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Scottish Rock Garden Club Forum
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Specific Families and Genera
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Cacti and Succulents
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Sempervivum
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Topic: Sempervivum (Read 7947 times)
Jan Tholhuijsen
Full Member
Posts: 109
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Sempervivum
«
on:
May 12, 2018, 08:59:49 AM »
Sempervivum an undervalued plant. There are hundreds of different cultivars and in a trough, in the full sun it is a pleasure to see. They are easy to propagate, by taking rosettes and simply putting them in a different place. I have come to appreciate them more and more.
Juniperus communis 'Compressa'
Orostachys thyrsiflora
Sedum pilosum
Sempervivum armenum
Sempervivum arachnoideum 'Christel'
Sempervivum CH Walliske Alpy Saas Fee
Sempervivum 'Borotin'
Sempervivum 'Sprite'
Sempervivum 'Wollaus'
Sempervivum arachnoideum subsp. doellianum
Sempervivum pumipumilum var. techensis
Sempervivum 'Lilac Time'
Sempervivum 'Voodoo'
Sempervivum x barbulatum Schott
Sempervivum montanum 'Rubrum'
Sempervivum pumilum 'Album'
Sempervivum Wild collected -Col du Rosalend-
Sempervivum montanum ssp. stiriacum
Sempervivum 'Seerosenstern'
Sempervivum 'Picos de Europa'
Sempervivum arachnoideum ssp arachnoideum 'Graubunden'
Sempervivum wild coll. -Gyadikvank arinenia-
Sempervivum -wild coll -Col du Pourtalet-
Sempervivum montanum cf heterophyllum
Sempervivum erythcalum 'Rila Pass'
Sempervivum cantabricum
Sempervivum tectorum var. boutignyanum
«
Last Edit: May 12, 2018, 09:02:09 AM by Jan Tholhuijsen
»
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You are never to old to learn.
Maggi Young
Forum Dogsbody
Global Moderator
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Posts: 44759
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"There's often a clue"
Re: Sempervivum
«
Reply #1 on:
May 12, 2018, 12:24:49 PM »
Striking examples of how good these plants will look in a trough, Jan.
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Margaret Young in Aberdeen, North East Scotland Zone 7 -ish!
Editor: International Rock Gardener e-magazine
ashley
Pops in from Cork
Hero Member
Posts: 2844
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Re: Sempervivum
«
Reply #2 on:
May 12, 2018, 01:54:00 PM »
That's a nice collection of sempervivums Jan. Your troughs look great too
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Ashley Allshire, Cork, Ireland
TheOnionMan
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Posts: 2687
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the onion man has layers
Re: Sempervivum
«
Reply #3 on:
May 14, 2018, 04:01:38 AM »
Jan, glad you started this topic, was thinking about starting a Sempervivum topic myself. Now that I took early retirement at 62 (I'm soon to be 64 in June), I have time to return to one of my true loves, hardy succulents, of which Sempervivum is prime. In the past 31 years at my current location in New England, USA (specifically the State of Massachusetts), I lost most of my Sempervivum collection, had about 200 cultivars. So I'm jumpstarting a new collection with intent to hybridize, ordering approx 160-170 species/cultivars between 6 different specialty semp vendors. My final order of 25 more cultivars arrives this coming week.
If one speaks German, there are some excellent Sempervivum reference web sites, for English, the best is the Sempervivum and Jovibarba Forum on National Gardening Association (NGA, a huge USA based assemblages of 102 forums). The semp forum is intrinsically tied to two databases, an extensive Sempervivum database, and a separate Jovibarba database (was started before Jovibarba genus was absorbed into Sempervivum). The members are from around the globe, but some benefits such as plant swapping are restricted to USA only, where one can create plant "have" and "want" lists automatically in the database.
Your mountainous Sempervivum planters are awesome! I'm in process of creating a "Sempervivumry" (dedicated Semp garden), so draw inspiration from troughs such as yours, and drawing from the taxonomic naming references built into the Semp & Jov forum on NGA. Take a look at the Sempervivum Database here:
https://garden.org/plants/group/sempervivum/
If you'd like to join, use this link (no cost):
http://garden.org/users/join/AntMan01/
As I rebuild my collection, I take in the orders and pot them up, until I build my dedicated sempervivumry landscape area, it's fun watching the new semps settle in, and start taking on color and rosette shape transition.
