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| Category: Shrub |
| Family: Lamiaceae (Labiatae) (Mints) |
| Origin: Middle East |
| Evergreen: Yes |
| Flower Color: Yellow |
| Bloomtime: Spring/Summer |
| Synonyms: [Phlomis ferruginea] |
| Height: 2-3 feet |
| Width: 2-3 feet |
| Exposure: Full Sun |
| Summer Dry: Yes |
| Irrigation (H2O Info): Low Water Needs |
| Winter Hardiness: 20-25° F |
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Phlomis viscosa (Viscid Jerusalem Sage) - An evergreen shrub 3 to 5 feet tall with ovate 2 to 3 inch long woolly and wrinkled yellow-green leaves that are lighter on the underside. From late spring to early summer 1/2 inch long yellow flowers in many-flowered wooly clusters (whorls) bloom at the branch tips. Plant in full sun to light shade and irrigate occasionally if at all. Seem hardy to the mid 20s and likely less. A tough and decorative drought tolerant plant. The name for the genus dates back to the first century AD from the Greek physician Dioscorides use of the word to describe some plants in the genus and it thought to originate from the Greek word meaning "flame" because the leaves of some species were used for lamp wicks. The specific epithet "viscosa" means viscid or sticky but this plant does not seem any more so than many other of the Phlomis. This plant is native to rocky slopes from 1,000 to 4,700 feet in Lebanon, Syria, Palestine and Turkey. We received this plant from Carol Bornstein, horticulturist at the Santa Barbara Botanic Garden.
This description is based on research and observations of this plant as it grows in our nursery, in our nursery garden and in other gardens that we visit. We also incorporate comments received and appreciate getting feedback of any kind from those who have any additional information about this plant, particularly if they disagree with what we have written or if they have additional cultural tips that would aid others in growing Phlomis viscosa.
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