Project 366 – Post No. 168 – Perennial Sow Thistle
What is Project 366? Read more here! The Identification Guide for Alberta Invasive Plants has nearly 90 species listed. Twenty one of the species have yellow flowers. The other flower colours include white, purple, pink, red, green, blue and orange. Today’s invasive plant is the Perennial Sow Thistle (Sonchus arvensis), a member of the sunflower…