Companion planting
Friendly neighbors and a few combinations to give extra space. Pairs with What can I grow? when you are sketching beds. For fallow gaps and soil recovery, see cover crops.
Type
Crop focus
Benefit
- Pole beans & corn (three sisters lite)Pair
Sweet corn · Pole beans
Beans can climb corn after corn is knee-high; beans fix little N for the same-year corn crop, but roots loosen soil around the stalk.
- Avoid: fresh allium row next to beans/peasAvoid
Onions / garlic (active row) · Beans or peas
Folk guidance plus some field experience: very close alliums can slow legumes for unclear reasons—separate rows or time succession so peaks do not overlap.