Plant Library

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Iberis sempervirens 'Alexander's White'
Common Name: Candytuft
Evergreen foliage on low, compact woody plant with flat clusters of white flowers in early spring. Excellent for miniature or rock gardens, edging, perennial borders or as a groundcover. Tolerant of drought and poor soils. Adaptable to the seashore. ...

Ilex crenata 'Beehive'
Common Name: Holly, Japanese
Dense, compact and slow growing miniature, maturing to a low globe shape. Tiny, lustrous, dark green convex leaves. Purplish twiggy stems. Well suited to the smaller garden. This cultivar, resulting from a cross between 'Convexa' and 'Stokes', was se...

Ilex crenata 'Bennett's Compacta'
Common Name: Holly, Japanese
Dense, compact, slow-growing. Wide, leathery, shiny, dark green foliage. Like many other broad-leaved evergreen shrubs, it prefers acid soils and will develop iron deficiency if the pH is too high. This species has been commonly used for landscaping ...

Ilex crenata 'Compacta'
Common Name: Holly, Japanese
Slow growing, low and compact male. Similar to 'Helleri' but somewhat faster growing. Small, shiny, bright green flat leaves. The result of a 1961 cross by Elwin Orton between 'Convexa' and 'Stokes'. No fruit. This species has been commonly used for ...

Ilex crenata 'Dwarf Pagoda'
Common Name: Holly, Japanese
Dr. Elwin Orton from Rutgers University, NJ, developed this extremely dwarf plant. It has tiny dark green leaves and an irregular branching habit. A very nice companion plant for a dwarf conifer garden or rock garden. Also a great selection for bonsa...

Ilex crenata 'Excelsa Schwoebel'
Common Name: Holly, Japanese
Pyramidal, hardy. Glossy, medium green, flat leaves. This species has been commonly used for landscaping in this region for many decades, most successfully in USDA zone 6 and warmer. Although not reliably hardy in northern New England, when properly ...

Ilex crenata 'Glory'
Common Name: Holly, Japanese
Dense, compact globe. Small, deep green leaves. Excellent texture. Grows to 6'-8' tall, equal or greater spread. Like many other broad-leaved evergreen shrubs, it prefers acid soils and will develop iron deficiency if the pH is too high. This species...

Ilex crenata 'Golden Helleri'
Common Name: Holly, Japanese
Low-spreading broadleaf evergreen grows to 1' x 3'. A selection of `Helleri'. Has the small leaves and compact growth habit that has made Ilex crenata `Helleri' a popular landscape plant. Super yellow color when grown in full sun. This species has be...

Ilex crenata 'Green Lustre'
Common Name: Holly, Japanese
Wide spreading and compact growing, forming a flat topped mound at maturity. Lustrous dark green foliage. Attractive as a low hedge. This species has been commonly used for landscaping in this region for many decades, most successfully in USDA zone 6...

Ilex crenata 'Helleri'
Common Name: Holly, Japanese
Dwarf growing, miniature and compact, forming a low mound wider than high. Small to medium size bright green leaves. There are several strains of this cultivar which vary in form and growth rate. This species has been commonly used for landscaping in...

Ilex crenata 'Hetzii'
Common Name: Holly, Japanese
Fast spreading mound shape. Large convex dark green leaves. Black fruit. Grows faster than 'Convexa'. Good for use as a hedging plant. This species has been commonly used for landscaping in this region for many decades, most successfully in USDA zone...

Ilex crenata 'Hoogendorn'
Common Name: Holly, Japanese
Low, dense, compact, wider than tall. Dark green, flat leaves. This species has been commonly used for landscaping in this region for many decades, most successfully in USDA zone 6 and warmer. Although not reliably hardy in northern New England, when...

Ilex crenata 'Jersey Pinnacle'
Common Name: Holly, Japanese
Fast growing, very narrow and upright male. Dark green leaves. Inconsequential flowers. No fruit. A good choice for hedging and background plantings in narrow areas. Like many other broad-leaved evergreen shrubs, it prefers acid soils and will develo...

