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Garlic Chives Companion Planting

Allium tuberosum

Allium (Amaryllidaceae) -- both season

1 beneficial companion
1 antagonistic relationship

Good Companions for Garlic Chives

CarrotDaucus carota subsp. sativus
BeneficialPest SuppressionSupported

Garlic chives (Allium tuberosum) emit allyl sulfide compounds that deter carrot fly. Functions identically to regular chives and garlic for Apiaceae pest suppression.

Garlic chives are perennial -- plant as a permanent border near carrot beds.

Sources
  • Volatile compounds from Allium spp. affecting insect behavior -- Phytochemistry (2004)

Crops to Avoid Near Garlic Chives

Bush BeanPhaseolus vulgaris
AntagonisticAllelopathySupported

Garlic chives produce the same organosulfur compounds as other alliums that inhibit Rhizobium nitrogen-fixing bacteria in legume root nodules.

Same allium-legume antagonism. Keep garlic chives away from beans and peas.

Sources
  • Allelopathic effects of Allium species on legume Rhizobium symbiosis -- Plant and Soil (1996)