Sempervivum and Jovibarba forum: Semps and the hot summer

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Name: Paul
southern California
Zone 8B/9A
Region: California Herbs
Aug 10, 2017 11:16 PM CST
Hi all, I had an interesting conversation and thought that it might be of interest to you.

I was talking to someone from Bulgaria about the sempervivum that grew in his country, and he said that the summers in his village regularly hit 95 F but that sempervivum grew there no problem. He said they didn't even water them, they just planted them in partial shade and let them be.

A bit heartening to learn that even in their natural environment, sempervivum experience very hot temperatures during the summer but survive nonetheless so long as they are shaded. Hurray! Green Grin!
Name: Jo Ann
Washington State (Zone 7a)
Aug 11, 2017 12:03 AM CST
Very interesting Paul. I wish you could find out if what they are growing are species or cultivars and some names would be really great. Thanks for this posting
Name: Paul
southern California
Zone 8B/9A
Region: California Herbs
Aug 11, 2017 1:11 AM CST
The two I mentioned that he googled and recognized were S. ciliosum and S. leucanthum. Even though they are Bulgarian natives, he said that even there they needed partial shade in summer to survive, but beyond that they did perfectly fine and people just let them grow as they pleased and never even watered them.
Name: Karen
NM (Zone 7b)
Region: New Mexico Region: Arizona Cactus and Succulents Greenhouse Sempervivums Bromeliad
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Aug 11, 2017 9:13 AM CST
That is interesting! I wonder how much it rains there. I think my semps here in NM would die for sure if I didn't give them supplemental water. It just doesn't rain enough. We've had 5mm for the month so far.
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Name: Lynn
Dallas, OR (Zone 8b)
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Aug 12, 2017 1:17 PM CST


That is interesting Paul. We have plenty of areas here in the U.S. that can grow semps that way, but here in this part of the Pacific Northwest summer is very dry, no rain, and hot. Most of my semps would have perished by now. I do agree that even here they can go with almost no water during summer if given enough shade and soil that will hold moisture.
Name: Tim Stoehr
Canby, Oregon (Zone 8b)
Butterflies Sempervivums Region: Pacific Northwest Vegetable Grower Cactus and Succulents Sedums
Bee Lover Region: Oregon Dragonflies Keeper of Poultry Cat Lover Composter
Aug 12, 2017 8:45 PM CST
I'm liking Summer.

Thumb of 2017-08-13/tcstoehr/fcad5f

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[Last edited by tcstoehr - Aug 12, 2017 8:49 PM (+)]
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Name: Bev
Salem OR (Zone 8a)
Sempervivums Container Gardener Foliage Fan Garden Ideas: Master Level Photo Contest Winner: 2014
Aug 12, 2017 10:14 PM CST
Looks like the plants are liking it too...
Name: Paul
southern California
Zone 8B/9A
Region: California Herbs
Aug 13, 2017 12:25 AM CST
If I run into him again, I'll remember to ask what the rainfall is like there. Our rain here is either cold winter rain or warm monsoon rain, neither of which are semps' favorite Hilarious!

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