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Description: Very appropriately named. Showy inflorescences atop tall, sturdy stems; large, lance-shaped leaves. Best suited for moist sites. Attractive to butterflies.
Lifespan: Perennial; occasionally a short-lived perennial
Light exposure: Full sun to light shade
Bloom color: Purple
Bloom season: Summer to mid-fall
Height (in bloom): 3 to 9 feet
Habitat: Mesic to moist pinelands, hammocks, wooded edges and disturbed areas
Each packet covers 10 square feet.
Read the Florida Wildflower Foundation's profile of Giant ironweed.