Leitrim Environmental Network Hosts Informative Event on Invasive Plants and Their Management

An enlightening talk and practical workshop on invasive plant species was held on Sunday, June 23 at Ballinaglera Community Hall. The event, organised by the Leitrim Environmental Network, featured renowned arboriculturist Shailagh Healy from Woodland Wonders.

Shailagh provided an in-depth discussion on the pervasive issue of invasive plant species in Ireland, focusing on their ecological impact, medicinal properties, and methods for effective management.

During her talk, Shailagh highlighted several prominent invasive species, including Himalayan Balsam, Japanese Knotweed, and Rhododendron ponticum. These plants, initially introduced as ornamental garden species, have since proliferated uncontrollably, threatening native flora and altering ecosystems.

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Key Points from the Talk:

• Ecological Impact: Invasive plants like Himalayan Balsam can dominate riverbanks due to their ability to germinate in water and establish with a minimal root system. This not only displaces native species but also destabilises soil and disrupts local biodiversity.

• Medicinal Properties and Pollinator Possibilities: Despite their invasive nature, some of these plants have medicinal properties and can serve as resources for pollinators. However, Shailagh noted the toxicity of Rhododendrons to honey bees, highlighting the complex nature of managing these species.

• Soil Impact: The presence of invasive species can alter soil composition and health, further impacting native plant communities.

Following the informative session, attendees participated in a hands-on "Balsam Bashing" activity. Under Shailagh's guidance, the group learned to identify and remove Himalayan Balsam effectively.

Emphasis was placed on the timing of removal and proper disposal to prevent further spread. The practical session took place near the Yellow River in Ballinaglera, where participants helped clear an area of this invasive species.

The Leitrim Environmental Network extends its gratitude to Rebeccah Cogan, Leitrim’s Biodiversity Officer, for her support of the event, and to Good Energies Alliance Ireland (GEAI) for hosting at the community hall. The event was made possible with support from Leitrim County Council, the NPWS, The Heritage Council, and GEAI Ireland.

This event highlighted the critical importance of community involvement in managing invasive species and protecting local biodiversity. The Leitrim Environmental Network looks forward to continued efforts in safeguarding Ireland’s natural heritage.

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Leitrim Environmental Network is a free membership network open to anyone interested in the environment, biodiversity and climate change. Please contact leitrimen@gmail.com if you would like to be added to the mailing list.