Answer: It's important to water deeply, slowly and usually infrequently. It's difficult to say "how much to water" since soil conditions, weather, your microclimate, irrigation system, etc. all play a part. With a newly installed tree, you should probably water once a week, and make sure the water penetrates 2-3 feet deep out to where the root zone is expanding. Use a pointed stick or piece of metal to push in the soil. It will move easily through moist soil and stop at dry soil. When cooler weather arrives you should be able to water your palms only once every week. At least once a month, water deeply enough to "leach" or push salts well below the root zone. Frequent, light "sprinklings" or short time spans with drip irrigation, allow salts to accumulate in the top layers of soil, where the roots are, which is bad news. Similar symptoms occur when too much fertilizer has been applied. I hope this information helps!
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