🍎 Blackberry

Nitrogen fixer; excellent pollinator attractor; winter-kills in cold zones creating natural mulch

Chop-and-drop potassium source; thick root barrier prevents blackberry spread into unwanted areas

Deters aphids and spider mites; antifungal benefits reduce cane diseases

Repels cabbage moths and flea beetles; attracts bees; compact growth fits between rows

Universal companion

Aphid trap crop; groundcover suppresses weeds under canes; edible flowers IMPORTANT management caveat: without active management, nasturtiums can become a SOURCE of aphids that migrate to nearby crops. Either remove aphid-infested nasturtium plants promptly, or treat the trap crop itself to eliminate the aphid colony before it spreads. Strategic placement within 4-5 feet of protected crops is key.

Powerful repellent for blackberry mites and Japanese beetles; plant at row ends

Attracts predatory wasps and hoverflies; improves soil mineral content