Sempervivum and Jovibarba forum: Sempervivum helveticum and the mystery semp

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Name: Paul
Antelope Valley, S. California
Zone 8B/9A
Region: California
cahdg6891
Jun 30, 2016 11:39 PM CST
Hi everyone Smiling

Does anyone know if Sempervivum helveticum is a proper species or is it a hybrid? The Royal Horticultural Society lists S. helveticum as a synonym but doesn't say of what, and these websites list it as another name for Sempervivum montanum.

https://mikesgardentop5plants.wordpress.com/2012/12/11/speci...

http://www.plantenvinder.nl/plant/details/id/7882

However, the database on this website says it's a hybrid. The name helveticum "of/from Switzerland" sounds like a proper botanical name to me. Scratching my head on this one! Confused I wish Sempervivums had a comprehensive encyclopedia. Sighing!

For the mystery semp, (detective hats please! I tip my hat to you. ) when I was out today I found this on a rack of succulents from Cactus Collection. The container says 'Hens and Chicks Asstd. / Sempervivum Species', and I once contacted Cactus Collection about a semp Home Depot had from them but never heard back. I am thinking possibly Sempervivum tectorum or the like? It definitely looks like this one listed on their website

http://www.cactusshop.com/library/ImagePopup.aspx?id=1302

but I'm not quite sure because my S. tectorums are usually either very green or reddish. Any thoughts?

And I apologize for my posts, they always seem to be so long. *Blush*

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Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level Sempervivums
Image
valleylynn
Jul 1, 2016 1:37 PM CST

Moderator

Hi Paul.
Great questions. This is what I find:
The only reference I find to helveticum is that it is a synonym, some say for S. montanum. What is on the market right now as S. 'Helveticum' does not look like a montanum species type semp?
http://www.youngs-garden.com/succulents/hens-and-chicks/helv...
http://mountaincrestgardens.com/sempervivum-helveticum/
We do have an entry in the database. Hen and Chicks (Sempervivum 'Helveticum')
Nothing is really know about this semp, 'Helveticum'.

Your photo is lovely, but no way of identifying it. I would love to see what it looks like through the seasons.
Name: Greg Colucci
Seattle WA (Zone 8b)
Sempervivums Sedums Plant Lover: Loves 'em all! Cactus and Succulents Container Gardener Garden Ideas: Level 1
Garden Art Birds Dog Lover Cat Lover Region: Pacific Northwest Hummingbirder
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gg5
Jul 2, 2016 3:53 PM CST
Hi Lynn, here is what mine looks like, it hasn't ever bloomed, but when it does we'll know if it has montanum in its heredity... From the looks I would say possible, it is a small tufted semp
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Plants bring me peace and calm, more of what we all need Smiling
[Last edited by gg5 - Jul 2, 2016 3:56 PM (+)]
Give a thumbs up | Quote | Post #1200520 (3)
Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level Sempervivums
Image
valleylynn
Jul 2, 2016 4:17 PM CST

Moderator

Yours looks the same as MCG and Young's, also Patty's photo in our database.
Name: Paul
Antelope Valley, S. California
Zone 8B/9A
Region: California
cahdg6891
Jul 2, 2016 5:07 PM CST
Lynn, what are some things to look for to identify a montanum type sempervivum? I have 'montanum ssp. minimum' in my collection, but not 'montanum' proper yet (unless 'helveticum' is indeed 'montanum').

Nice photo, Greg! Here are some pictures I snapped earlier this year of mine. The leaf tips turn a beautiful cherry red until it gets too hot to keep them in full sun.




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Name: Greg Colucci
Seattle WA (Zone 8b)
Sempervivums Sedums Plant Lover: Loves 'em all! Cactus and Succulents Container Gardener Garden Ideas: Level 1
Garden Art Birds Dog Lover Cat Lover Region: Pacific Northwest Hummingbirder
Image
gg5
Jul 2, 2016 5:22 PM CST
Nice Paul - it does look a little like helveticum Thumbs up
Plants bring me peace and calm, more of what we all need Smiling
Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level Sempervivums
Image
valleylynn
Jul 2, 2016 5:53 PM CST

Moderator

Here are a bunch of S. montanum with a number of subspecies.
http://www.semperhorst.de/Naturformen%20M/Naturformen%20M.ht...

And 5 pages more. Blinking
http://sempervivum-liste.de/natur
Name: Paul
Antelope Valley, S. California
Zone 8B/9A
Region: California
cahdg6891
Jul 2, 2016 10:08 PM CST
Thank you for the links, Lynn Smiling

It never ceases to amaze me how different sempervivums can look from each other, even within the same species.
Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level Sempervivums
Image
valleylynn
Jul 2, 2016 10:19 PM CST

Moderator

It is fascinating isn't it. Smiling
Name: Paul
Antelope Valley, S. California
Zone 8B/9A
Region: California
cahdg6891
Jan 4, 2017 2:37 PM CST
Just wanted to share some updated photos of this NOID with all of you and its cold weather coloration. It's blushed the same shade of violet/purple as some of my opuntias do when our temperatures drop. It had many of its lower leaves dry out from the summer heat, but made it through otherwise unfazed and has perked up quite a bit and even has a brand new offset beginning to peek from between the leaves Hurray!


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Name: Lynn
Dallas, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level Sempervivums
Image
valleylynn
Jan 4, 2017 6:05 PM CST

Moderator

Wow, that is awesome Paul. The color is stunning.
Be sure you add those photos to the new NOID thread Bev started. They are going to love this.
The thread "The My-Noid-ity Report" in Sempervivum and Jovibarba forum

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