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425-013D4 Ilex crenata 'Sky Pencil' 
Sun, Part Shade Zone 6-8
Our landscape garden designer John Caine likes to use this evergreen shrub to add vertical accents to his designs. This narrow, columnar shrub can become a true exclamation point in a mixed border. 4-5 ft.
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185-001 Imperata cylindrica 'Red Baron' ( Japanese blood grass ) 
Sun, Part Shade Zones 6- 9
Place this deep red-leafed grass where it can catch the light of the westering sun. Give it a warm, moist, well-drained site for best results. 1-2 ft.
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186-002D3 Incarvillea mairei var. grandiflora 
Sun Zones 4-8 Crimson Pink flowers
Extremely large gloxinia shaped flowers dangle on 6 inch stems over deeply lobed dark green glossy foliage up to 18 inches long. Needs good drainage. From the Himalayas. May to June. bloom 20 in. x 12 in.
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186-003D4 Incarvillea olgae 
Sun Zones 6-9 Rose Pink flowers
A tall, woody perennial with open branches bearing tubular flowers with flattened faces. Very graceful swaying in the breeze. Summer. bloom 4 ft. x 12 in.
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040-001 Inula ensifolia 
Sun Zones 4-9 Yellow flowers
C. Europe. This is a perfect complement for a small shrub. It forms low mounds of dark green foliage. Each erect stem bears a 2-inch yellow rayed flower. July to August. bloom 2 ft. x 12 in.
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705-001 Ipheion uniflorum 
Sun Zones 6-9 Light Blue flowers
Our dry border is lined with this bulb which produces upward facing starry blue flowers. The strap-like foliage is lustrous green and persists through the winter. Spring to early summer. bloom 6 in.
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705-002 Ipheion uniflorum 'Album' 
Sun Zones 6-9 White flowers
We received this from our friend Jean Natter who received it at an International Bulb Society conference as a donation from Alberto Castillo, a collector in Argentina. The flowers and foliage are almost double the size of the species. Spring to early summer. bloom 6-8 in.
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041-170D4 Iris 'Buff Dancer' 
Sun Zones 7-9 Buff to Coral flowers
Broad-leaved water iris with unusually colored flowers of buff with a hint of coral. June. bloom 30 in.
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041-156 Iris cristata f. alba 
Part Shade Zones 4-8 White flowers
This east coast native is one of the ephemeral joys in our Woodland Garden. The delicate, 1-1/2-inch white flowers have yellow patches on their falls. The foliage is lance-shaped and mid-green. Spring. bloom 4 in.
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041-037D4 Iris foetidissima ( Stinking iris ) 
Sun Zones 7-9 Purple flowers
The purple beardless flowers cannot match the autumn show when the large seed capsules split revealing a treasury of bright scarlet seeds within. Early summer. bloom 1-3 ft. x 3 ft.
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041-151 Iris gracillipes 
Part Shade Zones 5-8 Lilac Blue flowers
Customers have clamored for this diminutive iris for years. In our garden this forms a ring of grass like foliage with 1.5-inch flowers in early spring. Early spring. bloom 6-9 in.
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041-011D2 Iris graminea 
Sun Zones 6-9 Violet-Purple flowers
Because of its diminutive size, you must kneel to sniff the grape-like fragrance of the late spring blooms. Forms grassy clumps of attractive green foliage. Try it at the front of a mixed border where you can better see the dark violet flowers held within the foliage. Late spring. bloom 12 in. x 12 in.
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041-017D4 Iris 'Holden Clough' 
Sun-Part Shade Zones 5-8 Yellow/Purple Veining flowers
A water-loving iris with flowers of subdued yellow overlaid with attractive purple-brown veining. Evergreen foliage in mild climates. June. bloom 3 ft.
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041-012D4 Iris japonica ( Orchid iris ) 
Part Shade Zones 7-9 Pale Lavender flowers
Orchid-like flowers of pale lavender spotted with dark lavender rise on slender stems above a fan of sword-leafed foliage. May to June. bloom 24-30 in.
