Quote:
Originally Posted by 784caroline
Then a good helping of Manganese Sulphate every few months will cure the "Frizzle Leaf" and keep the palm green. It's available at every garden supply store in 20 lb. bags. Please note that if you sprinkle it on landscaping stones, it'll turn them an unsightly black (it's NOT from the seeds, 784caroline). And it doesn't wash off
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I am almost certain the "black" is comming form the seed pods (which are dark in color dropping on the grass and river rock) and in turn are starting to degenerate and split apart and start to get mushy. They are a mess to deal with!
How would you apply the fertilizer to a palm if you have river rock and you do not wnat it to turn black??
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Answer 1: You may be right, so I stand corrected. I never let the seeds fall, I cut the pods off before it opens (virtually explodes!). So I never see decomposing seeds. In your case, try a power washer on your rocks, to see if that'll clean them up. Then try and stay ahead of the tree's reproduction cycles!
Answer 2: Rake back the rock to reveal the weed membrane, apply the nutrient in four places around the tree (N-E-S-W 1 foot from the trunk), apply a second small layer of weed membrane over the chemicals, then neatly recover the second membrane with the rocks. In 3 months, try to find the same 4 spots. The object is to keep the manganese from touching the rocks. If your rocks are dark gray or salt and pepper colored, doesn't matter that much; they'll just get darker. If they're white or pink, better keep them away from the "vitamins". Tough job, I know. Just my "hands and knees" approach.
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