Garlic Companion Plants

Claim. Garlic and peas are traditionally listed as incompatible. No evidence found; garlic is lifted in early summer as peas finish, so they rarely overlap for long anyway.

Mechanism. Claimed by tradition; no harmful interaction demonstrated.

Conditions. Planted together Both plants must be present at the same time.

Applies when. The planner does not separate these plants on this claim; it evaluates space, light, water and timing normally.

Limitations. Minimal overlap in time.

Evidence. Tier D: Traditional knowledge or structured community observations without a controlled comparison. (tradition).

Sources. University of Minnesota Extension 2023

Reviewed August 15, 2026 by Garden Planner editorial team (pending independent horticultural review). Record garlic--peas--flavor_or_growth v1. Request a correction.

Claim. Garlic is said to repel aphids and spider mites from tomatoes. No controlled evidence for interplanted garlic found. Garlic is in the bed from autumn to early summer, so overlap with tomatoes is short.

Mechanism. Proposed by tradition; not demonstrated in a controlled comparison.

Conditions. Planted together Both plants must be present at the same time.

Applies when. Optional experiment, not a guarantee.

Limitations. Timing overlap is limited; garlic is lifted as tomatoes establish.

Evidence. Tier D: Traditional knowledge or structured community observations without a controlled comparison. (tradition).

Sources. University of Minnesota Extension 2023

Reviewed August 15, 2026 by Garden Planner editorial team (pending independent horticultural review). Record garlic--tomato--pest_suppression v1. Request a correction.

Claim. We did not find a source that establishes a benefit or harm between raspberry and garlic.

Mechanism. None documented.

Conditions. Planted together Both plants must be present at the same time.

Applies when. The planner evaluates spacing, light, water and timing normally.

Limitations. Sometimes recommended; no evidence found.

Evidence. Unknown: No source meeting the inclusion rules. (none).

Sources. University of Minnesota Extension 2023

Reviewed August 15, 2026 by Garden Planner editorial team (pending independent horticultural review). Record raspberry--garlic--other v1. Request a correction.

Claim. We did not find a source that establishes a benefit or harm between garlic and strawberry.

Mechanism. None documented.

Conditions. Planted together Both plants must be present at the same time.

Applies when. The planner evaluates spacing, light, water and timing normally.

Limitations. Garlic interplanted with strawberries is sometimes recommended; no usable evidence was found.

Evidence. Unknown: No source meeting the inclusion rules. (none).

Sources. University of Minnesota Extension 2023

Reviewed August 15, 2026 by Garden Planner editorial team (pending independent horticultural review). Record garlic--strawberry--other v1. Request a correction.