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041-044D4 Iris japonica 'Aphrodite' 
Part Shade Zones 7-9 White/Pale Lavender Blue flowers
Broad ivory stripes up the evergreen blades. In the middle of winter this is still beautiful. Delicate orchid-like blooms. May to June. bloom 24 in.
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041-042 Iris kamaonensis 
Sun Zones 6-9 Lilac flowers
Fragrant lilac flowers with purple veins and white beard. From the central Himalayas. Late spring. bloom 8 inches.
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041-239-1 Iris laevigata 
Sun Zones 4-9 Purple Blue flowers
A water-loving iris from Asia. Unbranched stems bear 2 to 4 flowers. The standards are short, the falls quite long. June to July. bloom 32 in.
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041-145D4 Iris maackii 
Sun Zones 6-9 Yellow flowers
A waterside iris with somewhat broad mid-green foliage which forms a fan-like fountain bearing many-flowered bloom stems.. Attractive seed heads. Late spring. bloom 2.5 ft.
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041-150-1 Iris polakii 
Sun Zones 6-10 Violet flowers
Iran, Kurdistan. Lovely violet iris with a dark beard. Late spring. bloom 8-9 in.
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041-175D4 Iris pseudacorus 'Ivory' 
Sun Zones 5-8 Cream flowers
A very attractive color form of this water-loving iris. Fine for naturalizing in moist areas and ponds. Erect flower stems. Midsummer. bloom 5 ft.
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041-131D4 Iris pseudacorus 'Variegata' ( Yellow flag ) 
Sun Zones 5-8 Yellow flowers
This is noted for the cream-white edging on the margins of the young foliage which decreases as the leaves mature. Midsummer. bloom 4 ft.
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041-133D4 Iris setosa 
Sun Zones 3-8 Light Purple-Blue flowers
Graceful beardless iris with purple blue falls and short, erect standards. Late spring. bloom 1.5 ft.
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041-136 Iris setosa 'Nana' 
Sun Zones 3-8 Light Purple-Blue flowers
Small beardless iris that is beloved for the sheer simplicity of its bloom. Purple blue falls and short standards. Late spring and early summer. bloom 8 in. x 6 in.
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041-245D4 Iris siberica 'Adj' (McEwen, 1983) 
Sun Zones 3-9 Deep Violet Blue flowers
Of all the iris in our stock area, this draws the most raves. The regal bloom has deep violet blue (almost blue black) falls with the thinnest razor-edged margin of gold, which is echoed inside the blue veined blaze. Late spring and early summer. bloom 3 ft.
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041-182D4 Iris siberica 'Bellissima' (Warburton, '86) 
Sun Zones 3-9 White flowers
Ruffled pure white blooms with a green flush at the signals. Late spring and early summer. bloom 2-3 ft.
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041-178D4 Iris siberica 'Butter and Sugar' (McEwen, '77) 
Sun Zones 3-9 White flowers
Creamy buds open to white flowers with yellow signals. A shorter form. Late spring and early summer. bloom 2-3 ft.
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041-019D4 Iris siberica 'Caesar's Brother' 
Sun Zones 3-9 Rich Purple flowers
Small, rich purple, classically shaped flowers with erect standards and very downward falls. The glint of a white blaze is visible. The narrow foliage has a bluish cast. Late spring and early summer. bloom 4.5 ft.
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041-177D4 Iris siberica 'Dance Ballerina Dance' 
Sun Zones 3-9 White/Lavender Rose flowers
Nearly white standards. Lavender-rose falls. Ruffled. Blooms early. Late spring and early summer. bloom 30 in.
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041-184D4 Iris siberica 'Dear Dianne' 
Sun. Zones 3-9 Blue flowers
The large flowers have wavy-edged, rich blue falls that have a razor-fine line of white along their margins. The standards are a clear rich blue. Even the foliage has a blue cast to it. Late spring and early summer. bloom 40 in.
