ORIGANUM vulgare 'Aureum'
(oh-RIG-an-um) (vul-GARE) | HBORVA3 |
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| Common Name: Golden Oregano |
| Description: RHS Award of Garden Merit. Rare variety; gold, aromatic foliage. |
| Zone: 4 |
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ORIGANUM vulgare 'Hot & Spicy'
(oh-RIG-an-um) (vul-GARE) | HBORHS3 |
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| Description: Dark green leaves are strongly aromatic; tiny, white to purple-pink flowers. Noted for its intense, somewhat spicy flavor; use fresh or dried. |
| Zone: 4 |
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ORIGANUM x 'Amethyst Falls'
(oh-RIG-an-um) | ORIGAF3 |
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| Description: An outstanding, long blooming selection by Harlan from seed produced in the Kelaidis' garden several years ago. In addition to amethyst flowers flowing abundantly from ornamental, hops-like cones and attractive, textured, glaucous leaves this drought resistant plant's foliage fills the garden air with its exciting, spicy scent. |
| Zone: 5 |
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ORIGANUM x 'Amethyst Falls'
(oh-RIG-an-um) | ORIGAF5 |
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| Common Name: Oregano |
| Description: An outstanding, long blooming selection by Harlan from seed produced in the Kelaidis' garden. In addition to amethyst flowers flowing abundantly from ornamental hops-like cones and textured, glaucous leaves, this drought resistant plant's foliage has a spicy scent. |
| Zone: 5 |
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OROSTACHYS aggregeatus
(or-oh-STAK-ees) (ag-GREG-ee-a-tus) | OROSAG3 |
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| Common Name: Dunce Caps |
| Description: Neat, green, succulent rosettes from the Far East for the rock garden. White creamy flowers in late summer. No wet feet in winter. |
| Zone: 5 |
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OROSTACHYS iwarenge
(or-oh-STAK-ees) (iwa-renge) | OROSIW3 |
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| Common Name: Dunce Caps |
| Description: Choice, low, gray, succulent rosettes. |
| Zone: 5 |
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OROSTACHYS spinosus
(or-oh-STAK-ees) (spine-OH-sus) | OROSSP3 |
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| Common Name: Dunce Caps |
| Description: One of the finest. Similar to miniature Sempervivum and appears to have a white leaf margin. Stunning plant in the trough or rock garden. |
| Zone: 4 |
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OSTEOSPERMUM 'Avalanche' PP# 22,705
(oss-tee-oh-SPERM-um) | OSTEAV3 |
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| Common Name: Avalanche White Sun Daisy |
| Description: 2011 Plant Select®. Dazzling white flowers with a coppery backing from April through summer. Mats of lustrous, nearly succulent, evergreen foliage. Greater disease resistance and heavier bloom than other sun daisies. Propagation Prohibited. |
| Zone: 4 |
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OTHONNA capensis
(o-THON-a) (ka-PEN-sis) | OTHOCA3 |
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| Common Name: Little Pickles |
| Description: Blue-green, cylindrical leaves with stems of bright yellow daisies above foliage. A succulent Senecio selection for the sunny rock garden brought from Drakenberg Mountains of South Africa by Denver Botanic Garden's Panayoti Kelaidis. |
| Zone: 5 |
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PACHYPHYTUM 'Blue Haze'
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| Description: This succulent with blue foliage is a cross between Pachyphytum bracteosum and Pachyphytum glutinicaule. Tiny, yellow or yellow-orange flowers top this succulent. Pachyphytum comes from the Greek name which means thick leaves. |
| Zone: 10 |
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PACHYVERIA glauca 'Little Jewel'
(pak-ee-VER-ee-ah) | PACHLJ3 |
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| Common Name: |
| Description: Tapered leaves of dusky, powdery blue with reddish tints at the tips and some violet tones. Leaves actually look like jewels. |
| Zone: 10 |
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PAEONIA lactiflora 'Duchesse de Nemours'
(pay-OH-nee-ah) (lak-tih-FLOOR-ah) | PAEODD8 |
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| Common Name: Peony |
| Description: RHS Award of Garden Merit. Early, fragrant, white, double flowers. |
| Zone: 3 |
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PAEONIA lactiflora 'Karl Rosenfield'
(pay-OH-nee-ah) (lak-tih-FLOOR-ah) | PAEOKR8 |
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| Common Name: Peony |
| Description: Deep red, double flowers; medium early. |
| Zone: 3 |
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PAEONIA lactiflora 'Peter Brand'
(pay-OH-nee-ah) (lak-tih-FLOOR-ah) | PAEOPB8 |
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| Common Name: Peony |
| Description: Large, full, deep red, fully double flowers. One of the best red doubles. |
| Zone: 3 |
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PAEONIA lactiflora 'Sarah Bernhardt'
(pay-OH-nee-ah) (lak-tih-FLOOR-ah) | PAEOSB8 |
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| Common Name: Peony |
| Description: RHS Award of Garden Merit. Fragrant, deep pink, double flowers; late flowering. |
| Zone: 3 |
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PAEONIA 'Red Charm'
(pay-OH-nee-ah) | PAEORC8 |
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| Common Name: Peony |
| Description: Glossy, long-lasting, large, deep red, pom-pom flowers on strong stems in mid to late spring. Great for cut flowers. This hybrid is an American Peony Society Gold Medal Winner. |
| Zone: 2 |
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PAEONIA x 'Flame'
