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Sempervivum arachnoideum 'Cobweb'

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Halime65 photos
Joined: 4/30/2009
Location: 8B Tallahassee, Florida
Posts: 146
Posted: Jul/19/2009 8:18 PM PST

Just bought a pot with about 8 of these guys crammed in there for $1.00 at Lowes.
Can I plant them in organic enriched potting soil? I read that they grow between rocks and such. Just wondering if anyone has planted them in good potting soil and if you had any problems?

Thanks.
witt blog photos
Joined: 3/28/2008
Location: Lancaster, SC
Posts: 16637
Moderator
Posted: Jul/20/2009 2:48 AM PST

A friend gave me a couple of them a few years ago. I had them in a pot outside, but when I brought them in for the winter they died. I hope someone will teach us a little more about them and their cultivation.
RiverRock blog photos
Joined: 2/22/2009
Location: Oregon
Posts: 609
Posted: Jul/20/2009 11:48 AM PST

Hen and chicks do best outside. They need a very well draining potting material..enriched potting soil is not good for them because it will retain water. H&C like to be dry for the most part..they are after all succulents, they store water in their leaves and stems. They only need water when about once a week an that does not mean drench them...just enough to get the potting medium wet and let it drain. If you use potting soil and it stays wet they will rot and die.

Semperviviums do not need to be brought in for the winter, they need a cold spell to go dormant that is likely why they died when you brought them in the house. Most semps are very cold hardy and can live under snow and ice and still do fine come spring.

I live in a zone 5 were the winter temps get well below freezing at -10 and my semps do just fine.

RR
witt blog photos
Joined: 3/28/2008
Location: Lancaster, SC
Posts: 16637
Moderator
Posted: Jul/20/2009 1:08 PM PST

So you're saying to treat the "cobweb" the same as old tough hens and chicks?
Now I'll have to see if my friend still has hers!
Halime65 photos
Joined: 4/30/2009
Location: 8B Tallahassee, Florida
Posts: 146
Posted: Jul/20/2009 7:09 PM PST

Hi RR,

Thanks for the reply. I have some top soil that I accidentally (new to gardening ) dumped way to much perlite in it. So I was wondering if that might work for the Semps since the perlite lets the soil drain quickly?
Thanks
Halime
RiverRock blog photos
Joined: 2/22/2009
Location: Oregon
Posts: 609
Posted: Jul/21/2009 7:59 PM PST

Yep that would work fine

RR
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