Some plants that are being widely promoted as `honeybee friendly' may in contrast harm them, the Friends of the Earth's latest report warned.
The report said some of the so-called bee-friendly plants contain pesticides that can harm and even kill honey bees.
According to the findings, more than half (7 of the 13) plants the researchers bought from retailers were tested positive for a class of pesticides called neonicotinoids, which harms bees by interfering with their ability to navigate.
Mark Emrich, president of Washington State Beekeeper Association, said, "It affects their central nervous system and their ability to charter a course out to forage and back. Sometimes they get lost in the field trying to get to forage or get back to the hive."
Researchers have long been blaming pesticides for the declining number of honey bees across the world.
The report named a number of retailers, including Home Depot, which are offering products that were tested positive for pesticides.
When contacted, Home Depot said it was yet to read the study report. The retailer added that would reach out to the study groups to get more about their findings as well as methodology.
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