Ilex crenata 'Schwoebel Compacta'
Common Name: Holly, Japanese
Wide growing and compact with spreading branches. Small, light green, slightly convex green leaves. Like many other broad-leaved evergreen shrubs, it prefers acid soils and will develop iron deficiency if the pH is too high. Japanese holly can be gr...

Ilex crenata 'Sky Pencil'
Common Name: Holly, Japanese
Slender and densely branched, 10 times higher than wide. Glossy, dark green, slightly convex leaves. Black fruit. Good for formal plantings. A 1985 USDA introduction discovered on Mount Dai-sen, Honshu, Japan, by N. Shibamichi. This species has been ...

Ilex crenata 'Soft Touch'
Common Name: Holly, Japanese
Dense and compact, wider than tall. Dark green, soft foliage with flexible branches. This species has been commonly used for landscaping in this region for many decades, most successfully in USDA zone 6 and warmer. Although not reliably hardy in nort...

Ilex crenata 'Steeds'
Common Name: Holly, Japanese
Upright pyramidal. Lustrous dark green leaves. May be used for hedging. This species has been commonly used for landscaping in this region for many decades, most successfully in USDA zone 6 and warmer. Although not reliably hardy in northern New Engl...

Ilex glabra 'Compacta'
Common Name: Inkberry
Slower growing, wide, dense upright form of the native Inkberry. Black berries. Native to the eastern USA, I. glabra has proven to be one of the most reliable of the hollies. Inkberry prefers moist, acid soils and full sun, but it will tolerate parti...

Ilex glabra 'Densa'
Common Name: Inkberry
A compact and vigorous growing form that is well suited to the smaller planting site. Rounded shiny dark green foliage all year. Black berries. Native to the eastern USA, I. glabra has proven to be one of the most reliable of the hollies. Inkberry pr...

Ilex glabra Nordic®
Common Name: Inkberry
Synonym: 'Chamzin'
Grows in a compact, rounded form, ideal for hedging and group plantings. Rounded, elongated, glossy deep green foliage. Black berries. Native to the eastern USA, I. glabra has proven to be one of the most reliable of the hollies. Inkberry prefers moi...

Ilex glabra 'Red Tip'
Common Name: Inkberry
4-6'. Evergreen. Native to the eastern USA, inkberry is a widely adaptable and reliable shrub. Compact habit. New shoots are bronzy red, maturing lustrous dark green. Black berries appear in the fall on this female. Inkberry prefers moist, acid soils...

Ilex glabra 'Shamrock'
Common Name: Inkberry
Compact growing with large, especially attractive lustrous dark green leaves. Black fruit. Native to the eastern USA, I. glabra has proven to be one of the most reliable of the hollies. Inkberry prefers moist, acid soils and full sun, but it will tol...

Ilex opaca
Common Name: Holly, American -- male
A male American Holly is necessary for proper pollination and berry production of female I. opaca cultivars. A male plant should be planted within approximately 100 feet of a female. Male plants produce a profusion of fragrant ivory colored flowers i...

Ilex opaca
Common Name: Holly, American -- female
Native as far north as the southern parts of New England and thrives on Cape Cod, where plants can develop into impressive trees with picturesque branching and exfoliating, multicolored bark. This is an understory plant which enjoys moist, well drain...

Ilex opaca 'Miss Helen'
Common Name: Holly, American
Female. Dense conical form. Heavy set of dark red berries. Native as far north as the southern parts of New England and thrives on Cape Cod, where plants can develop into impressive trees with picturesque branching and exfoliating, multicolored bark....

Ilex opaca 'Satyr Hill'
Common Name: Holly, American
Female. Dark olive green leaf flatter and more rounded than the species. Large red fruit. Native as far north as the southern parts of New England and thrives on Cape Cod, where plants can develop into impressive trees with picturesque branching and ...

