The perfect silene? Silene acaulis

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Hoy
Hoy's picture
Title: Member
Joined: 2009-12-15

I have not grown Silene aculis but it is fairly common in the mountains here and I have often seen it just when the snow melts. It is not green but not brown either, more gray-yellow and the new growth is green between the old yellow leaves.

Strange- I have no pictures of it without flowers either!?

Midsummer:

Trond
Rogaland, Norway - with cool, often rainy summers  (29C max) and mild, often rainy winters (180 cm/year)!

Lori S.
Title: Moderator
Joined: 2009-10-27

Well, looks like checking on my Silene acaulis will have to wait until a natural thaw... the trough out front has a layer of very crusty, icy snow on it (a blowtorch would be a better choice of tool than the scoop I used!) and the tufa bed out back would take a lot of excavation; a few random holes in the snow didn't do it.  I'll try to remember to look when the snow melts off... I assume it will be as Trond says though.

Lori
Calgary, Alberta, Canada - Zone 3
-30 C to +30 C (rarely!); elevation ~1130m; annual precipitation ~40 cm

RickR
Title: Moderator
Joined: 2009-09-21

I have a Silene acaulis in a trough that is overwintering in the unheated garage for the first time, rather than outside.  It is consistently 10-15F warmer than outside, although the garage door is opened almost twice daily for my going to work.  Judging from the Draba rigida var. bryoides that usually shows more green,  plants are not as happy as they should be.  The no snow cover and even lower relative humidity is taking their toll.  So I think Trond's description is right on the money.

26 January 2013

Silene acaulis (& Antennaria)                                           Draba rigida var. bryoides
                                     

Rick Rodich    zone 4a.    Annual precipitation ~24 inches
near Minneapolis, Minnesota, USA

Lori S.
Title: Moderator
Joined: 2009-10-27

RickR wrote:

Judging from the Draba rigida var. bryoides that usually shows more green,  plants are not as happy as they should be.

Yes, that does ring a bell now about Silene acaulis...
I don't think I'd worry about the Draba rigida "not showing as much green as it should, hence not happy"....
Here's what it looks like here in winter and there has never, ever been any die-back, even through winters when it's been exposed most of the time:

Lori
Calgary, Alberta, Canada - Zone 3
-30 C to +30 C (rarely!); elevation ~1130m; annual precipitation ~40 cm

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