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041-185D4 Iris siberica 'Dreaming Orange' (McEwen) 
Sun Zones 3-9 Cream flowers
The flowers here are truly only "dreaming" about being orange. The lemony buds open to large creamy white falls that fade attractively to pure white. The signal is golden yellow and the standards are pure white. Late spring and early summer. bloom 40 in.
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041-134D4 Iris siberica 'Flight of Butterflies' 
Sun Zones 3-9 Mid-Blue flowers
A delicate beauty. Numerous small flowers with mid blue-violet standards and white-blue veined falls. The foliage is low and very narrow. Late spring and early summer. bloom 3 ft.
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041-186D4 Iris siberica 'Forrest McCord' 
Sun Zones 3-9 Dark Blue flowers
Elegant with dark blue falls sporting tasteful gold signals at their bases. The falls have a razor thin white margin. Late spring and early summer. bloom 3 ft.
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041-187D4 Iris siberica 'Four Winds' 
Sun Zones 4-9 Mid Sky Blue flowers
The mid-blue flowers are small and very deltoid in shape. The blaze is white with dark netting. A compact iris with mid-sized stems. Midspring to early summer. bloom 24-28 in.
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041-020D4 Iris siberica 'Fourfold White' 
Sun Zones 3-9 White flowers
Large, pure white blossoms with a gold spot at the base of the falls. Late spring and early summer bloom 3.5-4 ft.
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041-180D4 Iris siberica 'George Henry' 
Sun Zone 3-9 Blue flowers
Classic in form with upright standards and blue falls that have a red over-wash. The pale blue hasps are lovely accents. Somewhat bluish foliage enhances the overall beauty of the flowers. Late spring and early summer. bloom 3 ft.
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041-188D4 Iris siberica 'Harpswell Haze' (McEwen) 
Sun Zones 3-9 Blue flowers
The shape of the flowers harks back to an earlier age. The blue falls do exactly that - fall straight downward, emphasizing the large upright standards. The prominent signal is white with dark netting and buff-red highlights. A large bloom. Late spring and early summer. bloom 3 ft.
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041-189D4 Iris siberica 'Heliotrope Bouquet' 
Sun Zones 3-9 Light mauve flowers
Pale mauve flowers with feathery styles. Late spring and early summer. bloom 2.5 ft.
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041-190D4 Iris siberica 'High Standards' 
Sun Zones 3-9 Dark Blue-Purple flowers
Tall dark blue-purple with classic form. Very tall foliage. Late spring and early summer. bloom 4 ft.
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041-191D4 Iris siberica 'Indy' (Hollingsworth, '85) 
Sun Zones 3-9 Red-Violet flowers
Red-violet falls. Red-violet standards with a blue influence. Late spring and early summer. bloom 32 in.
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041-192D4 Iris siberica 'Jaybird' (Hager, '82) 
Sun Zones 3-9 Blue flowers
The rich blue falls have gold and white netting and are edged in pale silver. The contrasting standards are periwinkle. Late spring and early summer. bloom 30 in.
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041-193D4 Iris siberica 'Lady Vanessa' (Hollingsworth) 
Sun Zones 3-9 Amethyst flowers
The flower shape here is deltoid. Burgundy buds unfurl claret falls with distinct white signals penciled with dark tracery. The smoky amethyst standards have lavender hasps. A thrilling color combo. Late spring and early summer. bloom 30 in.
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041-194D4 Iris siberica 'Laughing Brook' (Waite, 1984) 
Sun Zones 3-9 Inky Blue flowers
The inky blue falls have a red sheen when sun struck. Their white signals reveal black penciling. Late spring and early summer. bloom 36 in.
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041-243D4 Iris siberica 'Liberty Hills' 
Sun Zones 3-9 Violet Blue flowers
Mid-violet blue tones grow darker around the signal. Late spring and early summer. bloom 32 in.
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041-195D4 Iris siberica 'Lucky Lilac' 
Sun Zones 3-10 Lavender Pink flowers
Lavender-pink flowers. Possible repeat blooms. Late spring and early summer. bloom 36 in.
