Perennial sowthistle (Sonchus arvensis)
Description: Perennial sowthistle is a herbaceous perennial with prickly-toothed leaves and erect stems up to 5' in height.
Life Cycle: perennial with creeping root system
Habitat: Roadsides, waste areas. Prefers slightly alkaline to neutral, fine textured, rich soils.
Leaves: Alternate, blue-green with prickly-toothed margins. Deeply lobed, 4"-8" in length.
Stems: smooth
Flower: Bright yellow to yellow orange clustered flowers resembling dandelion.
Fruit: wind-dispersed seeds.Â
Root: Deep taproot with rhizomes.
The problem is…perennial sowthistle may cause reduced crop yields and increases costs of cultivation.
