Does best on mostly moist or fertile soils. Roots can penetrate hard soils. Tolerates pH ranges from 4.5-8.0 and grows vigorously on alkaline soils. Reproduction Perennial grass, reproduces by seeds or rhizomes. Flowers late May to September.
Seeds germinate in fall or spring.
Capable of producing viable seed more than once per season. Quackgrass is self-sterile which results in reduced amounts of viable seed. However, this does not affect local abundance due to ability to reproduce vegetatively. Competition Following disturbance, an abundance of shoots are reproduced from root fragments. An aggressive weed that quickly crowds out desirable plants.