OENOTHERA macrocarpa subsp. fremontii
(e-NOTH-er-a) (mak-roe-KAR-pa) | OENOFR3 |
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| Common Name: Evening Primrose, Sundrops |
| Description: Large, light yellow flowers beginning in May; most have glaucous leaves, narrower than species. Drought tolerant plants, native to NE & KS. |
| Zone: 4 |
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ORIGANUM vulgare 'Hot & Spicy'
(oh-RIG-an-um) (vul-GARE) | HBORHS3 |
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| Common Name: |
| 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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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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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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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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PEPEROMIA ferreyrae
(pep-er-OH-me-ah)(fair-ee-RAY) | PEPEFE3 |
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| Common Name: |
| Description: Attractive succulent forms mounds of wispy, lime-green rosettes. |
| Zone: 10 |
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PEPEROMIA graveolens
(pep-er-OH-me-ah) | PEPEGR3 |
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| Common Name: |
| Description: Green, v-shaped succulent leaves with wine red undersides and stems. Yellow-white flower spike in summer. |
| Zone: 10 |
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PERSICARIA affinis 'Himalayan Border Jewel'
(per-sih-KAR-ee-uh) (a-FIN-is) | PERSHB3 |
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| Common Name: |
| Description: Fine, creeping ground cover with small, light pink flowers in spring. |
| Zone: 3 |
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PHILADELPHUS microphyllus
(fil-a-DEL-fus) (mik-ro-FIL-us) | PHILMI5 |
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| Common Name: Littleleaf Mock Orange |
| Description: Native of the Rockies; slow and low growing mock-orange is an ideal addition to the perennial garden, border, or for a mass planting on an embankment. Very bushy and graceful with very fragrant (pineapple-like), 1", white flowers in June. Dark brown, glossy, and exfoliating bark adds winter interest. |
| Zone: 5 |
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PHLOX subulata 'Blue'
(floks) (sub-yew-LAY-tah) | PHLOSB3 |
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| Common Name: Creeping Phlox |
| Description: Masses of blue flowers in spring.
Evergreen mats of moss-like foliage, a fine ground cover that is a mass of color in spring. |
| Zone: 3 |
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PHLOX subulata 'Blue'
(floks)(sub-yew-LAY-tah) | PHLOSB5 |
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| Common Name: |
| Description: Masses of blue flowers in spring. |
| Zone: 3 |
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PHLOX subulata 'Candy Stripe'
(floks)(sub-yew-LAY-ta) | PHLOCS5 |
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| Common Name: |
| Description: Very colorful, white and pink two-toned flowers. Good for rock gardens. |
| Zone: 3 |
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PHLOX subulata 'Candy Stripe'
(floks) (sub-yew-LAY-tah) | PHLOCS3 |
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| Common Name: Creeping Phlox |
| Description: Very colorful, white and pink, two-toned flowers.
Evergreen mats of moss-like foliage, a fine ground cover that is a mass of color in spring. |
| Zone: 3 |
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PHLOX subulata 'Pink'
(floks) (sub-yew-LAY-tah) | PHLOSP3 |
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| Common Name: Creeping Phlox |
| Description: Covered with pink flowers in spring.
Evergreen mats of moss-like foliage, a fine ground cover that is a mass of color in spring. |
| Zone: 3 |
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PHLOX subulata 'Pink'
(floks)(sub-yew-LAY-ta) | PHLOSP5 |
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| Common Name: |
| Description: Covered with pink flowers in spring. |
| Zone: 3 |
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PHLOX subulata 'Red'
(floks) (sub-yew-LAY-tah) | PHLOSR3 |
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| Common Name: Creeping Phlox |
| Description: Showy color.
Evergreen mats of moss-like foliage, a fine ground cover that is a mass of color in spring. |
| Zone: 3 |
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PHLOX subulata 'White'
(floks) (sub-yew-LAY-tah) | PHLOSW3 |
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| Common Name: Creeping Phlox |
| Description: Clean white color.
Evergreen mats of moss-like foliage, a fine ground cover that is a mass of color in spring. |
| Zone: 3 |
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PLATYCODEN grandiflorus 'Fuji White'
(plat-ee-KO-don) | PLATFW3 |
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| Common Name: Balloon Flower |
| Description: Pure white, bell-shaped flowers on dark green foliage. Very showy in a mixed border. |
| Zone: 3 |
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PLATYCODON grandiflorus apoyama albus 'Fairy Snow'
(plat-ee-KO-don) | PLATFS5 |
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| Common Name: Balloon Flower |
| Description: A delightful plant with delicate, blue veined, white flowers. |
| Zone: 4 |
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PLATYCODON grandiflorus apoyama albus 'Fairy Snow'
(plat-ee-KO-don) (gran-di-FLOOR-us) | PLATFS3 |
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| Common Name: Balloon Flower |
| Description: A delightful plant with delicate, blue veined, white flowers. |
| Zone: 4 |
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PLATYCODON grandiflorus 'Hakone Double Blue'
(plat-ee-KO-don) (gran-di-FLOOR-us) | PLATHD3 |
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| Common Name: Balloon Flower |
| Description: Rich, violet-blue, double bells. Selection from Japan. |
| Zone: 4 |
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PLATYCODON grandiflorus 'Hakone Double Blue'
(plat-ee-KO-don) | PLATHD5 |
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| Common Name: Balloon Flower |
| Description: Rich, violet-blue, double bells. Selection from Japan. |
| Zone: 4 |
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PLATYCODON grandiflorus 'Mariesii'
(plat-ee-KO-don) (gran-di-FLOOR-us) | PLATMA3 |
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| Common Name: Balloon Flower |
| Description: RHS Award of Garden Merit. Large, rich blue bells. |
| Zone: 4 |
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PLATYCODON grandiflorus 'Sentimental Blue'
(plat-ee-KO-don) (gran-di-FLOOR-us) | PLATSB3 |
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| Common Name: Balloon Flower |
| Description: F1 Hybrid dwarf bred for use as a pot plant; blooms first year. Many, intense blue flowers. |
| Zone: 4 |
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PLATYCODON grandiflorus 'Sentimental Blue'
(plat-ee-KO-don) | PLATSB5 |
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| Common Name: Balloon Flower |
| Description: F1 Hybrid dwarf bred for use as a pot plant. Blooms first year with many intense blue flowers. |
| Zone: 4 |
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PORTULACARIA afra decumbent
(por-tew-LAH-kar-ee-a) (AF-ra) | PORTAF3 |
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| Common Name: |
| Description: Low, mounding form of miniature jade. Excellent in containers and the landscape. |
| Zone: 10 |
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PORTULACARIA afra 'Red Stem'
(por-tew-LAH-kar-ee-a) (AF-ra) | PORTRS4 |
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| Common Name: |
| Description: Attractive, dark red stems on miniature jade plant. Excellent as indoor bonsai. |
| Zone: 10 |
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PORTULACARIA afra 'Variegata'
(por-tew-LAH-kar-ee-a) (AF-ra) | PORTAV3 |
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| Common Name: Variegated Elephant Bush, Miniature Jade |
| Description: Almost foolproof and beautiful, 'to scale', indoor bonsai. Easily trained, succulent shrub can be kept happy for years in a sunny window. |
| Zone: 10 |
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POTENTILLA nepalensis 'Ron McBeath'
(poe-ten-TIL-lah) | POTERM5 |
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| Common Name: Cinquefoil, Five Finger |
| Description: Bright carmine-red flowers over long season on clean, neat, disease-free foliage. Big improvement over 'Miss Willmott'. |
| Zone: 5 |
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