June 2016: Poison Hemlock (Conium maculatum)
Here’s an archive of our Invasive Species of the Month series:
- June 2016 – Poison Hemlock
- July 2016 – Common Teasel
- August 2016 – Common Reed
- September 2016 – Sweet Autumn Clematis
- October 2016 – Japanese Stiltgrass
- November 2016 – Burning Bush
- December 2016 – Wintercreeper
- January 2017 – Tree of Heaven
- February 2017 – Garlic Mustard
- March 2017 – Callery Pear
- April 2017 – Periwinkle
- May 2017 – Multiflora Rose
- June 2017 – Wild Parsnip
- July 2017 – Japanese Knotweed
- August 2017 – Japanese Hops
- September 2017 – Beefsteak Plant
- October 2017 – Chinese Silver Grass
- November 2017 – Oriental Bittersweet
- December 2017 – English Ivy
- January 2018 – Japanese Honeysuckle
- February 2018 – Star-of-Bethlehem
- March 2018 – Border Privet
- April 2018 – Bull Thistle
- May 2018 – Ground Ivy
- June 2018 – Moneywort
- July 2018 – Mimosa
- August 2018 – Norway Maple
- September 2018 – Ravenna Grass
- October 2018 – Amur Honeysuckle
- November 2018 – Japanese Barberry
- December 2018 – Japanese Chaff Flower
- January 2019 – Yellow Groove Bamboo
- February 2019 – Siberian Elm
- March 2019 – Autumn Olive
- April 2019 – Musk Thistle
- May/June 2019 – White Mulberry
- July 2019 – Japanese Hedge Parsley
- August 2019 – Kudzu
- September 2019 – Bicolor Lespedeza
- October 2019 – Oriental Lady’s Thumb
- November 2019 – Princess Tree
- December 2019 – Jetbead
- January 2020 – Reed Canary Grass
- February 2020 – Lesser Celandine
- August 2021 – Chinese Yam
- September 2022 – Small Carpetgrass
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