Re: Re[2]: hedges for very hot areas


Further on those old carob and olive hedges here in Adelaide, 
South Australia; most of them are around 2.5m or higher and about 
2m thick. They were, after all, originally planted to keep out free 
grazing cattle and horses. The clipping is usually done once new 
growth has ripened in mid-summer. I noticed a large olive hedge 
being clipped yesterday when I drove down to the city. Some of the 
work is now done using high ladders and low platforms constructed 
from linking aluminium tubes and locking joints. Nearly everyone 
now uses a long reach electric pruning shears for the work.

As to the species as far as I know they are just the common wild 
olive, Olea europa (have I got that current and right?). Olives used 
for hedges do not usually crop unless thay are let grow wild and 
untrimmed. The olives were introduced in part by people who 
thought we could develop a perfume industry here in the early 
days. The olive oil would have been used to extract the scents of 
roses, lavender and citrus. Sadly synthetic perfumes were invented 
about that time........

You would need to be careful about roots lifting pavements. I 
wonder if root pruning might work with the intruding roots being 
'planed' off flat so the paving could be relaid? A question there for 
experienced gardeners in the real Med.


Trevor Nottle
Garden Historian, Garden Writer, Designer, Consultant
WALNUT HILL, 5 Walker Street, Crafers, SA 5152 AUSTRALIA
Tel./ Fax. 61 8 83394210



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