Great Ragweed
Ambrosia trifida
Overview
Great Ragweed (Ambrosia trifida) is a tall annual herb found throughout most of North America. Growing up to 12 feet (3.7 m) tall, this plant has sharply toothed, ovate leaves and yellow-green flowers. Its flowers yield to fruits, each containing numerous seeds. Great Ragweed is primarily found in disturbed habitats such as riparian woodlands, roadsides, and fields. Its thick foliage provides cover to wildlife and helps with soil stabilization, though it can also be invasive and cause skin irritation for some individuals.
Care Guide
Watering
Average — every "7-10" days.
Light
Sun, Partial Shade.
Soil
Clay, Sand, Loam
Pruning
Best pruned in August, May.
Propagation
Seed Propagation, Cutting, Division, Layering Propagation
Uses & Symbolism
Attracts: Bees, Other Showy Insects.
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