Re: Oxalis and more

In a message dated 07/02/00 23:55:26 GMT Standard Time, 
Deborah.Lindsay@kaiseral.com writes:
I don't know if Q. agrifolia itself inhibits the O. pes-caprae, as in an 
alleleopathic effect,or if it is simply dry shade which inhibits it, as I
suspect, but there is very little O. pes-caprae under the 30 ft wide Oak on my
property. There is also very little under the Pines (species still to be
determined). But every bit of open sunny ground is buried in it.
Deborah, I don't know if this helps, but I have my only patch of O.p-c under 
the quite dense, dry shade of two "false" pepper trees. (Schinus molle). I am 
told that they cause the soil under neath to become acidic. It looks quite 
pretty (I know, but it does, sorry !) and for some reason has not spread 
anywhere else in the garden. So perhaps it is the oaks which inhibit. Dare 
one plant some under them to find out ?
I have much enjoyed the responses to my question as to the worlds most 
ubuquitous weed. Very spirited. My pet hate is the dread mimosa, which was 
introduced to this part of the Med. some time in the 1800s I believe, as a 
specimen tree ,and is now rampant on hill sides for acres and miles to the 
west of here, driving out the varied, aromatic natural cover, dying off in 
the occasional hard winter and leaving a brown mess, and springing back ever 
more vigorous after fire. I'm not surprised the bird life has deserted, 
nothing grows under it, and it doesn't seem as nest friendly as the 
indigenous vegetation. It's in flower now and people come from all over to 
admire it's virulent spring show.They think I'm mad not to love it. It even 
figures on the postcards. Jennifer
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