Hi Emma Rose,
You asked for it, so here are some links. I hope you find this helpful. I haven’t written anything really at Medium about Permaculture yet.

https://discover.hubpages.com/living/In-Search-of-Self-sufficiency

https://discover.hubpages.com/education/Permaculture-the-Basics


https://discover.hubpages.com/living/Companion-Planting-in-the-Garden-Good-and-Bad-Neighbours