Ilex pedunculosa
Common Name: Ilex, Longstalk -- male
Male Pollinator for the female Longstalk Holly. Similar in growth to the female but no berries. Vigorous and irregular growing when young, becoming broad and uniform as it matures. Smooth, dark green leaves that look remarkably like Mountain Laurel (...

Ilex pedunculosa
Common Name: Holly, Longstalk -- female
Female. Vigorous and irregular growing when young, becoming broad and uniform as it matures. Smooth, dark green leaves that look remarkably like Mountain Laurel (Kalmia latifolia). Produces an annual display of shiny bright red berries on long stems ...

Ilex verticillata 'Afterglow'
Common Name: Winterberry
Female. Deciduous. Compact globe shape, slow growing, glossy green leaves are smaller than average. Large orange-red berries maturing to orange. I. verticillata are among the most striking of any of our native plants for the profusion and brilliance ...

Ilex verticillata Berry Nice®
Common Name: Winterberry
Synonym: 'Spriber'
Female. Deciduous. Mildew resistant. Grows as wide as high. Dense, heavy production of vivid, dark red fruit, with good retention of the fruit through winter or until taken by birds. I. verticillata are among the most striking of any of our native pl...

Ilex verticillata 'Cacapon'
Common Name: Winterberry
Female. Deciduous. Compact, upright growing. Glossy, dark green, crinkled leaves. Heavy fruiting; medium size true-red to red-orange berries. Good fruit retention. I. verticillata are among the most striking of any of our native plants for the profus...

Ilex verticillata 'Jim Dandy'
Common Name: Winterberry -- male
Male pollinator well suited for all the female cultivars we offer. Deciduous. No berries. Compact, densely branched. Slower growing and earlier flowering than the native male. Although many female cultivars seem to be well pollinated by native males ...

Ilex verticillata 'Red Sprite'
Common Name: Winterberry
Female. Deciduous. Slow growing and compact, rounded. Lustrous dark green leaves. Heavy clusters of large, bright red berries, larger than typical I. verticillata. I. verticillata are among the most striking of any of our native plants for the profus...

Ilex verticillata 'Scarlet O'Hara'
Common Name: Winterberry
Female. Deciduous. Bright red berries in autumn. I. verticillata are among the most striking of any of our native plants for the profusion and brilliance of their fruit from fall through winter. Berries are spectacular against a snowy setting. Requir...

Ilex verticillata 'Shaver'
Common Name: Winterberry
Female. Deciduous. Upright growing and compact with glossy foliage. Masses of large, 1/2...

Ilex verticillata 'Southern Gentleman'
Common Name: Winterberry -- male
Male pollinator for faster growing female varieties. No berries. Deciduous. Although many of these cultivars seem to be well pollinated by native males in the woodlands, we recommend that a male plant be located within a hundred feet to assure best f...

Ilex verticillata 'Sparkleberry'
Common Name: Winterberry
Female. Deciduous. Vigorous, upright growing. U.S. National Arboretum hybrid of I. serrata and I. verticillata. Heavy fruiting, long lasting red small berries. Spreads less aggressively than most winterberry. I. verticillata are among the most striki...

Ilex verticillata 'Winter Red'
Common Name: Winterberry
Female. Deciduous. Very heavy fruiting with large, intensely red berries that last well into winter. Dark green foliage. I. verticillata are among the most striking of any of our native plants for the profusion and brilliance of their fruit from fall...

Ilex x aquipernyi Dragon Lady®
Common Name: Holly
Female. Narrow 4–6 feet wide, upright, sharp glossy dark green foliage, red berries. Tolerates shearing well and can be maintained as a dense shrub or allowed to develop naturally into a tree with wide branches and exposed trunk. Large red berries co...

