Pampas Grass Ban: France Tackles Invasive Species

Once a favorite among interior designers for its elegant plumes, pampas grass (Cortaderia selloana) has grow a prohibited plant in France. Municipalities are now actively working to eliminate its spread, recognizing the ecological damage caused by this invasive species.

Why is Pampas Grass Problematic?

Pampas grass, native to South America, has become an invasive alien species in several regions, including France. Its aggressive growth and prolific seed production pose a significant threat to local ecosystems. Each plant can produce up to a million seeds, easily dispersed by wind over large areas ¹. This rapid colonization outcompetes native species and disrupts biodiversity, impacting wetlands and roadsides alike.

Beyond its ecological impact, pampas grass pollen and fibers can also trigger allergies in humans ¹.

France’s Response: A Nationwide Ban

Recognizing the severity of the issue, France completely banned pampas grass nationwide with a decree in April 2024 ³. This ban has led to widespread uprooting and cutting campaigns organized by municipalities.

Municipal Strategies for Eradication

Cities and towns across France are employing various methods to control the spread of pampas grass:

• Manual Uprooting: Some municipalities, like Saint-Jean-de-Luz, organize volunteer campaigns to manually uproot the plants, carefully bagging the plumes to prevent seed dispersal ¹.
• Inflorescence Cutting: Cities such as Royan are focusing on cutting the flower heads (inflorescences) to limit seed production. This method requires regular repetition to be effective ¹.
• Awareness and Regulation: Municipalities like Lamballe-Armor are educating residents about the dangers of pampas grass and discouraging its planting in private gardens. Regulations are also being implemented to prohibit its sale and planting ¹.

The mayor of Urrugne emphasized the goal isn’t complete eradication, but rather control, focusing on eliminating isolated plants through manual or mechanical uprooting using mini excavators ¹.

Coordinated Efforts for Effective Management

Combating pampas grass requires a collaborative approach. Coordination between municipalities, environmental associations, and citizens is crucial. Transnational projects, such as the LIFE COOP CORTADERIA program, aim to share strategies and resources for effective management of this invasive plant ¹.

By combining manual removal, cutting, and public awareness campaigns, French municipalities are working to protect local biodiversity from the threat of pampas grass. Those who currently have pampas grass at home should be aware of the regulations and consider its removal.

In Brief

• Since April 2024, pampas grass has been banned in France due to its invasive nature ³.
• Some French municipalities organize uprooting and cutting campaigns to limit the spread of this plant ¹.
• Coordinated efforts are underway to protect biodiversity in the face of this plant threat ¹.