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pathogen22 has contributed to 3 posts out of 2325 total posts
(0.13%) in 18 days (0.17 posts per day).
20 Most recent posts:
Both species of Washingtonia, filifera and robusta, are very common palms in the southwest. Washingtonia filifera does not spread as far north as Washingtonia robusta. This palm can be found in southern California and in the inland deserts of southern California.
Kerosine will also do just as well as killing the plant, but you also render the land and soil useless and dead for many many years after the kerosine or diesel has been soaked in.
It is difficult to tell from the pictures that you show, as they are not up close to the leaves, but date palms are famous for having spider mites. It would be no suprise that your date palms are suffering from exactly that. For some plants, it may be easier to control spider mites. But for something such as date palms whos trunks hold so many crevices and gaps, it would be almost impossible to get rid of the spider mites if that is in fact what you have. In nature, these spider mites are subject to the elements. Nature can control these bugs. But when indoors, spider mites are free to thrive and grow exponentially.
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