newspaper mulch + Aquapore


Have tried this on the roses - about 2cm newspaper, covered 
with 12cm grass clippings.  I first watered the area thoroughly 
and then watered the mulch.  Next weekend I want to try it on 
the areas infested with tradescantia and vinca.  Irrigation 
systems can lull one into a false sense of security - 
I thought I had a die-back problem with a rugosa rose 
(Blanc double de Coubert) which according to my reference 
books would be unusual.  Sure enough on investigation I found 
it wasn't getting any water.  I now need to rejig the whole 
system as the original 'sprayers' are mostly too small for the plants.  

On the subject of irrigation systems does anyone have 
experience of Aquapore?  I saw it in a garden centre 
yesterday and it looks like a good idea, eg no blocking 
of nozzles, more efficient water distribution, especially 
if you lay it under the mulch.   

Also I'd like to ask about wasps.  We have the dreadful 
pest European wasp, however I have in my garden several 
nests of a native wasp (Polistes humilis).  Information on 
its habits is sparse, however I have ascertained that it 
eats the caterpillars of nuisances like the cabbage white. 
It seems to have multiplied in my garden since I have 
eschewed the use of pesticides and I've seen it busily 
patrolling the beds of perennials, I HOPE in search of 
weevils, caterpillars etc.  It has a fairly vicious sting,
but not lingering like a bee sting.  Surprising at the 
time but it doesn't last.  Also I only got stung because 
I went too close to the nest which is on my washing line. 
They are not at all aggressive.  I'd be interested to 
know if anyone else has experience of native wasps helping 
to reduce destructive insects.  

Liz

Liz Runciman
3a The Crescent
Marryatville SA 5068
Australia tel: 61 8 8332 9035
fax 61 8 8331 9041



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