National Invasive Species Awareness Week

National Invasive Species Awareness Week, also known as National Invasive Weeds Awareness Week, NIWAW, and NISAW, is observed next on Monday, February 24th, 2025. It was observed for 5 days starting the last Monday in February from 2000 until 2005. It was observed for 6 days starting the last Sunday in February from 2006 until 2009. It was observed for 5 days starting on January 10th in 2010. It was observed for 5 days starting on February 28th in 2011. It was observed for 7 days starting on February 26th in 2012. It was observed for 6 days starting on March 3rd in 2013. It was observed for 6 days starting on February 23rd in 2014. It was observed for 7 days starting on February 22nd in 2015. It was observed for 7 days starting on February 21st in 2016. It has been observed for 5 days starting the last Monday in February since 2017.

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