Ilex x aquipernyi 'San Jose'
Common Name: Holly
Female. Compact and upright growing when young, becoming wider branched as it matures. Medium size, curved, sharp-spined, glossy dark green foliage remains attractive all year. Tolerates shearing well, and can be maintained as a dense shrub or allowe...

Ilex x meserveae 'Blue Girl'
Common Name: Holly, Blue
Female. Vigorous, wide, upright. Glossy dark green foliage on purplish stems. Red berries. This is the original Blue Holly selection. The "Blue Hollies" are hybrids between the rock-hardy Prostrate Holly (I. rugosa) and the more decorative English H...

Ilex x meserveae Blue Maid®
Common Name: Holly, Blue
Synonym: 'Mesid'
Female. Wide, upright, vigorous. Dark glossy leaves. Large red berries. The "Blue Hollies" are hybrids between the rock-hardy Prostrate Holly (I. rugosa) and the more decorative English Holly (I. aquifolium). The cultivars 'China Boy' and 'China G...

Ilex x meserveae Blue Prince®
Common Name: Holly, Blue
Male. Good pollinator for all female I. x meserveae hybrids. Blooms continuously all summer. Shiny dark foliage. No berries. Winner of the 1999 Cary Award. Starting in 1997 the Cary Award annually recognizes underutilized woody plants especially appr...

Ilex x meserveae Blue Princess®
Common Name: Holly, Blue
Female. Vigorous wide globe. Glossy dense foliage on dark stems. Heavy set of red berries. Slower growing than I. x meserveae Blue Maid®. Winner of the 1999 Cary Award. Starting in 1997 the Cary Award annually recognizes underutilized woody plants es...

Ilex x meserveae Blue Stallion®
Common Name: Holly, Blue
Synonym: 'Mesan'
Male. Pyramidal, upright, vigorously growing pollinator for all female I. x meserveae hybrids. Blooms continuously all summer. Shiny dark foliage. Tolerates shearing. No berries. The "Blue Hollies" are hybrids between the rock-hardy Prostrate Holl...

Ilex x meserveae Castle Spire™
Common Name: Holly, Blue
Synonym: 'Hachfee'
8-10' h x 4-5’ w. Beautiful, compact, pyramidal, dense, female blue holly with large dark green leaves. White flowers (on old wood) in spring are followed by bright red berries in fall that last until taken by birds. Bred in Germany, the Castle Ilex...

Ilex x meserveae Castle Wall™
Common Name: Holly, Blue
Syn: 'Heckenstar'
8-10' h x 3-4' w. Broad-columnar shaped male holly with dark green leaves and compact branching. Flowers in spring on old wood; prune to shape after flowering. No fruit. Bred in Germany, the Castle Ilex are new varieties of compact, pyramidal blue ho...

Ilex x meserveae China Boy®
Common Name: Holly, Blue
Synonym: 'Mesdob'
Male pollinator for I. x meserveae China Girl® as well as other Blue Hollies. Compact growing with glossy green foliage. A good "filler" plant for massing, screening or hedging. No berries. The "Blue Hollies" are hybrids between the rock-hardy Pro...

Ilex x meserveae China Girl®
Common Name: Holly, Blue
Synonym: 'Mesog'
Female. One of the heaviest berry sets of any holly. Compact growing with glossy green foliage. We recommend planting in an area protected from drying winter winds. Can be trimmed to suit many landscape situations. Red fruit. Pollinated by I. x meser...

Ilex x meserveae 'Honey Maid'
Common Name: Holly, Blue
Female. Foliage variegated blue-green with creamy margins. Red berries. The "Blue Hollies" are hybrids between the rock-hardy Prostrate Holly (I. rugosa) and the more decorative English Holly (I. aquifolium). The cultivars 'China Boy' and 'China ...

Iris cristata
Common Name: Iris, Dwarf Crested
Unusual groundcover. Dainty amethyst-blue flowers, May. Creeping habit. Divide 6 weeks after flowering. Deer resistant. Suitable for miniature landscapes. Spacing: 10–12"....

