About Kohlrabi
Kohlrabi is a heavy-feeding crucifer that attracts cabbage white butterfly. Aromatic herbs, trap crops, and careful spacing reduce pest pressure without overcrowding.
Autumn–spring plantings suit most NZ regions; summer crops need shade and steady moisture.
Good companions
Plants that pair well with Kohlrabi — tap for their guides. Cited sources appear where research is linked in the matrix.
Listed as beneficial in the matrix — open the grid for full context.
BeetListed as beneficial in the matrix — open the grid for full context.
CucumberListed as beneficial in the matrix — open the grid for full context.
LettuceListed as beneficial in the matrix — open the grid for full context.
RadishListed as beneficial in the matrix — open the grid for full context.
MintListed as beneficial in the matrix — open the grid for full context.
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.
Sweet PepperListed as incompatible in the matrix — open the grid for full context.
TomatoListed 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.
Cherry TomatoListed as incompatible in the matrix — open the grid for full context.
Growing tips
- Net against white butterfly in spring and autumn.
- Interplant dill or nasturtiums at row ends as beneficial-insect magnets.
- Lime acidic soils; avoid planting too many brassicas in one block.
Use the compatibility matrix
Filter to Kohlrabi to see green (beneficial), red (incompatible), and grey (neutral) for every pair among 162 plants. Desktop: hover cells. Mobile: tap for details.