What it needs & gives back
↓ Needs
Lightfull sun to partial shade
Watermoderate to high
↑ Gives back
Mulch_biomassmedium
Companions
plantplantplantplantplantplant
Common bean
Beans can provide nitrogen to potatoes, and potatoes can shade bean roots.
Corn Maize
Corn can provide shade for potatoes, but both are heavy feeders and can compete for nutrients.
Cabbage
Potatoes can benefit brassicas by deterring flea beetles, but can also compete for nutrients.
Tansy
Repels Colorado potato beetle.
Horseradish
Reported to deter Colorado potato beetle.
Caraway
Reported to improve potato growth.
Keep apart from
Through the year
Through the year
JFMAMJJASOND
emergenceEmergence of sprouts from tubers when soil temperature reaches 7°C.
floweringFlowering typically occurs 45-75 days after emergence.
fruitingBerry formation follows flowering, though not all varieties produce true fruit.
harvestHarvest occurs after foliage dies back, allowing tubers to mature and skins to set.
senescenceFoliage dies back as days shorten and temperatures drop, or with the first autumn frost.
dormancyTubers enter dormancy after senescence, lasting through winter until conditions are favorable for regrowth.
Soil interactions
Drainagewell-drained
Nitrogen fixingNo
MycorrhizalYes
Accumulatespotassium, phosphorus
Soil textureloam, sandy_loam
Organic matterMedium
Compaction toleranceLow
Propagation
Methodsseed, tuber_cuttings
Difficulty2 / 5
Establishes in~1 yr
Stratificationnot_required
Divisionspring
Wildlife & pests
Can host pestsColorado potato beetle, potato blight, aphids, flea beetles, potato leafhopper
Can host diseaseslate blight, early blight, scab, verticillium wilt