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2026-10-15 08:38 UTC → 2026-10-19 02:52 UTC ·
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Hanoi to reduce consult residents on milkwood pine density to manage scents management
The Hanoi Department of Construction’s Technical Infrastructure Management Center previously clarified that there were no immediate plans to prune or relocate milkwood pine trees, noting that any changes would require formal plans and public consultation. Following reports of physical discomfort—including headaches, nausea, and dizziness—Hanoi authorities are now reviewing the density of these trees. Medical experts have noted that while the intense scent is distinct from poisoning or pollen allergies, it can irritate the trigeminal nerve and cause respiratory discomfort in sensitive individuals. In response, the Department of Construction has been tasked with assessing streets where high concentrations of milkwood pine may be negatively affecting living conditions. While officials maintain that no immediate relocation is underway without further approval, some reports suggest a potential long-term strategy to gradually replace high-density plantings with other species over the next three to seven years to improve the urban environment. As of October 2026, Hanoi authorities are implementing specific measures to manage the density of the Alstonia scholaris milkwood pine (Alstonia scholaris) trees following widespread resident complaints. complaints regarding intense scents. To mitigate the scent intensity in the immediate term, discomfort for sensitive groups, such as those with asthma or migraines, officials have directed the pruning of flower clusters in critical areas near hospitals, schools, and residential zones. This approach aims To address long-term concerns, the Hanoi Department of Construction’s Technical Infrastructure Management Center is launching a public consultation process. Rather than pursuing mass relocation, the city intends to reduce discomfort for sensitive groups, such as those evaluate locations individually to balance public health with asthma or migraines, without harming the trees' health. preservation of urban identity. Residents will be surveyed to determine preferred management options, which include maintaining trees as they are, continuing regular care, selective pruning of flower clusters, or relocating specific trees to more suitable areas. While the fragrance remains a cultural symbol of Hanoi’s autumn, some residents have resorted to using air purifiers or spraying water on trees to lessen the smell. The city continues to work toward a multi-year plan strategy that may include replacing high-density plantings with alternative species over the next three to balance seven years to improve urban greenery preservation with public health standards. living conditions.