About Garlic
Garlic releases sulphur compounds that deter many soil and flying pests — a classic companion for carrots and leafy greens. Alliums and legumes are famously poor neighbours in the same row.
Garlic rust is common in humid areas — rotate beds and avoid overcrowding.
Good companions
Plants that pair well with Garlic — tap for their guides. Cited sources appear where research is linked in the matrix.
Garlic may deter red spider mite and some fungal spores when interplanted with tomatoes.
CabbageListed as beneficial in the matrix — open the grid for full context.
BroccoliListed as beneficial in the matrix — open the grid for full context.
Beet Pest controlGarlic may reduce fungal leaf spot on beets when interplanted in well-spaced rows.
Carrot Pest confusionGarlic scent is widely used to confuse carrot root fly — interplant or alternate rows in raised beds.
Sweet PepperListed as beneficial in the matrix — open the grid for full context.
LettuceListed as beneficial in the matrix — open the grid for full context.
SpinachListed as beneficial in the matrix — open the grid for full context.
RhubarbListed as beneficial in the matrix — open the grid for full context.
+ 1 more in the matrix
Avoid planting together
Known poor neighbours — spacing apart or rotating beds reduces shared pest and disease pressure.
Listed as incompatible in the matrix — open the grid for full context.
PeaListed as incompatible in the matrix — open the grid for full context.
AsparagusListed as incompatible in the matrix — open the grid for full context.
SageListed as incompatible in the matrix — open the grid for full context.
LentilListed as incompatible in the matrix — open the grid for full context.
Bean (Pole)Listed as incompatible in the matrix — open the grid for full context.
Fava BeanListed as incompatible in the matrix — open the grid for full context.
Growing tips
- Plant garlic in autumn for mid-summer harvest in most NZ regions.
- Carrot + onion inter-rows remain a kitchen-garden standard.
- Keep alliums away from beans and peas — see incompatible list below.
Use the compatibility matrix
Filter to Garlic to see green (beneficial), red (incompatible), and grey (neutral) for every pair among 162 plants. Desktop: hover cells. Mobile: tap for details.