See my <http://www.rossde.com/garden/garden_oak_acorn.html . You
should keep it in a container for about 2-3 years. Move it to a
larger container in the spring, just as the leaf buds start to
Since you live in an climate with rainy summers, you don't have to
prune the taproot. Your native oaks are already adapted to summer
watering. However, don't let the seedling become potbound with a
taproot that winds around and around. Keep moving it up to larger
You can set it into the ground when the trunk is about the
thickness of your index finger. By then, it is no longer a
seedling. It's a sapling.
David E. Ross
Climate: California Mediterranean
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