IBERIS sempervirens
(eye-BEER-is) (sem-per-VI-renz) | IBERSE1 |
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| Common Name: Candytuft |
| Description: Spreading, evergreen plants completely covered with pure white flowers in spring. |
| Zone: 5 |
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IBERIS sempervirens
(eye-BEER-is) (sem-per-VI-renz) | IBERSE3 |
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| Common Name: Candytuft |
| Description: Spreading, evergreen plants completely covered with pure white flowers in spring. |
| Zone: 5 |
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IBERIS sempervirens 'Autumn Beauty'
(eye-BEER-is) (sem-per-VI-renz) | IBERAB3 |
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| Common Name: Candytuft |
| Description: Superior evergreen variety; blooms spring and fall. Fine for rock garden or ground cover. |
| Zone: 5 |
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IBERIS sempervirens 'Autumn Snow'
(eye-BEER-is) (sem-per-VI-renz) | IBERAS3 |
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| Common Name: Candytuft |
| Description: Profusion of larger, white flowers in spring and fall. |
| Zone: 5 |
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IBERIS sempervirens 'Weisser Zwerg'
(eye-BEER-is) (sem-per-VI-renz) | IBERWZ3 |
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| Common Name: Candytuft |
| Description: Masses of small, white flowers in spring cover bushy, tight mounds of foliage; deep green, needle-like leaves. |
| Zone: 5 |
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IMPATIENS Dwarf Hawaiian
(im-PAY-shi-enz) | IMPADH3 |
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| Common Name: |
| Description: Tight, low mounds of rich rose, purple, and ivory bicolored flowers with elfin spurs. Makes a wonderful weaver in the shade garden. |
| Zone: 11 |
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IMPATIENS Dwarf Hawaiian 'Fuchsia'
(im-PAY-shi-enz) | IMPAHF3 |
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| Common Name: |
| Description: Deep, solid fuchsia flowers with the same dwarf habit as the variegated form. Lovely! |
| Zone: 11 |
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IPOMOEA batatas #99 ['Lady Fingers']
(ip-oh-MEE-a) (ba-TAH-tas) | IPOMBA3 |
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| Common Name: Ornamental Sweet Potato |
| Description: Deeply cut, dark green leaves atop rich purple stems. Fast growing skirt plant, tender ground cover. |
| Zone: 10 |
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IPOMOEA batatas 'Ace of Spades'
(ip-oh-MEE-a) (ba-TAH-tas) | IPOMAS3 |
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| Common Name: Ornamental Sweet Potato |
| Description: Spade-shaped, dark leaves; edible, white tubers. Great accent plant or ground cover! |
| Zone: 10 |
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IPOMOEA batatas 'Blacky'
(ip-oh-MEE-a) (ba-TAH-tas) | IPOMBL3 |
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| Common Name: Ornamental Sweet Potato |
| Description: Unique, dark, cut foliage; productive, large, white, edible tubers. Popular accent plant. |
| Zone: 10 |
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IPOMOEA batatas 'Blacky'
(ip-oh-MEE-a) (ba-TAH-tas) | IPOMBL4 |
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| Common Name: Ornamental Sweet Potato |
| Description: Unique, dark, cut foliage; productive, large, white, edible tubers. Popular accent plant. |
| Zone: 10 |
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IPOMOEA batatas 'Marguarita'
(ip-oh-MEE-a) (ba-TAH-tas) | IPOMMA4 |
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| Common Name: Ornamental Sweet Potato |
| Description: Stunning chartreuse foliage; large, tasty, deep orange tubers. Fast growing ground cover for planter skirt, hanging garden, or trellis vine. |
| Zone: 10 |
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IPOMOEA batatas 'Marguarita'
(ip-oh-MEE-a) (ba-TAH-tas) | IPOMMA3 |
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| Common Name: Ornamental Sweet Potato |
| Description: Stunning chartreuse foliage; large, tasty, deep orange tubers. Fast growing ground cover for planter skirt, hanging garden, or trellis vine. |
| Zone: 10 |
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IPOMOEA batatas 'Pink Frost'
(ip-oh-MEE-a) (ba-TAH-tas) | IPOMPF3 |
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| Common Name: Ornamental Sweet Potato |
| Description: Variegated foliage with violet-pink blush. |
| Zone: 10 |
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IPOMOEA leptophylla
(ip-oh-MEE-a) (lep-to-FIL-uh) | IPOMLE3 |
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| Common Name: Bush Morning-Glory, Old Man of the Prairie, Earth |
| Description: Large, bush-like plant covered with pink flowers with dark throat from June-August. Forms a large, underground tuber. Nebraska native; restricted to nearly pure sand. |
| Zone: 4 |
