Susan Harris
Susan Harris's blog about eco-friendly and urban gardening, plus the adventures of a DC-based garden writer, coach and occasional rabble-rowser.

Mexican Evening Primrose, or Experts are Human, Too

May 21, 2006 · 5 comments

Here’s a close-up of a plant I recently showed you and labeled as either Mexican or Evening  Primrose.   My excuseMexicaneveningprimrose_5 for not knowing (and Readers, do I really need one?) is its origin in my garden as a passalong from a neighbor.  But more will be revealed.

Friday night we Hort Clubbers enjoyed a private tour of the garden of Kevin Conrad, Curator of the Woody Plants Collection at the National Arboretum.  I was bad and didn’t snap lots of fabulous photos for you but I did take action when I saw this plant in his garden.  When I asked Kevin to solve the mystery – Mexican or Evening – he replied, "Neither.  It’s a Missouri Primrose."  Aha, I think, I’ll run home and report the results. 

Trouble is, a quick Internet search for the Latin name revealed the expert to be mistaken.  I knew this right away because the Missouri Primose, Oenothera missouriensis, is yellow, not pink like the Mexican Evening Primrose (O. berlandieri) we were looking at.  Kinda unsettling, I know.  And his garden was filled with really cool plants and he was cute, too.  I’ll just file it away under Don’t Believe Everything an Expert Says or Writes, subfolder Verbal.

{ 5 comments }

1 Sandy May 22, 2006 at 10:47 am

Thank goodness for Google. It is just impossible for someone to know it all:).

2 Nancy May 22, 2006 at 3:31 pm

I liked your compromise! Not “Mexican” OR “evening” primrose, but “Mexican evening primrose”! We call it that here in Phoenix too, though it is not an evening bloomer…

Nancy

3 Ali May 22, 2006 at 4:31 pm

I’ve heard these called Pink Ladies, and I do believe they are in the Missouri primrose family.

4 Pam J. May 24, 2006 at 9:38 am

Yesteday I saw this plant at my local nursery and it was labeled “showy primrose.” So to cover all bases you could call it the MAPLES primrose (Mexican-American Pink Lady Evening Showy primrose).

5 M Sinclair Stevens (Texas) May 26, 2006 at 10:23 pm

Down here we call it pink evening primrose (Oenothera speciosa) and, boy, can it take over a garden.

I never heard the other names until I googled it.
http://www.sbs.utexas.edu/bio406d/images/pics/ona/oenothera_speciosa.htm

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