identification - What is this plant with spikes on its stem and leaves and is over 3 feet tall? - Gardening & Landscaping Stack Exchange

The attached photo of a weed or plant is one of two that is growing in the spare ground beside our house.We have lived here for 33 years and this has never appeared before. It has spikes on the ste

identification - What is this plant with spikes on its stem and

identification - What is this plant with spikes on its stem and