Ironweed is a tall, robust perennial that brings late-season color and drama to the garden. Growing up to 6 to 8 feet tall, Ironweed is known for its clusters of deep purple flowers that bloom ...

The plants come up from rhizomes, and they produce roughly hairy stems up to 6 feet tall, often leaning over. The leaves are opposite, that is, 2 at a time, with a short stalk, ...

SEATTLE — Few flowering perennials can match the elegance and beauty of Delphinium. Although there are varieties that grow to anywhere from 2 to 6 feet tall, the queen of this royal family of ...