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041-196D4 Iris siberica 'Moonsilk' 
Sun Zones 3-9 Cream flowers
Yellow buds open to a very deltoid shaped flower. The falls are creamy yellow fading to white, each with a subdued yellow blaze. The standards are white. Late spring and early summer. bloom 20 in.
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041-018D4 Iris siberica 'Navy Strut' 
Sun Zones 3-11 Mid-Blue flowers
Large flowers of mid-blue. Late spring and early summer. bloom 36 in.
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041-101D4 Iris siberica 'Orville Fay' 
Sun Zones 3-9 Violet Blue flowers
Violet blue flowers with dark veining. Late spring and early summer. bloom 36 in.
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041-179D4 Iris siberica 'Percheron' 
Sun Zones 4-9 Blue flowers
Dramatic ruffled flowers with dark veined blue standards. The falls are mottled blue and rose blue with pale blue epaulets. Midspring to early summer. bloom 3 ft.
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041-100D4 Iris siberica 'Perry's Pygmy' (Perry) 
Sun Zones 3-9 Red Violet flowers
Red violet standards with violet falls that have a white signal. Blooms are small. Late spring and early summer. bloom 40 in.
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041-197D4 Iris siberica 'Pink Sparkle' (Hager, '85) 
Sun Zones 3-9 Lavender Pink flowers
Matching lavender pink standards and falls. A close look reveals blue veining on the falls. Late spring and early summer. bloom 48 in.
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041-198D4 Iris siberica 'Regency Belle' 
Sun Zones 3-9 Rich Blue flowers
Large showy flowers with rich blue ruffled falls and broad triangular blue standards. The hasps are a contrasting sky blue. Late spring and early summer. bloom 30 in.
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041-199D4 Iris siberica 'Regency Buck' (McEwen, '85) 
Sun Zones 3-9 Purple-Blue flowers
Attractive somewhat blue-green foliage. Lovely, very large dark purple-blue flowers with wide ruffled falls. Good late bloomer. Late spring and early summer. bloom 36 in.
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041-200D4 Iris siberica 'Reprise' (Warburton, '87) 
Sun Zones 3-9 Purple flowers
We are still waiting for this to repeat bloom. Despite the disappointment, we heartily recommend its exquisite blend of red purple and blue purple flowers. The signal is white, netted with red buff. Late spring and early summer. bloom 36 in.
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041-090D4 Iris siberica 'Rill' (Bellegamba) 
Sun Zones 3-9 Medium Blue flowers
Medium blue with blue and white styles. Late spring and early summer. bloom 32 in.
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041-099D4 Iris siberica 'Rimouski' (Isabelle Preston) 
Sun Zones 3-9 White flowers
Pure white with yellow influence. Said to repeat bloom, but has not for us. Late spring and early summer. bloom 36 in.
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041-025D4 Iris siberica 'Ruffled Velvet' 
Sun Zones 3-9 Plum Purple flowers
Deep plum-purple with gold and black at the center of each fall. Very dramatic! Late spring and early summer. bloom 36 in.
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041-026D4 Iris siberica 'Sea Shadows' 
Sun Zones 3-9 Pale Blue flowers
Older form with more delicate species-like flowers. Pale sea blue. Late spring and early summer. bloom 36 in.
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041-244D4 Iris siberica 'Serenade in Blue' 
Sun Zones 3-9 Blue flowers
The upright flowers have been described as having the best blue of all the Siberian forms. The ruffled falls are slightly lighter in color. Late spring and early summer. bloom 30 in.
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041-201D4 Iris siberica 'Shirley Pope' (McEwen, '79) 
Sun Zones 3-9 Purple flowers
The foliage here is distinctly dark green. Black buds open to reveal sumptuous velvety purple flowers with purple-veined white signals. Late spring and early summer. bloom 36 in.
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041-098D4 Iris siberica 'Snow Queen' 
Sun Zones 3-9 White flowers
White flowers with yellow hafts. Late spring and early summer. bloom 30 in.
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041-202D4 Iris siberica 'Sultan's Ruby' 
Sun Zones 3-9 Dark Magenta flowers
Black buds open to velvety magenta falls each with a stunning yellow blaze. This is a very large and showy flower. Late spring and early summer. bloom 3 ft.
