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Organic mulch should not result in plant loss for any reason, unless the mulch is applied too thickly up against the crown or stem of an herbaceous plant. My experience with cocoa bean hulls is that a very young/small annual can succumb to rot if that happens; I assume that the same issue would occur with rice hulls (cocoa bean hulls go through a period of ...


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It looks like your orchid may have pyllosticta leaf-spot fungus. It is commonly seen on dendrobiums in warm climates, like yours. If you have other orchids, you should remove the infected one away, as it is easily spread. Since I don't have direct experience with orchids, I don't want to recommend a specific cure, but there are a number of fungicides you can ...


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