Phlomis russeliana (Turkish Sage)
Botanical Information
Family | Lamiaceae |
Genus | Phlomis |
Species | russeliana |
Synonyms | Phlomis samia Boiss., Phlomis viscosa |
Category | Perennials |
Origin | Native to Southwest Asia. |
Details
USDA Hardiness Zone | 1a - 6a |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 0a - 5b |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H7 |
RHS Hardiness Ref. | |
Temperature (°C) | -51 - (-21) |
Temperature (°F) | -60 - (-5) |
Height | 0.5 - 1 m |
Spread | Up to 0.5 m |
Growth | Fast |
Flowering Period | July, August, September |
Description and Growing Information
ID Characteristic | Stems are stout, erect. Flowers are clustered about the stems with leaves paired oppositely beneath. |
Cultivation | Grow in full sun, in moist, well-drained soil. |
Pests | Leafhoppers can be problematic. No serious diseases of note. |
Notable Specimens | RHS Garden Rosemoor, North Devon, England. Trebah Gardens, Mawnan Smith, Nr Falmouth, Cornwall. |
Leaf Description | Sage-like: ovate, roughly textured, grey-green. |
Flower Description | Tubular, softly yellow, up to 3 cm long, hooded, arranged in whorls. |