On Aug 19, 1:12 pm, Stephen Henning wrote:
Travis wrote:
I wouldn't plant anything within the drip line. If the Oaks are native
they will get enough water from the sky but if you plant anything under
them you will need to water and that might be too much for the Oaks.

No one in Pennsylvania waters oak trees and everyone has something
planted underneath. Oaks are a favorite shade tree for rhododendrons
and azaleas. If people didn't plant under oaks, there would not be many
rhododendron and azalea gardens left. Most parks have grass doing quite
well under oaks. So, I think it depends upon what is planted under the
oaks.
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Cheers, Steve Henning in Reading, PA USA Zone 6


It really depends upon where the oaks are. Oaks on the Pacific Coast
have adapted to growing in a no summer rain, dry climate. If plants
that need summer water are grown in the oak's root zone, the trees
may eventually develop oak root fungus. (This is not always true with
nursery grown trees that have grown up with watering). The best
thing to grow under native oaks here is either nothing, or other dry
adapted native plants.
Emilie
NorCal