Tradition vs. evidence

Every pair of 44 garden plants, twice. Above the diagonal: what companion-planting charts say. Below: what studies and field trials found.

Pairs click a number to focus on it

Settings

Include group rules Tradition entries inherited from a whole plant group, not a specific pair. Show same-family caution Purple cells below the diagonal: relatives share pests, no study needed. Research relevance at least 80% Papers are auto-classified, not human-reviewed. A higher threshold keeps only the most on-topic ones.