News & events
Real updates from Swansea Council, local researchers and conservation groups — treatment news, hotspot data and volunteer days across Swansea and West Wales.
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Every item links to its original source so you can read the full story. Dates show when each was published or last confirmed.
New figures from the national knotweed heatmap put Swansea city third in Wales with 936 verified sightings, Llanelli fourth with 693 and Neath sixth with 396. Wales as a whole records more than triple the knotweed density of England — which is why early reporting matters so much here.
Read at Swansea Bay NewsThe council offers a paid treatment service for private land affected by Japanese knotweed, built on more than 20 years of treating its own land. Request a quote online and they aim to respond within 10 working days. Knotweed on council land should be reported to the nature team instead.
Read at Swansea CouncilSwansea Council runs a knotweed updates email list alongside its treatment FAQs — covering what to expect after spraying (die-back in about 14 days), safety around children, pets and ponds, and how repeat treatments over up to five years bring a stand under control.
Read at Swansea CouncilA Pleasant View Terrace homeowner spent over a year trying to get knotweed spreading from a neighbouring property contained. Knotweed crossing a boundary is a private legal matter — documenting it early and getting both owners into a treatment plan is far cheaper than a dispute.
Read at Wales OnlineResearchers tested all 19 main control methods over three years at sites including Swansea. Their conclusion: short-term eradication is not realistic — the honest goal is a sustained control and management plan. Beware any company promising a one-visit miracle.
Read at BBC NewsGet involved
Swansea Council's Nature Recovery and Gower National Landscape teams run monthly task days through autumn and winter, including invasive species removal, tree planting and habitat work. Join their mailing list for dates.
Details at Swansea CouncilThe Wildlife Trust of South and West Wales runs repeated balsam-pulling sessions at Gelli Hir wood on Gower, and West Wales Rivers Trust organises 'balsam blitz' work parties on the Teifi, Tywi and Cleddau with Natural Resources Wales. No experience needed — guidance and tools provided.
Details at Wildlife Trust of South and West WalesThe national Non-native Species Secretariat coordinates a week of events and webinars each May, and local river trusts time their first balsam work parties to coincide. A good moment to learn identification before the growing season peaks.
Details at NNSSReport a sighting and it joins the public map — or check the map to see what has already been found near you.
News items summarise reporting by the linked outlets and councils. Always follow the source link for the full, current story.
