Potato
Solanum tuberosum
Also known as: Irish potato, spud
Cool-season tuber grown from seed potatoes. Hill soil around stems as they grow to increase yield and prevent green tubers.
Growing Requirements
Planting Schedule
Direct Sow (Spring)
2–4 weeks before last frost
Germination
14–21 days
Days to Harvest
70–120 days
Zone Suitability
USDA Hardiness Zones
Zones 3–10
Plant seed potatoes, not grocery store potatoes. Acidic soil helps prevent scab disease.
Companion Plants
Antagonists (6)
Cucumber
Cucumis sativus
Cucumbers may increase late blight susceptibility in potatoes
Confidence: Medium
Zucchini
Cucurbita pepo
Both susceptible to blight; proximity increases disease risk
Confidence: Medium
Yellow Squash
Cucurbita pepo var. recticollis
Both susceptible to blight; proximity increases disease risk
Confidence: Medium
Pumpkin
Cucurbita maxima
Both susceptible to blight; proximity increases disease risk
Confidence: Medium
Watermelon
Citrullus lanatus
Both susceptible to blight; increase disease pressure together
Confidence: Medium
Sunflower
Helianthus annuus
Sunflower root exudates may inhibit potato growth
Confidence: Medium