In progress. This page will continually be updated.
http://ag.umass.edu/vegetable/publications/guides
https://www.almanac.com/content/companion-planting-guide
http://www.unclelukes.com/companion-planting/companion-planting-chart
http://nevegetable.org/
https://www.emeraldnecklace.org/
https://hudsonvalleyseed.com/blog/grow-how-tomato-clinic/?utm_source=Hudson+Valley+Seed+Company+E-Mail+List&utm_campaign=b88482345c-EMAIL_CAMPAIGN_2018_01_10_COPY_01&utm_medium=email&utm_term=0_bb3d09aa7e-b88482345c-186782405