OENOTHERA m. subsp. incana (SILVER BLADE®)
(e-NOTH-er-a) (mak-roe-KAR-pa) | OENOSB3 |
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| Common Name: Evening Primrose, Sundrops |
| Description: 1999 Plant Select®. Southern Great Plains plant introduced by James Locklear, formerly of Nebraska Statewide Arboretum. Silvery-blue leaves complimented by huge, clear yellow flowers from May til frost. Drought tolerant perennial. Best on well-drained sites. |
| Zone: 4 |
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OENOTHERA macrocarpa [missouriensis]
(e-NOTH-er-a) (mak-roe-KAR-pa) | OENOMA3 |
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| Common Name: Missouri Primrose |
| Description: RHS Award of Garden Merit. Large, deep yellow flowers; sprawling plant with glossy, dark green leaves. |
| Zone: 4 |
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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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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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