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041-203D4 Iris siberica 'Windwood Spring' 
Sun Zones 3-9 Light Blue flowers
Ruffled, light blue flowers with large white blazes. Late spring and early summer. bloom 36 in.
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041-143D4 Iris siberica 'Wizardry' (Hollingworth, '85) 
Sun Zones 3-9 Lavender flowers
White standards with lavender falls and gold blazes. Late spring and early summer. bloom 36 in.
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041-087-1 Iris spuria 'Imperial Ruby' (E. McCown, 1973) 
Sun Zones 4-9 Red Purple flowers
This older cultivar never fails to draw attention when the flowers open on stately stems. Their dark red purple coloring is especially dramatic. Spuria iris need good drainage and do not like to be watered after bloom. We have found these to be good performers in our dry borders. June. bloom 4 ft.
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041-086 Iris tenax 
Sun, Part Shade Zones 7-9 Lavender Blue flowers
Pacific Coast Iris. Raised from seed collected in the western end of the Columbia River Gorge. Very tough, narrow, deep green foliage is evergreen. In late spring, stems emerge bearing 1 or 2 delicate looking, 3-inch flowers that are lavender blue. There is a yellow blaze in the middle of each one of the falls. Good drainage is essential. May and June. bloom 8-14 in. x 12 in.
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041-065D2 Iris tenax 
Sun, Part Shade Zones 7-9 Violet flowers
Divisions of a good delicate pink-violet flowered form with striking gold markings. This Pacific NW native was raised from seed in our gardens. Tough deep green deciduous foliage. Late spring. bloom 12 in.
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041-235D4 Iris unguicularis 
Sun Zones 7-9 Lavender-Blue flowers
Some years this begins blooming in late autumn and then repeats in the late winter. The flowers bloom within long grass-like evergreen foliage, perhaps seeking its protection. Not showy from a distance but a breath of fresh air at a difficult time of year. We treasure the lavender-blue flowers with yellow blazes on their falls. (Late autumn), late winter and early spring. bloom 12 in.
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041-140D4 Iris versicolor 
Sun Zones 3-9 Rosy Violet flowers
Eastern and Midwest native. Rosy violet flowers with white signals. Flowers stay within the foliage. Late spring. bloom 1.5 ft.
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041-097D4 Iris versicolor 'Wild Wine' 
Sun Zones 3-9 Red Wine flowers
A red wine colored form of the species. Late spring. bloom 15-18 in.
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041-205D4 Iris virginica (pink) 
Sun Zones 7-9 Pink flowers
A vigorous, water-loving iris with broad leafed mid-green foliage. The base of the fans is stained a distinct burgundy red. From Louisiana. Late spring. bloom 2.5 ft.
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041-206D4 Iris virginica (white, purple veins) 
Sun Zones 7-9 White/Purple flowers
A vigorous, water-loving iris with broad-leafed, mid-green foliage. The base of the fans is stained a distinct burgundy red. From Louisiana. Late spring. bloom 2.5 ft.
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533-001D4 Itea virginica 'Henry's Garnet' 
Sun, Part Shade, Shade Zones 5-8 White flowers
It is hard to compliment this midsized shrub enough. Not only does it have fuzzy, large pipe-cleaner-like racemes of fragrant flowers in midsummer, but, by late summer, the leaves begin to turn brilliant shades of burgundy and red. In our mild winters the shrub is semi-evergreen and keeps its colors into the spring. Spring. bloom 3.5-4 ft. x 3-5 ft.
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533-002D4 Itea virginica 'Little Henry' (PP#10,988) (Richard Feist) 
Sun, Part Shade, Shade Zones 5-8 White flowers
This Sweetspire is semi-evergreen in the Portland area. This means the brilliant red fall color stays around through the winter giving cheer to our gray gardens. In early summer, long cascading spires of small white flowers drape the plant. A reliable woody mounder for a large variety of settings. Early summer. bloom 3 ft. x 2.5 ft.
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