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Mark McDonough
Massachusetts, USA (near the New Hampshire border)
USDA Zone 5
antennaria at aol.com
Jan Tholhuijsen
Full Member
Posts: 109
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Re: Sempervivum
«
Reply #4 on:
May 14, 2018, 08:49:15 AM »
Hello Mark.
Thank you for your response.
My interest was awakened when I visited the garden of Jan Soucek in the Czech Republic.
He has a very large collection of sempervivums. Has written a book about it, but in the Czech language.
I am not a connoisseur, they are just beautiful grateful and most are easy plants. Although there are also difficult plants in between.
Here is my list of sempervivums that I have. 5 are dead. (dood)
https://drive.google.com/file/d/13I3i7197IRBUu25BxnGDldLMLl4iiCII/view?usp=sharing
Jan Soucek facebook profile is
https://www.facebook.com/honza.soucek.94
The garden page is
https://www.facebook.com/honza.soucek.94/media_set?set=a.975965735773627.1073741945.100000806295582&type=3
The czech database (also in English) is
https://tinyurl.com/bioLib-sempervivum
Photos are part of the garden of Jan Soucek of the sempervivum.
«
Last Edit: May 14, 2018, 08:53:50 AM by Jan Tholhuijsen
»
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You are never to old to learn.
Graham Catlow
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Posts: 1191
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Re: Sempervivum
«
Reply #5 on:
May 31, 2018, 03:57:12 PM »
Hi I wonder if anyone can identify this sempevivum for me. As you can see from the photo the label has broken and left me with only part of the specific name (ending in 'cum').
The length of the specific name is clearly shorter than the word Sempervivum and to my calculation is probably missing six letters.
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Bo'ness. Scotland
Graham Catlow
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Posts: 1191
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Re: Sempervivum
«
Reply #6 on:
June 07, 2018, 07:33:39 PM »
Its caucasicum
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Bo'ness. Scotland
Graham Catlow
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Posts: 1191
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Re: Sempervivum
«
Reply #7 on:
June 07, 2018, 07:40:33 PM »
Some of my more established pans.
S. atalanticum
S. 'Lion King'
S. arachnoideum
S. octopodes apelatum
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Bo'ness. Scotland
Graham Catlow
Hero Member
Posts: 1191
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Re: Sempervivum
«
Reply #8 on:
June 07, 2018, 07:49:11 PM »
And some more.
S. calcareum
Another S. calcareum
Jovibarba hirta neilrichii
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Bo'ness. Scotland
Leucogenes
Hero Member
Posts: 950
Country:
...keep on rockin in the free world
Re: Sempervivum
«
Reply #9 on:
June 17, 2018, 07:42:33 PM »
Today I had the time to photograph some Sempervivum and Sedum. I love this variety of colours and shapes...
«
Last Edit: June 17, 2018, 07:44:29 PM by Leucogenes
»
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Leucogenes
Hero Member
Posts: 950
Country:
...keep on rockin in the free world
Re: Sempervivum
«
Reply #10 on:
June 17, 2018, 07:45:24 PM »
...more
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Leucogenes
Hero Member
Posts: 950
Country:
...keep on rockin in the free world
Re: Sempervivum
«
Reply #11 on:
June 17, 2018, 07:47:25 PM »
...more
«
Last Edit: June 17, 2018, 07:49:15 PM by Leucogenes
»
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FrazerHenderson
Hero Member
Posts: 931
Country:
For people, scenery and plants visit Yemen
Re: Sempervivum
«
Reply #12 on:
April 04, 2021, 11:23:44 AM »
An interesting illustrated article on
Sempervivum
at
https://www.cactusandsucculentreview.org.uk/assets/downloads/2020/csr-march-2020.pdf
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Yemen, what a country ... Haraz mountains, Socotra, Sana'a, Hadramaut, the empty quarter.... a country of stunning, mind altering beauty...and the friendliest of people.
ruweiss
Hero Member
Posts: 1580
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Re: Sempervivum
«
Reply #13 on:
April 17, 2021, 08:26:13 PM »
These Jovibarba heuffeli Hybrids are not everybodys taste, the color gets more
greenish later in the year
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Rudi Weiss,Waiblingen,southern Germany,
climate zone 8a,elevation 250 m
Tristan_He
Hero Member
Posts: 1223
Country:
Re: Sempervivum
«
Reply #14 on:
April 17, 2021, 10:51:43 PM »
I can't recall seeing any images of Semps from seed, so here is a snap of my potful of
S. arachnoideum
subsp.
tomentosum
.
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Scottish Rock Garden Club Forum
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Sempervivum
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