Heartleaf Nettle (Urtica chamaedryoides) is a native Florida landscape weed. This species has only recently become problematic in Florida landscapes. With stinging hairs, heartleaf nettle can cause respiratory issues and is toxic to livestock. 

• Scientific Name: Urtica chamaedryoides 
• Common Name: Heartleaf nettle; Dwarf stinging nettle; Heart-leaf stinging nettle; Heartleaf nettle
• Seasonality: Cool
• Soil Type: Wet to dry
• Toxicity: Hazardous to humans, livestock, and pets; stinging hairs
• Plant Growth: Annual
• Fireweed (Heartleaf Nettle) Control in Pastures

• Relevant Resources

  UF/IFAS Extension Publication: Fireweed (Heartleaf Nettle) Control in Pastures

  North Carolina Extension Gardener Plant Toolbox: Dwarf Stinging Nettle

  USDA Plants Profile Urtica chamaedryoides