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["Sage Austin | Eureka! Design" <eureka AT hctc.net>]

Lichen is the miner's canary--if you have lichen that means your 
environment is very unpolluted. I would never get rid of my lichen, I 
consult it for signs like I do my watch for time.--Sage

sjc wrote:
> are lichens on your pear trees a concern?
>
> What kind of lichen?  Are they cutting out light/air movement or????
>
> I have lots of lichen on fruit trees here but never found them to be a 
> detriment.  At one point I was convinced that they provided harboring 
> places for insect pests, but observation revealed that birds where 
> delighted to take care of that issue, and those trees with lichen have 
> consistently performed as have those without. 
>
> So am curious about why you'd fool with getting them off/out.  We do 
> have different lichen here than down there, but the biggest differences 
> are in the ground/rock dwellers (almost no umbilicarias here, for 
> instance, and plenty more of 'red soldier' or 'British troop' types 
> here, sometimes covering an acre or so).  We have in trees many of the 
> cup types and some of the 'beard' sorts, but they don't get as long as 
> in the south, although I think that is as much because the wind rips 
> them off as anything else; in areas protected from the wind they get 
> fairly long.
>
> SJ
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