MARINE AIR INFLUENCE ON MEDITERRANEAN CLIMATES

I'd be curious to know how many of you benefit (or not) from the summer
effects of fog in your various mediterranean climates.

Here in the San Francisco Bay Area, in the Oakland Hills at elevation about
1100', I've recorded just during the month of July this year nearly 3" of
fog drip beneath our tall (70-80') Deodar cedars.  This summer has been
unusually foggy, so this is not moisture I can rely on receiving each
summer.

The trees which collect and drop the fog like rain don't do so over the
entire garden, but where they do they surely have a powerful effect on the
question of summer watering.  In fact, where they overhang a western facing
slope which is blasted with sun through much of the summer and has been
planted over the course of the past three years with California natives,
that portion of the slope receiving the most fog drip shows plants growing
far less robustly than those beyond the fog drip line.  And those plants
receiving the most fog have significant fungal leave problems, as well.

If you receive significant fog drip in your garden, how do you take it into
account in your plantings and your watering schemes?


Sylvia Sykora
Oakland, CA
Sunset Zone 15.5
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