Can you plant dill and cucumbers together?

Charts say yes. Nobody has tested dill with cucumbers, as far as we could find.

Why we can't give a firm answer

Garden charts recommend it. 2 garden chart entries recommend growing them together. Charts pass on gardening tradition; they are not tests.
Companion Plants (Alabama Cooperative Extension System)

What to plant with dill and cucumbers

Good neighbours of both, best tested first.

LettuceWith dill: Recommended by garden charts, not testedWith cucumbers: 35% more harvest
BeanWith dill: Fewer pestsWith cucumbers: 14% more harvest
OnionWith dill: Draws in pest-eating insectsWith cucumbers: Helpful plant chemistry
Sweet cornWith dill: Recommended by garden charts, not testedWith cucumbers: Fewer pests

How each one was tested, with the evidence

What to keep away from dill and cucumbers

CarrotWith dill: Garden charts advise against it, not tested
PotatoWith cucumbers: Garden charts advise against it, not tested

The evidence in detail

For readers who want to dig in: every chart entry, study and yield trial behind the answer above, with the numbers.

Tradition, research and yield trials

Tradition

Good

avoidgood

2 chart entries: 2 recommend, 0 advise against.

All entries cite a source.

Research

No papers found on this pair.

Yield trial

No intercropping yield trial.

Untested folklore

Companion plants for both dill and cucumbers

Plants that are good neighbours of each. Biggest harvest gain first; each cell links to the evidence for that pair.

Plant	With dill	With cucumbers
Lettuce	No trial foundNot tested. Charts: recommend.Evidence for dill and lettuce	Fewer pests35% more harvest from the same spaceField trial, 5 studies. Charts: recommend.Evidence for cucumbers and lettuce
Bean	Fewer pests, better soil and nutrient uptake and bigger combined harvestField trial, 5 studies. Charts: not listed.Evidence for dill and beans	14% more harvest from the same spaceField trial, 1 study. Charts: recommend.Evidence for cucumbers and beans
Onion	Draws in pest-eating insectsField trial, 1 study. Charts: recommend.Evidence for dill and onions	Helpful plant chemistry and bigger combined harvestField trial, 3 studies. Charts: recommend.Evidence for cucumbers and onions
Sweet corn	No trial foundNot tested. Charts: recommend.Evidence for dill and corn	Fewer pestsField trial, 1 study. Charts: not listed.Evidence for cucumbers and corn

Harvest from the same space compares a bed with both crops against the same area split into single-crop beds, counting the harvest of both crops (the land equivalent ratio in yield trials).

The evidence, with sources

TraditionGood2 entries

GoodDill helps Cucumber
Cucumber: helped by dill
Companion Plants (Alabama Cooperative Extension System)
GoodDill helps Cucumber
Dill: helps cucumbers
Companion Plants (Alabama Cooperative Extension System)

Plan a bed with dill and cucumbers

All neighbours of dill and of cucumber, or every pair at once in the companion planting chart.

Have you grown dill and cucumbers together?

Tell other gardeners what happened: spacing, pests, harvest, or ask a question. Reader notes are not checked by us and do not change the verdicts on this page.