Lower-confidence guild pairing: insectary flowers support pollinators, hoverflies, and parasitic wasps around mixed vegetable beds.
Solanum tuberosum
Potato grows best when paired with plants that attracts pollinators, repels pests, acts as a trap crop. We've catalogued 14 beneficial companions and 6 antagonists to avoid. Every pairing below cites its mechanism — pest deterrence, nitrogen fixing, allelopathy, or shared disease.
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Lower-confidence guild pairing: insectary flowers support pollinators, hoverflies, and parasitic wasps around mixed vegetable beds.
Lower-confidence guild pairing: aromatic foliage can confuse pests in dense polyculture beds when spacing and airflow are maintained.
Lower-confidence guild pairing: insectary flowers support pollinators, hoverflies, and parasitic wasps around mixed vegetable beds.
Lower-confidence guild pairing: insectary flowers support pollinators, hoverflies, and parasitic wasps around mixed vegetable beds.
Lower-confidence guild pairing: trap crops can draw aphids or flea beetles away from the main crop when monitored and removed if overloaded.
Lower-confidence guild pairing: aromatic foliage can confuse pests in dense polyculture beds when spacing and airflow are maintained.
Lower-confidence guild pairing: trap crops can draw aphids or flea beetles away from the main crop when monitored and removed if overloaded.
Lower-confidence guild pairing: aromatic foliage can confuse pests in dense polyculture beds when spacing and airflow are maintained.
Cabbage-family crops are traditionally listed as compatible with potatoes when spacing is adequate.
Lower-confidence guild pairing: insectary flowers support pollinators, hoverflies, and parasitic wasps around mixed vegetable beds.
Lower-confidence guild pairing: low ground covers protect soil, reduce bare patches, and can be cut back if they compete.
Lower-confidence guild pairing: aromatic foliage can confuse pests in dense polyculture beds when spacing and airflow are maintained.
Beans fix nitrogen near potatoes and are a classic small-garden pairing.
Lower-confidence guild pairing: insectary flowers support pollinators, hoverflies, and parasitic wasps around mixed vegetable beds.
Late blight reservoir; rotation recommended.
Onions and potatoes are commonly separated in traditional companion charts.
Both plants host the same pest or pathogen; one infected, both infected.
Management warning: fennel is traditionally grown apart because it can inhibit neighbouring crops and disrupt guild balance.
Roots or leaves release chemicals that suppress neighbouring plants. Often a one-way problem (walnut → most vegetables).
Both prone to blight.
Flowering herbs draw bees, hoverflies, and parasitic wasps — improving fruit set and biological pest control.
Strong aromatics like basil, garlic, and marigold mask the olfactory cues that pests use to find their target crop.
A sacrificial crop draws pests away from the main harvest.
Two heavy feeders side-by-side starve each other of nitrogen, water, or light.
A low-growing perennial covers bare soil under taller crops, reducing evaporation and weed pressure.
Legumes pull atmospheric nitrogen into the soil through root nodules, feeding heavy-feeding neighbours like maize or brassicas.
The top companions are Yarrow, Artemisia dracunculus, Borage. 11 more pairings are catalogued above with their mechanisms.
Avoid Tomato, Allium cepa, Pumpkin / Zucchini, and 3 other antagonists. Reasons vary — allelopathy, shared pests, or resource competition. See the section above for each plant's specific issue.
Yes — pairing with legumes that fix atmospheric nitrogen reduces fertiliser need and improves yield. Check the "Plant near these" section above for nitrogen-fixing companions.
Aromatic companions deter many pests through scent masking and alarm pheromones. Effect varies by pest species and density — most effective as part of a polyculture, not a one-plant solution.
Some mechanisms are well-documented (legume nitrogen fixation, allelopathy in walnut and fennel, nematode suppression by marigolds). Others are traditional pairings with anecdotal support. We cite both, but mark mechanism strength where available.
Un email curat pe săptămână — profile noi de plante, note sezoniere de cultivare, adăugiri în arhiva de remedii. Gratuit, fără tracking, dezabonare oricând.