Washingtonia Palm Problem - Please Help!

jax_lexaNovember 10, 2012

Hi,

Our 3 palm trees have been planted for about 3 months. Initially they were tied up for 30 days and didn't look very good. We were convinced that it was from transplant shock. Once we took the ropes off, and trimmed dead branches, the trees look just fine for about 2-3 weeks. We watered first month every day for about 20 min, sprinkler system. Second and third month the sprinklers have been running 3 days a week. I got some palm tree fertilizer (5 lbs. container) and sprinkled at the base of each tree about 2 weeks ago but the trees seem to get worse. I checked the soil and it is moist. I keep reading online that Washingtonians are desert trees and don't need much water. I'm thinking about turning the water off for a week and see the progress. Also, does it look like my trees are over fertilized?

Thanks

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jax_lexa

Some more pics

    Bookmark   November 10, 2012 at 5:32PM
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jax_lexa

more pics

    Bookmark   November 10, 2012 at 5:34PM
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stevea07(7 AL)

The leaves show the results of damaged roots. In your case it would be transplant shock. Your number one priority is getting your trees to grow a new root system. Only focus on the new leaves that are being produced. Blackened leaf tips that later turn to straw color are signs of too much fertilizer in moist soil. Sometimes burnt spots will appear throughout leaves indicating fertilizer burn in drier soils.

Check your soil. It should be slightly moist for ideal root growth, not wet. I recommend Superthrive to help produce secondary root growth quickly.

    Bookmark   November 10, 2012 at 9:41PM
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jax_lexa

Thanks stevea07, how often do you recommend using Superthrive?

    Bookmark   November 10, 2012 at 9:52PM
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stevea07(7 AL)

I recommend drenching each tree with a mix of 5-10 gallons every two weeks until your soil temperature drops below 50F.

    Bookmark   November 10, 2012 at 10:15PM
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jax_lexa

stevea07, Aside from drenching each tree every two weeks, should I turn off sprinkler system completely for the zone with the trees?

    Bookmark   November 11, 2012 at 6:05PM
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stevea07(7 AL)

I think that you should be OK to water by hand held hose or sprinkler once a week since we are now going into the cool season. If you have pure sand, nearly devoid of organic matter under full sun, you may have to water twice per week.

    Bookmark   November 12, 2012 at 12:37AM
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