Quote:
Originally Posted by Dalmatiansoap
Was that also Zahidi? They are one of the best looking Dactyliferas IMO. Any pictures of them?
Whats the fert resolution for them?
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Zahidi are available here in the wholesale nursery trade. They are often planted in date orchards.
Palms do not tolerate high amounts of phosphate. Wholesale growers who raise palms for orchard sales typically feed their plants a citrus formula such as 30-10-20 or 28-8-18 until they are large enough to sell. A standard dosage is 1/4 teaspoon (1.25 cc) per gallon of water in continuous feed; i.e., the fertilizer is always in the water irrigation water to the plants.
However, date orchards and collectors of ornamental palms (including botanical gardens) do not want rapid growth. Here is the formula they use:
Major Nutrients (% by weight):
Nitrogen 18.0%, Phosphate 6.0%, Potash 18.0%
Nitrogen components: Ammoniacal 7.0%, Nitrate 11.0%.
Secondary and Micro Nutrients:
Boron 0.02%, Copper 0.05%, Iron 0.25%, Manganese 0.065%, Magnesium 1.1%, Molybdenum 0.0005%, Sulfur 1.5%, Zinc 0.05%.
Botanical gardens and palm collectors use about 0.4 lbs per plant per year. Date orchards will use 1 teaspoons (5 cc) per 5 gallons of water in continuous feed during the active growing season.