Cold stratification requirements for germination of Alliaria petiolata

S. Raghu, Susan L. Post

Research output: Contribution to journalArticlepeer-review


Garlic mustard is among the most important invasive weeds of North American eastern deciduous forests. Investigations of the mechanisms that enable its success as an invader require a simple method to propagate this weed in the laboratory and the greenhouse; we develop such a method in this study. Cold treatment (24-h dark cycle; maximum 6 C, minimum - 1 C) for at least 100 d on a moist organic mix, followed by incubation at temperatures approximating spring (maximum 15 C, minimum 6 C), results in close to 100% germination. The information presented here will be valuable in studies requiring a steady supply of garlic mustard plants for experimentation and for the mass rearing of biological control agents.

Original languageEnglish (US)
Pages (from-to)315-318
Number of pages4
JournalInvasive Plant Science and Management
Issue number3
StatePublished - Jul 2008


  • INHS
  • Dormancy
  • Germination ecology
  • Cold stratification
  • Garlic mustard
  • Alliaria petiolata

ASJC Scopus subject areas

  • Plant Science


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