Iris ensata (kaempferi) 'Mt. Fuji'
Common Name: Iris, Japanese
Large white flowers with a yellow blaze, June--July. Prefers moist to wet and acidic soils. Deer resistant. Divide in spring. Full sun. Spacing: 18—24"....

Iris ensata (kaempferi) 'Pink Lady'
Common Name: Iris, Japanese
6" flowers with gentle rippling petals in soft pink with tiny splashes of yellow, June. Wide falls and short standards. Bright green leaves. Acidic and moist to wet soils a must. Deer resistant. Divide in spring. Spacing: 18-24"....

Iris ensata (kaempferi) 'Royal Robes'
Common Name: Iris, Japanese
Deep plum-purple flowers with blue, white, and yellow flares, June. Wide falls and short standards. Bright green leaves. Acidic and moist to wet soils a must. Deer resistant. Divide in spring. Spacing: 18-24"....

Iris ensata (kaempferi) 'Shogun'
Common Name: Iris, Japanese
Royal red flowers have cascading, ruffled petals with white and yellow throats, June. Bright green leaves. Acidic and moist to wet soils a must. Deer resistant. Divide in spring. Spacing: 18-24"....

Iris germanica 'Batik'
Common Name: Iris, Bearded or German
Deep purple with splashes of white streaking. Elegant fragrant flowers on straight, sturdy stems with sword-like foliage. Easy to grow in sunny, well drained soil. Will tolerate poor soils and some drought. Keep mulch away from rhizomes and leaves. F...

Iris germanica 'Beverly Sills'
Common Name: Iris, Bearded or German
Coral-pink, slightly fragrant flowers mid to late May. Sword-like foliage. Easy to grow in well-drained soils. Will tolerate poor soils and some drought. Keep mulch away from rhizomes and leaves. Fall clean-up is an effective control for insects. Ada...

Iris germanica 'Gold Galore'
Common Name: Iris, Bearded or German
Golden yellow throughout. Elegant fragrant flowers on straight, sturdy stems with sword-like foliage. Easy to grow in sunny, well drained soil. Will tolerate poor soils and some drought. Keep mulch away from rhizomes and leaves. Fall clean-up is an ...

Iris germanica 'Immortality'
Common Name: Iris, Bearded or German
Pure white with pale yellow beard. Mid season. Re-blooms in fall. Elegant fragrant flowers on straight, sturdy stems with sword-like foliage. Easy to grow in sunny, well drained soil. Will tolerate poor soils and some drought. Keep mulch away from r...

Iris germanica 'Spartan'
Common Name: Iris, Bearded or German
Dark wine-red with yellow beard. Elegant fragrant flowers on straight, sturdy stems with sword-like foliage. Easy to grow in sunny, well drained soil. Will tolerate poor soils and some drought. Keep mulch away from rhizomes and leaves. Fall clean-up...

Iris pallida 'Albo Variegata'
Common Name: Iris, Sweet
Showy foliage, blue-green with creamy white stripe. Scented, bearded lavender-blue blooms, summer. Spacing: 24"....

Iris pallida 'Aurea Variegata'
Common Name: Iris, Gold Variegated Sweet
Showy foliage, blue-green with golden stripe. Scented, bearded lavender-blue blooms, summer. Spacing: 24"....

Iris sibirica 'Blue Butterfly'
Common Name: Iris, Siberian
Purple falls with showy white markings. White standards. Blooms May–June. Beardless flowers with narrow grassy upright foliage. Prefers slightly acidic soils, moist or boggy conditions. Deer resistant. Divide 6 weeks after flowering. Spacing: 18–24"....

Iris sibirica 'Blue King'
Common Name: Iris, Siberian
24--36" h. Mid to sky-blue, mid season. Narrow grassy upright foliage. Prefers slightly acidic soils, moist or boggy conditions. Deer resistant. Divide 6 weeks after bloom, July – August. Full sun to part shade. Spacing: 18--24"....

