Chives growing profile.

Chives Companion Plants

What may help, what can compete, and where the evidence is still uncertain.

Chives Allium schoenoprasum

Perennial herb in the onion family. View plant profile →

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Quick answer

No reviewed study supports a specific beneficial companion for chives yet. 2 traditional pairings are listed separately because the review found no adequate evidence.

Every status below has a direction, mechanism, context and source. "No verified relationship" means we looked and found nothing usable; the planner then evaluates spacing, light, water and timing normally. How we classify evidence →

Traditional claim (2)

Never a hard rule; may appear as an optional experiment.

Traditional claims are shown separately because repetition across charts is not evidence. They never change a planner score; treat them as optional experiments.

CarrotDaucus carota subsp. sativusTraditionalPest suppression · carrot rust fly Chives may affect CarrotSpring–Fall · arrangement unspecifiedTier D Review: August 15, 2026

Why?

Claim. Chives and other alliums are said to deter carrot rust fly. The only field evidence is for onions at very high ratios; chives have not been tested.

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. Mesh is the reliable control.

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

Sources. University of Minnesota Extension 2023; Uvah 1984

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

StrawberryFragaria × ananassaTraditionalPest suppression · aphids Chives may affect StrawberryPerennial · arrangement unspecifiedTier D Review: August 15, 2026

Why?

Claim. Chives are said to deter aphids and improve strawberry health. No controlled evidence found.

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. Tradition only.

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 chives--strawberry--pest_suppression v1. Request a correction.

**A realistic garden scene where chives grows beside a plant with a traditional or unknown relationship.**Coexistence in a photograph is not evidence that the plants affect each other.

Example layout for chives

No supported or conditional relationship specifies a layout. Space chives at 20–30 cm and plan by light, water and timing.

**Side view of chives (30–40 cm) beside typical companions, showing canopy, support, shade and access.**

When these companions overlap

Bed occupancy in Portland, Oregon (estimates). A relationship only matters while both plants are present.

Chives

Carrot37 wk overlap

Strawberry21 wk overlap

Overlap in weeks
Carrot	37 weeks
Strawberry	21 weeks

Crop rotation guidance

Rotation is about what occupied the bed in previous seasons and is calculated separately from the live companion relationships above.

Rotate chives on a 1-year cycle with other onion family crops (Onion, Garlic, Leek). Shared risks: onion white rot, downy mildew, onion fly.

Crop rotation hub · Amaryllidaceae family page

Physical and resource fit

No significant light, water, pH or sprawl conflicts with the listed companions at recommended spacing.

Fit checks come from plant attributes and apply even when a pairing has a positive claim.

Community observations (anecdotal)

These reports come from gardeners and are not reviewed evidence. Results vary with soil, climate and practice. Community data never changes an evidence tier or a planner score.

Reports for chives: 0 (community submissions open in a later phase; drafts are stored only on your device).

**Community-submitted photo area (moderated) with context fields: region, season, layout, varieties, outcome.**

Record an observation

Evidence summary and sources

Companion planting in home gardens — University of Minnesota Extension, 2023 (guidance)
Effect of mixed cropping on some insect pests of carrots and onions — Entomologia Experimentalis et Applicata, 1984 (field)

Reviewer: Garden Planner editorial team (pending independent horticultural review). Status counts on the Companions A–Z page are derived from these records. Corrections.

Chives Companion Plants

Quick answer

Traditional claim (2)

No records match those filters

Example layout for chives

When these companions overlap

Crop rotation guidance

Physical and resource fit

Community observations (anecdotal)

Evidence summary and sources

Related

Visual evidence on this page

Our Methodology & Sources