How to Grow Purple Viking Potato

Purple Viking Potato

Solanum tuberosum 'Purple Viking'

vegetable

Purple Viking is a mid-season potato variety with distinctive purple skin and white flesh, known for its excellent flavor and versatility in the kitchen. This all-purpose potato variety produces moderate yields and stores well, making it ideal for home gardeners. The plants are moderately vigorous with good disease resistance compared to many heirloom varieties.

Growing Conditions

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Sun: Full sun, 6-8 hours daily minimum

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Water: Consistent moisture throughout growing season, 1-2 inches per week. Water at soil level to prevent foliage diseases. Allow soil to dry slightly between waterings.

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Spacing: 10 inches

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Days to maturity: 80-100 days

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Planting depth: 4 inches (potato piece or seed potato)

Soil

Type: Well-draining loamy soil, slightly acidic

pH: 5.0-6.8

Amendments:

Compost Aged manure Peat moss Sulfur if pH too high

Growing Zones

Find your zone →

Zones 3-7 are ideal; can be grown in zones 2-8 with adjusted timing

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a

Growth Stages

Seed Potato Sprouting

2-3 weeks

Seed potatoes develop sprouts or 'eyes' indoors or outdoors before emergence.

Plant seed potatoes 2 weeks before last spring frost. Chit (pre-sprout) indoors 2-3 weeks prior for faster emergence. Use certified disease-free seed potatoes.

Vegetative Growth

4-6 weeks

Shoots emerge and develop into leafy plants with multiple stems. Foliage is abundant and green with some purple tinting in stems.

Hill soil around plants as they grow to prevent tuber exposure to sunlight. Maintain consistent moisture and provide full sun. Watch for early blight and Colorado potato beetles.

Flowering

2-3 weeks

Small clusters of purple or white flowers appear on plant stems. This indicates tuber development is beginning underground.

Continue hilling and consistent watering. Flowers are ornamental but can be left on or removed. Plant health is critical at this stage for tuber quality.

Tuber Development

3-4 weeks

Underground tubers enlarge and develop their characteristic purple skin. Foliage remains green and robust.

Maintain consistent soil moisture without waterlogging. Continue hilling to prevent greening of exposed tubers. Avoid excessive nitrogen to prevent excessive foliage at tuber expense.

Maturity & Harvest

Harvest ready 80-100 days after planting

Foliage begins to yellow and die back as tubers reach full size. Purple skin darkens and skin sets for storage.

Stop watering 2 weeks before harvest to harden tuber skins. Harvest when foliage is 50% dead for storage potatoes, or earlier for new potatoes. Handle carefully to avoid bruising.

Companion Planting

Plan your garden →

Plant with:

Basil Marigold Nasturtium Horseradish Cilantro Chives Garlic

Avoid planting near:

Tomato Pepper Eggplant Fennel Brassicas Onion (same spacing area)

Common Pests

Hand-pick adults and egg clusters daily. Use row covers on young plants. Apply neem oil or spinosad if infestation is severe. Rotate crops yearly.
Spray with strong water stream to dislodge. Use neem oil or insecticidal soap. Encourage beneficial insects like ladybugs. Plant resistant varieties nearby.
Crop rotation away from grains and grass. Remove soil debris. Trench barriers with hardware cloth. Use beneficial nematodes in soil.
Maintain pH 5.0-6.0 to inhibit disease. Use certified disease-free seed potatoes. Avoid lime applications. Ensure good soil drainage and avoid excessive nitrogen.
Remove lower leaves as plant grows. Improve air circulation with proper spacing. Mulch to prevent soil splash. Apply copper fungicide or sulfur preventatively in humid conditions.

Uses

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Versatile All-Purpose Cooking

Culinary

Purple Viking potatoes are excellent for boiling, mashing, salads, and soups due to their waxy texture and ability to hold shape well. The purple skin and white flesh create attractive presentation in dishes. [source]

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Roasting & Grilling

Culinary

Their firm texture makes them ideal for roasting, grilling, and creating potato wedges or chips while maintaining good structural integrity and developing excellent flavor. [source]

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Resistant Starch & Digestive Health

Medicinal

When cooled after cooking, potatoes develop resistant starch, which functions similarly to dietary fiber and supports digestive health and blood sugar regulation. [source]

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Natural Food Storage

Household

Purple Viking potatoes have excellent storage capability, lasting 4-5 months in cool, humid conditions without special processing, making them economical for year-round use. [source]

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Garden Ecosystem Support

Wildlife

Potato flowers and foliage provide important food sources for pollinators and beneficial insects while supporting a diverse garden ecosystem during mid-summer. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Harvest new potatoes 60-70 days after planting when plants begin to flower by gently digging alongside plants without uprooting them. For storage potatoes, harvest 80-100 days after planting when foliage dies back. Cut foliage 2 weeks before harvesting to harden skins. Dig carefully with a garden fork to avoid bruising and cutting tubers. Cure harvested potatoes in a cool (50-60°F), dark, humid location for 1-2 weeks before storage. Store at 35-45°F with high humidity for up to 4-5 months.

Fun Facts

🌱 Purple Viking potatoes derive their color from anthocyanin pigments, the same powerful antioxidants found in blueberries and red grapes, making them nutritionally distinct from white potato varieties.
🌱 The 'Viking' in the name references the potato's heritage as a mid-season variety developed for northern growing regions with shorter seasons and cooler temperatures.
🌱 Potatoes are the world's fourth-largest food crop after rice, wheat, and corn, and Purple Viking remains a favorite heirloom variety among home gardeners for its reliability and exceptional flavor.

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