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Sedum
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16-10-2006, 12:10 PM posted to uk.rec.gardening
Uncle Marvo
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First recorded activity by GardenBanter: Aug 2006
Posts: 742
Sedum
In reply to michael adams ) who wrote this in
, I, Marvo, say :
"Uncle Marvo" wrote in message
...
I heard something on GQT on R4 on Sunday saying that sedum was
difficult to get, and all you got nowadays was some inferior variety.
Is this true?
I have told someone that I would kindly build them a green roof on
their garage, idiot that I be. I haven't a clue what I'm doing, but
I was going to put a rubbery membrane on it, build round the sides a
bit, fill it with compost and plant sedum and maybe some alpines
etc, in a Norwegian stylee.
You can't walk on the roof, it's asbestos or similar, so I can't be
weeding it either. I understand that I can put chicken wire over the
top which stops certain wildlife eating the roof, but I think that
would be ugly in the extreme.
Any ideas/tips/pointers/books/articles on the subject would be very
welcome.
The basic pricinple and method of Sedum roofs is described on here
plus a list of suitable plants at the end -
http://www.organicgardening.org.uk/factsheets/gg38.php
You're not actually restricted to sedums. Housleeks are another
possibility as they're hardy succulents as well. Sempervivium tectorum
and sempervivum arachnoideum etc.
A supplier of at least three sedum species plus houseleeks and
other suitable alpines might be
http://www.plantsbypost.co.uk/list.asp?CAT=10
However -
Alpines are o.k providing they have good drainage in winter.
Presumably for this, the roof needs to be sloping and not flat.
A completely flat roof would present problems I imagine.
The above site while not actually mentioning this point
lays great emphasis on having a drainage layer.
michael adams
...
Thank you
Clueless Unc
It slopes very much, which is an advantage for drainage but a disadvantage
for keeping the stuff where you wanted it. I am considering wire, like
chicken wire, to let the roots grab hold of something.
Thanks for that info.
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