Ptelea trifoliata (HOP TREE)

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This widespread North American native is the northern most representative of the citrus family, and the only family of plants on which the giant swallowtail butterfly will lay its eggs! The small...

Sophora japonica (JAPANESE PAGODA TREE)

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Hardiness zones 4-8 Greatly desired as an ornamental for its large clusters of yellow pea-like flowers in late summer, this is also a good wide-spreading shade tree; common name refers to its use...

Ribes nigrum 'Titania' (BLACK GARDEN CURRANT)

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Hardiness zones 4-8 Rich, pungently-flavored berries are offered by this productive, rust-resistant black currant; best pollinated by Consort or Crusader. S/M 

Tilia cordata 'Greenspire' (LITTLE-LEAF LINDEN)

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Hardiness zones 3-8 An amazing tree for urban or other tough spots, tolerant of wind, smog, salt and wet or dry feet; this Linden makes a magnificent street tree with its strong central leader and...

Veronica 'Whitewater' (WHITE FLOWERING VERONICA)

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This dense 5" tall x 20" wide carpet of summer-green/fall-burgundy foliage is topped by a foam of sparkling white-water flowers in early-summer; great for wall, rock garden, edger or container. S/M...

Rosa eglanteria (SWEET BRIAR ROSE)

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Hardiness zones 4-9 A lovely species famed for the fragrance of both its pink flowers and its deliciously aromatic leaves which are reminiscent of the scent of apples! The flowers are followed by...

Syringa vulgaris 'Albert F. Holden' (LILAC)

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Hardiness zones 3-8 Unique and beautiful, the flowers of this compact 7 foot shrub have petals that are deep violet-blue on the top and silvery underneath, making it appear bi-colored; named for the...

Salvia 'Bumbleberry' (GARDEN SAGE)

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Hardiness zones 3-8 Salvia 'Bumbleberry' is a petite yet prolific, late spring bloomer, loved by pollinators and gardeners alike. Its many flower spikes wear intensely colored fuchsia-pink blooms and...

Quercus 'Regal Prince' (HYBRID OAK)

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Combining a bold, upright habit with handsome glossy foliage, this fine hybrid between Q. robur Fastigiata and Q. bicolor offers a choice possibility for confined space or edging a drive. S/M PP12673...

Spiraea japonica 'Double Play Red' (RED SPIREA)

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Hardiness zones 3-8 Unique late spring flowers with long anthers covered in purple pollen are the closest to red of any Spirea. And the color doesn't stop there! The foliage emerges brilliant red in...

Rosa canina (DOG ROSE)

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Hardiness zones 3-8 An interesting and historic rose from the hedgebanks and downs of Europe; known as the dog rose as it was once thought that its root could cure dog bites, this easy-going...

Pulmonaria 'Trevi Fountain' (LUNGWORT)

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The foliage of this fabulous perennial creates a fountain of long streaked and silver-spotted leaves. The one foot tall basal clump is topped by profuse clusters of large drooping clusters of...

DWARF GOLDEN SCOT'S PINE Pinus sylvestris (Nisbets Gold)

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This dwarf pine's needles are light to yellowish-green for most of the year, but in the winter, especially in colder regions, they take on brilliant golden-yellow hues that are hard to miss. It is a...

Salix integra 'Hakuro nishiki' (DAPPLED WILLOW)

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Hardiness zones 4-9 The rare and graceful has a superbly elegant habit and eye-catching foliage that is brilliantly variegated with large patches of white and pink most of the season. This attractive...

Rhus typhina (STAGHORN SUMAC)

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Hardiness zones 3-8 A wide-spreading, open, irregularly branched, large 15-25' shrub whose stems are covered with a dense reddish-brown down much like the velvet on a stag's horns; large, compound...

Prunus besseyi (WESTERN SAND CHERRY)

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Well worth cultivation for both ornamental value and fruit; this 3-5' central North American native is just covered with clusters of small, fragrant, bright-white flowers in late spring and by July,...

Prunus virginiana 'Shubert' (RED-LEAVED CHOKECHERRY)

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Hardiness zones 2-7, 8 This colorful large shrub/small tree (15-30') has leaves which open lush-green and turn a color-fast, deep purple-red. Easily grown for screening or accent, it also provides a...

Pulmonaria 'Raspberry Splash' (LUNGWORT)

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"Berry" profuse, "Berry" lovely dusky raspberry-rose flowers early in spring herald the arrival of the distinctively variegated, upright foliage of this wonderful new form. PSh-Sh/M PP12138 ...

Mahonia repens (DWARF OREGON GRAPE)

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Hardiness zones 4-8 This low growing one foot tall and very-slowly creeping shrub spreads by underground stems. Holly-like evergreen foliage is blue-green and turns a showy bronzy-purple in winter...

Morus illinois 'Illinois Everbearing' (EVERBEARING MULBERRY)

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Hardiness zones 4-9 This handsome 20-35' tree produces large and delightfully flavorful deep-purple fruits in early summer and a smaller crop again in late summer. Considered a precocious fruiter, it...

Polystichum munitum (WESTERN SWORD FERN)

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Hardiness zones 4-8 Receiving high marks as a garden plant, the western sword fern produces large clumps of primordial, leathery, deep-green fronds growing 2-5' tall with symmetrical, simple, toothed...