Pennsylvania everlasting (Gamochaeta pensylvanica) is a landscape weed native to South America and a member of the sunflower family. This species prefers moist soils and waste areas and is primarily found in the southern United States.
- Scientific Name: Gamochaeta pensylvanica
- Common Name: Pennsylvania everlasting; Pennsylvania cudweed
- Seasonality: Winter
- Soil Type: Wet to dry but moist preferred
- Toxicity: Non-toxic
- Plant Growth: Winter annual