The Q&A Archives: Water Needs Of Coastal Live Oak?

Question: How much water does a coastal live oak need the first year?

Answer: These oaks are native to the coastal ranges and once established can thrive with minimal water. However, for the first growing season, keep the root zone somewhat moist to encourage a strong root system. Make sure water penetrates to about 18 inches deep the first year, gradually increasing to three feet deep as the tree matures. Water should be applied at the edge of the dripline, or where the canopy reaches, as this is where the feeder roots are located. Expand this watering area outward as the tree grows.

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