1. a tall plant with pink or purple flowers that grows quickly in areas that have been burned or cleared

Examples

• Fireweed was the first plant to grow back after the forest fire.
• The hillside was covered with bright purple fireweed blooms.
• Fireweed quickly colonized the cleared construction site.
• Bees love to collect nectar from fireweed flowers.
• The fireweed grew tall along the abandoned railroad tracks.
• After the logging operation, fireweed sprouted throughout the area.