Ragweed (Ambrosia artemisiifolia) is a common landscape weed native to North and Central America that has spread worldwide. Ragweed is notorious for producing highly allergenic pollen with peak season being July to November. This weed has caused significant economic impacts on agriculture around the world.

• Scientific Name: Ambrosia artemisiifolia
• Common Name: Ragweed
• Seasonality: Warm
• Soil Type: Dry
• Toxicity: Toxic, highly allergenic
• Plant Growth: Upright, branching annual
• Biology and Control of Common Ragweed along Ditch and Canal Banks

• Relevant Resources

  USDA Plants Profile Ambrosia artemisiifolia L.

  UF/IFAS Extension Publication: Biology and Control of Common Ragweed along Ditch and Canal Banks