2023

• A Minimal Till (2023)
• The Wizard Era (2023)

2022

• How To Grow Yourself Some Lettuce Seed (2022)
• Tools and Materials for Keeping Your Own Seed (2022)

2021

• Chepenafa (2021)

2020

• What I Like About Lettuce (2020)
• On Lettuce Breeding (2020)

2019

• In Times of Trouble, I Turn To Compost (2019)
• Sir Albert Howard and the Applications of Compost (2019)

2018

• So I Bought Some Seed—What Can I Do With It? (2018)

2017

• Civil Disobedience in The Garden (2017)
• Walking Through The Garden (2017)
• Quinoa Is Coming (2017)

2016

• Prepare To Consider the CRISPR (2016)
• The Open Source Seed Initiative Reseeds (2016)
• Seed Matters: The Clif Family Foundation puts its money behind organic plant breeding (2016)

2015

• The Open Source Seed Initiative (2015)

2014

• How I Became A Plant Breeder (2014)

2013

• Plant Patents on Common Vegetables (2013)
• Biology Defies the Nature of Patents (2013)

• An Organic System of Seed (2007)
• Where Do New Seeds Come From (2007)

Essay Collections