Environmental Controlling Ragweed Pollen in Detroit: A No-mow Solution for Motown? by Gary Kopycinski on June 17, 2014 Gary Kopycinski Author More in Environmental: People Outside Will Be Injured: Severe Thunderstorms Strike Park Forest March 31, 2026 Park Forest Officials Urge Residents to Protect Pipes as Coldest Air of the Season Continues December 14, 2025 Park Forest Workshops Join Global Effort to Prevent Bird Collisions August 21, 2025 ANN ARBOR–(ENEWSPF)–June 17, 2014. When it comes to controlling hay fever-triggering ragweed plants on Detroit vacant lots, occasional mowing is worse than no mowing at all, and promoting reforestation might be the best solution.