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    Mid-Florida Research and Education Center

    Mid-Florida Research and Education Center

    Ambrosia artemisiifolia

    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

    Close-up of Ambrosia artemisiifolia with elongated flower spikes and narrow leaves.

    Photos of Ambrosia artemisiifolia

    Ambrosia artemisiifolia seedling with feathery leaves growing among coarse brown and gray bark mulch.
    Close-up of Ambrosia artemisiifolia flowers with greenbuds on slender stems.
    Dense green bushy plants with slender stems and narrow leaves in a natural setting.
    Close-up of Ambrosia artemisiifolia with jagged leaves and small buds.

     

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