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Coconut palm question

16 years ago

I have a coconut palm somewhere between 1 1/2 year or just over that, and it looks ok to me. However, it doesn't look as green as when I first got it a year and 3 months ago. How green should one be in a hot/dry california climate where summer highs get over 100f alot and humidity levels between 5-33%? I do use a palm fertilizer and water frequently. Only things I can guess is maybe its still being sun burned or thats just normal for conditions, which is what I think. I can post a pic if that would help. Thanks- US_Marine

Comments (6)

  • 16 years ago

    Is it in the ground or a pot?
    And yes, an image might help.

  • 16 years ago

    Here's the pic:

    {{gwi:541033}}

    All fronds you see are california grown.

  • 16 years ago

    It looks fairly typical for the conditions you describe. They just don't like our climate. I've never tried growing one, but I would bet it would appreciate some light shading during the hottest part of the day and the warmest place you can find for it during the winter months. No matter how much water you give it, if the plant senses it's losing moisture too rapidly, it will close its stomates. Basically the plant is trading off water loss for overheating and photorespiration (under normal growing conditions, plants produce far more oxygen than their cells can consume and when oxygen levels get too high, the enzyme responsible for photosynthesis starts reacting with oxygen instead of carbon dioxide).

    Ryan

  • 16 years ago

    YOur palm seems healthy enough right now. Sadly this is a species that you will need to keep indoors in winter, and even then, most succumb in California. Heat is not really a big problem nor is low humidity (though that is a bigger problem than heat)... your fronds may burn badly in hot, dry sun... best to do morning sun only first few months. If you have a greenhouse, these will do pretty well in there (though usually outgrow most in a few years). Fertilizer is not a big need for most potted palms, and overfertilization is a lot more common than the other way around. Indoors the lack of light IS a big problem, and the lack of humidity combined with lack of heat can make some look sad, not to mention becoming bug magnets. Some manage to juggle the seasons and light/humidity/heat requirements and get them to survive as in/out house/outdoor potted plants for 5 or more years... but eventually you may have to look for a replacement. There are about 400 or more other species of palms a lot better suited to your climate.

  • 16 years ago

    Thanks everyone for all your input.
    Eventually this palm is going to be put in ground with a sand/ palm mix ratio of about 55:45, or 60:40 when i find a good micro-climate. Yeah, I know they don't survive the winter here ( except the one in newport beach, CA), so I am going to protect them during winter. However, I want them to be outside and unprotected as long as possible. They would be interesting palm's to my landscape, exspecially if they fruit. That will probably not happen, but its worth a try.
    I already have one planted on a south facing brick wall that is slightly uphill. It also has a giant decidous tree that blocks the hottest part of day but allows winter light through. It was the best micro-climate I could find.

  • 16 years ago

    It looks like the leaves might have a bit of yellow tinge. I have read that it might be a sign of magnesium deficiency in palms.

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