Iris sibirica 'Butter and Sugar'
Common Name: Iris, Siberian
White standards with yellow falls. Mid season. Beardless flowers with narrow grassy upright foliage. Prefers slightly acidic soils, moist or boggy conditions. Deer resistant. Divide 6 weeks after flowering. Spacing: 18–24"....

Iris sibirica 'Caesar's Brother'
Common Name: Iris, Siberian
Rich deep violet flowers, early to mid season. Beardless flowers with narrow grassy upright foliage. Prefers slightly acidic soils, moist or boggy conditions. Deer resistant. Divide 6 weeks after flowering. Spacing: 18–24"....

Iris sibirica 'Dreaming Spires'
Common Name: Iris, Siberian
Lavender flushed with royal blue, early to mid season. Beardless flowers with narrow grassy upright foliage. Prefers slightly acidic soils, moist or boggy conditions. Deer resistant. Divide 6 weeks after flowering. Spacing: 18–24"....

Iris sibirica 'Harpswell Happiness'
Common Name: Iris, Siberian
Large ruffled creamy white with green-yellow basal flush. Late. Beardless flowers with narrow grassy upright foliage. Prefers slightly acidic soils, moist or boggy conditions. Deer resistant. Divide 6 weeks after flowering. Spacing: 18–24"....

Iris sibirica 'Pink Haze'
Common Name: Iris, Siberian
Light pink. Light fragrance. Early. Beardless flowers with narrow grassy upright foliage. Prefers slightly acidic soils, moist or boggy conditions. Deer resistant. Divide 6 weeks after flowering. Spacing: 18–24"....

Iris sibirica 'Ruffled Velvet'
Common Name: Iris, Siberian
Tetraploid. Velvety violet standards with darker ruffled falls, mid season. Lovely beardless flowers with narrow grassy upright foliage. Prefers slightly acidic soil, moist or boggy conditions. Deer resistant. Divide 6 weeks after flowering. Spacing...

Iris sibirica 'Silver Edge'
Common Name: Iris, Siberian
Violet with narrow silvery edges, mid season. Lovely beardless flowers with narrow grassy upright foliage. Prefers slightly acidic soil, moist or boggy conditions. Deer resistant. Divide 6 weeks after flowering. Spacing: 18–24"....

Iris sibirica 'White Swirl'
Common Name: Iris, Siberian
White with a touch of yellow, mid season. Lovely beardless flowers with narrow grassy upright foliage. Prefers slightly acidic soil, moist or boggy conditions. Deer resistant. Divide 6 weeks after flowering. Spacing: 18–24"....

Iris versicolor
Common Name: Iris, Harlequin Blue Flag
24--48" h. Deep blue to purple, 3--4" flowers with bold purple veins and yellow blotch on falls, May--July. Prefers acidic, moist soils but will grow in most garden soils. Deer resistant. Full sun to part shade. Spacing: 18--24"....

Itea japonica 'Beppu'
Common Name: Sweetspire, Dwarf
Fast growing and spreading. Rich green summer foliage turns reddish purple in fall and lasts into winter. Fragrant white flowers in June. U.S. National Arboretum introduction. This genus is relatively unknown in the northeast and deserves a wider us...

Itea virginica 'Henry's Garnet'
Common Name: Sweetspire, Virginia
A compact growing selection of the species that shows superior foliage both summer and fall. Long racemes. Wide growing and densely branched with upright arching stems. Fragrant white flower spikes in early summer. Long lasting red autumn foliage, si...

Itea virginica Little Henry®
Common Name: Sweetspire, Virginia
Syn: 'Sprich'
Compact growing, maturing as a low mound. Upward and outward arching spikes of fragrant white flowers in June and July. Clean green foliage turns spectacular scarlet-red for weeks in late September....