Organic Spinach Seed Production Manual

This guide includes basic instructions needed for on-farm organic spinach seed production. Topics include basic spinach seed biology, climatic requirements, soil fertility requirements, planting and cultivation, flowering and pollination, isolation requirements, genetic maintenance and improvement, harvesting, and common diseases.




  • Formiga, A., V. Joshi, M. Colley. 2023. Challenges in the market for organic spinach seed. eOrganic article. Available at

  • Joshi, V., Shi, A.K. Mishra, H. Gill, J. DiPiazza. 2022. Genetic dissection of nitrogen induced changes in the shoot and root biomass of spinach. Scientific Reports. 2022 Aug 12;12(1):13751. doi: 10.1038/s41598-022-18134-7. PMID: 35962022; PMCID: PMC9374745. Available at