(pay-OH-nee-ah) | PAEOFL8 |
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| Common Name: Peony |
| Description: Hot pink, single flowers with orange tones in late May-June. Strong stems make it an excellent cut. |
| Zone: 3 |
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PANDOREA jasminoides 'Variegata'
(pan-DOOR-ee-a) (yas-min-OY-deez) | PANDJV4 |
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| Common Name: |
| Description: Wonderful, tender, twining, evergreen cousin of Trumpet Creepers featuring incredible, variegated creme and rich green foliage and large, fragrant, light pink flowers with hot pink throat. From northeastern Australia. |
| Zone: 9 |
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PANICUM virgatum 'Cheyenne Sky' PP#23,209
(PAN-ih-kum) (ver-GAY-tum) | GRPACS8 |
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| Common Name: Switch Grass |
| Description: An exciting selection chosen for its tight, vase-shaped form. Blue-green foliage turns wine-red late summer and showy flower spikes of the same color appear in fall. Seed plumes often persist through winter providing visual interest and food for birds. More compact and uniformly red than 'Shenandoah'. Propagation Prohibited. Limited. |
| Zone: 4 |
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PANICUM virgatum 'Dallas Blues' PP# 11,202
(PAN-ih-kum) (ver-GAY-tum) | GRPADB8 |
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| Common Name: Switch Grass |
| Description: 2016 GreatPlants™ Grass of the Year! Steely blue-purple foliage selection with many, very large flower panicles from early September to frost. Robust plants. Outstanding! Propagation Prohibited. |
| Zone: 5 |
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PANICUM virgatum 'Heavy Metal'
(PAN-ih-kum) (ver-GAY-tum) | GRPAHM8 |
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| Common Name: Blue Switch Grass |
| Description: Strongly glaucous, blue leaves, strictly upright. Never leans or flops, even in heavy rain. Blooms in fall with strong pink tones in inflorescence. Fine specimen with yellow fall color. |
| Zone: 5 |
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PANICUM virgatum 'Northwind'
(PAN-ih-kum) | GRPANW5 |
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| Common Name: Switch Grass |
| Description: 2014 PPA Plant of the Year! 2012 GreatPlants™ Grass of the Year! Considered the best landscape Panicum. 'North Wind' is an outstanding, upright, blue selection made by Roy Diblik of Northwind Perennial Farm in Wisconsin. Wide, substantial, greenish-blue grass blades become a lovely blue in summer and turn golden-yellow in fall. Rust resistant. Vigorous. |
| Zone: 2 |
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PANICUM virgatum 'Northwind'
(PAN-ih-kum) (ver-GAY-tum) | GRPANW8 |
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| Common Name: Switch Grass |
| Description: 2012 GreatPlantsTM Grass of the Year. Considered the best landscape Panicum. 'Northwind' is an outstanding, upright, blue selection made by Roy Diblik of Northwind Perennial Farm in WI. Wide, substantial, greenish-blue grass blades become a lovely blue in summer and turn golden-yellow in fall. Rust resistant. Vigorous. |
| Zone: 2 |
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PANICUM virgatum 'RR1' Ruby Ribbons TM PP# 17,944
(PAN-ih-kum) (ver-GAY-tum) | GRPARR8 |
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| Common Name: Ruby Ribbons Switch Grass |
| Description: This Panicum came from the University of Connecticut's plant breeding program. This deer resistant hybrid is a cross between Panicum 'Heavy Metal' x Panicum 'Hans Herme' producing a four foot specimen emerging with blue-gray foliage that turns burgundy-red by mid-summer. The foliage gets darker as the season progresses. Flower spikes appear in late summer and persist into winter; great in arrangements. Propagation Prohibited. |
| Zone: 5 |
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PANICUM virgatum 'Shenandoah'
(PAN-ih-kum) (ver-GAY-tum) | GRPASH5 |
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| Common Name: Red Switch Grass |
| Description: 2009 GreatPlants TM Grass of the Year! Dark red leaf tones in July, burgundy in August, to wine colored in September. Striking contrast plant. |
| Zone: 5 |
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PANICUM virgatum 'Shenandoah'
(PAN-ih-kum) (ver-GAY-tum) | GRPASH8 |
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| Common Name: Red Switch Grass |
| Description: 2009 GreatPlantsTM Grass of the Year. Dark red leaf tones in July, burgundy in August, to wine colored in September. Striking contrast plant. |
| Zone: 5 |
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PANICUM virgatum 'Trailblazer'
(PAN-ih-kum) (ver-GAY-tum) | GRPATR3 |
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| Common Name: Switch Grass |
| Description: Graceful, warm season, sod-forming native. Feathery, open seed heads. Foliage is orange-yellow in winter. |
| Zone: 5 |
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PAPAVER orientale 'Allegro'
(pah-PAH-ver)(or-ee-en-TALE) | PAPAAL5 |
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| Common Name: Poppy |
| Description: Enormous, 6" orange-red, black eyed flowers. |
| Zone: 3 |
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PAPAVER orientale 'Allegro'
(pah-PAH-ver) (or-ee-en-TALE) | PAPAAL3 |
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| Common Name: Poppy |
| Description: Enormous, 6", dazzling scarlet, black-eyed flowers. |
| Zone: 3 |
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PAPAVER orientale 'Beauty of Livermere'
(pah-PAH-ver)(or-ee-en-TALE) | PAPABL5 |
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| Common Name: Poppy |
| Description: Dark oxblood red flowers. |
| Zone: 3 |
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