1. a tall North American plant with purple or white flowers that grows in fields and along roadsides
Usage: botanical

Examples

• The purple ironweed bloomed along the highway in late summer.
• Butterflies were attracted to the tall ironweed plants in the meadow.
• The farmer cleared the field of ironweed before planting crops.
• Ironweed can grow up to six feet tall in favorable conditions.
• The botanist identified several species of ironweed in the prairie.
• Native ironweed provides important habitat for pollinators.