Japanese Knotweed Hotspots in Gloucestershire for 2025 Reveal Hundreds of Sightings Sunday, July 27, 2025 japaneseknotweed invasivespecies gloucestershire hotspots environet property identification treatment environment defra As the Japanese knotweed growing season gains momentum, invasive plant specialist Environet has released the latest hotspot map for Gloucestershire in 2025. According to updated data, there have been 628 confirmed sightings … Read More