The seedling stage of Purple dead-nettle in September and when it is most sensitive to being controlled by effective herbicides.
Purple dead-nettle (Lamium purpureum) in a winter wheat field during mid May.
Purple dead-nettle (lamium purpureum) flowering at the beginning of May in a winter wheat field.
A patch of purple deadnettle in Haldimand county during mid-May
Purple dead-nettle beginning to flower in April