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December 16, 2005 : Rosmarinus officinalis 'Trusty'

Keywords: Lamiaceae | Rosmarinus officinalis 'Trusty' | 31893-0573-1995

Rosmarinus officinalis 'Trusty'

I mentioned last week that you could possibly find a rhododendron in bloom every day of the year in UBC Botanical Garden. I think (and others will surely correct me if I'm wrong) that the only genus of plants that you are guaranteed to find in flower every day of the year is Rosmarinus or the rosemarys.

The olfactory properties of Rosmarinus have a long-standing reputation for being memory stimulants. In “Aromas of rosemary and lavender essential oils differentially affect cognition and mood in healthy adults.” (Int. J. Neurosci. 2003 Jan;113(1):15-38), Moss et al. found evidence that partly supports this assertion, though they also discovered that the scent of rosemary seems to impair speed of memory.

For more on this plant as a spice, I'll direct you to Gernot Katzer's page on Rosmarinus officinalis.

Photography resource link: Quick Tips for Better Nature Photography by Darwin Wiggett, via Nature Photographers Online.

Posted by Daniel Mosquin at December 16, 2005 2:46 AM

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Comments

Rosmarinus officinalis - Z6 - RHS Index of Garden Plants, Griffiths

Posted by: Beverley at December 16, 2005 8:30 AM

Link to wildlife photography hints was great. I have to admit that sometimes I use Photoshop to put a light in the eye of a bird when I was unable to capture it with the camera.:)

Harry

Posted by: Harry at December 16, 2005 11:48 AM

Rating the entire species Zone 6 is definitely not accurate. "Cold hardiness varies considerably, depending on selection. In general, upright varieties are hardier, while prostrate ones (originally from Majorca and Corsica) are more tender, suffering damage at 20F/-7C or even higher" (Sunset WESTERN GARDEN BOOK). If it's true that Rosmarinus officinalis 'Arp' is the "hardiest rosemary, taking temperatures as low as -10F/-23C" (Sunset) then even that one will not survive every winter in Zone 6.

Posted by: Ron B at December 16, 2005 12:05 PM

this picture is the most beautiful picture i have ever seen.

Posted by: Amanda at October 4, 2006 3:47 PM

Please share your comments about the photograph(s) and accompanying write-up. Telling a story about the subject of the photograph(s) is also much appreciated! If you have a gardening question, the best place to ask is on the UBC Botanical Garden Forums. Thank you!

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Botany Photo of the Day is a project of the UBC Botanical Garden and Centre for Plant Research, located in Vancouver, British Columbia Canada. UBC BGCPR is a department of the Faculty of Land and Food Systems within The University of British Columbia.