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IPOMOPSIS aggregata
(i-pom-OP-sis) (ag-GRE-gat-a) | IPOMAG3 |
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| Common Name: Scarlet Rocket, Gilia |
| Description: Showy spikes of intense red, tubular flowers in July and August; biennial. Old-fashioned favorite. |
| Zone: 5 |
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IPOMOPSIS aggregata
(i-pom-OP-sis) (ag-GRE-gat-a) | IPOMAG1 |
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| Common Name: Scarlet Rocket, Gilia |
| Description: Showy spikes of intense red, tubular flowers in July and August; biennial. Old-fashioned favorite. |
| Zone: 5 |
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IRESINE herbstii
(ee-res-EE-nay) (hairbst-ee-eye) | IRESHE3 |
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| Common Name: Chicken Gizzard, Beefsteak Plant |
| Description: Purplish-red leaves with light red veins which are almost round and notched at the tip. Native to Southern Brazil. Colorful annual; can be pinched or sheared. |
| Zone: 9 |
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IRIS cristata
(EYE-ris) (kris-TAH-ta) | IRISCR3 |
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| Common Name: Dwarf Crested Iris |
| Description: Native. Usually blue flowered; shade tolerant. |
| Zone: 3 |
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IRIS ensata 'Variegata'
(EYE-ris) (EN-sa-ta) | IRISEV5 |
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| Common Name: Variegated Japanese Iris |
| Description: Striking, variegated foliage with dark purple flowers. |
| Zone: 5 |
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IRIS pallida 'Aurea Variegata'
(EYE-ris) (PA-li-da) | IRISAV8 |
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| Common Name: Flag, Fleur-De-Lis |
| Description: There is nomenclature confusion in this species! This has distinctly more yellow variegation and is more vigorous than 'Variegata'. Lovely, fragrant, lavender flowers. |
| Zone: 4 |
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IRIS pallida 'Variegata'
(EYE-ris) (PA-li-da) | IRISPV8 |
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| Common Name: Variegated Orris Root |
| Description: Fragrant, lavender-blue flowers; handsome leaves variegated with creamy-white and gray-green. |
| Zone: 4 |
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IRIS pseudacorus
(EYE-ris) (sood-A-ko-rus) | IRISPS5 |
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| Common Name: Water Iris, Yellow Flag |
| Description: Tall, 5', yellow flowers in summer. Cattail-sized clumps for poolside planting or border. |
| Zone: 5 |
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IRIS setosa subsp. canadensis
(EYE-ris) (say-TO-sa) | IRISCA3 |
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| Common Name: Flag, Fleur-De-Lis |
| Description: Lovely dwarf with purple flowers accented with rich, dark veins. Native in Northeastern U.S. and Eastern Canada. Summer flowering. Prefers moist soil. |
| Zone: 4 |
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IRIS sibirica
(EYE-ris) (si-BI-ri-ka) | IRISSI3 |
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| Common Name: Siberian Iris |
| Description: Good cut, beardless blues and purples. Good vertical lines for landscaping. |
| Zone: 4 |
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IRIS sibirica 'Butter & Sugar'
(EYE-ris) (si-BI-ri-ka) | IRISBS5 |
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| Common Name: Flag, Fleur-Des-Lis |
| Description: A rebloomer with creamy standards and butter-yellow falls. |
| Zone: 4 |
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IRIS sibirica 'Caesar's Brother'
(EYE-ris) (si-BI-ri-ka) | IRISCB5 |
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| Common Name: Flag, Fluer-De-Lis |
| Description: Rich, deep blue variety. |
| Zone: 4 |
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IRIS sibirica 'Sapphire Royale'
| IRISSR5 |
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| Common Name: Flag, Fleur-De-Lis |
| Description: Eye catching blue-violet flowers with contrasting falls. A little shorter and finer textured than 'Caesar's Brother'. |
| Zone: 4 |
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IRIS sibirica 'Welcome Return'
(EYE-ris) (si-BI-ri-ka) | IRISWR5 |
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| Common Name: Flag, Fleur-De-Lis |
| Description: Velvety purple-blue flowers on reliable rebloomer. |
| Zone: 4 |
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IRIS spuria 'Fontanelle'
(EYE-ris) (spew-REE-a) | IRISSF5 |
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| Common Name: Flag, Fleur-De-Lis |
| Description: Found years ago at an old farmstead. An unsurpassed, neat garden plant with elegant, large flowers of violet-blue, whose lavender-rose falls each bear a bright yellow spot. Flowers first two weeks of June. Wonderful, sword-like foliage. |
| Zone: 4 |
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