Photo: Perovskia atriplicifolia 5.

Flowers. Kew Garden, London, UK. Planted. 2005-09-12.
Perovskia atriplicifolia Benth. Engl.: Russian sage. Deu.: Silber-Perowskie. Sven.: himmelsspira, rysk salvia
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Photo: Perovskia atriplicifolia 5.