Following are some helpful and/or interesting resources about seed germination, including some with advice on germinating old seeds (10, 12,15, or even some 70 year old seeds!).
Norman C. Deno’s Germination Theory and Practice: “Based on experiments on 145 families and 805 genera and about 4000 species.”
These publications are now in the public domain, so you can download the PDF file for each.
- Seed germination theory and practice (Second Edition – 1993)
- First supplement to the second edition of Seed germination theory and practice (1996)
- Second supplement to Seed germination theory and practice:(1998)
- The Seed Site, located in the U.K. (http://theseedsite.co.uk), has a nice synopsis about the Second Edition–an easily read overview of the chapters in Deno’s extensive work: http://theseedsite.co.uk/normdeno.html