Ambrosia trifida
Great Ragweed, Bitterweed, Bloodweed, Buffalo Weed, Horse Cane, Giant Ragweed
Family: Asteraceae Aster
| Type | Annual |
| USDA Hardiness range | n/a |
| Exposure | Partial shade to full sun |
| Bloom color | Green |
| Bloom time | Mid Summer to Mid Fall |
| Water needs | Dry to moist |
| Height | 12" to 36" / 30cm to 90cm |
| Spread | 12" to 36" / 30cm to 90cm |
| Growth rate | Moderate |
| Persistence | Deciduous, broadleaf |
| Leaf color | Green |
| Fruit color | n/a |
| Soil type | Sandy, clay, loamy |
| Form | Upright or erect |
| Attributes and features | Native to North America |