How to Grow Pink Opal

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Pink Opal

Solanum tuberosum 'Pink Opal'

vegetable

Pink Opal is a striking specialty potato variety featuring deep pink to burgundy skin and vibrant pink flesh throughout. Developed in Peru, this medium-sized potato offers excellent nutritional value with high anthocyanin content and a waxy texture that holds shape well during cooking. It's prized by chefs and home gardeners for both its visual appeal and distinctive earthy flavor.

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Example Pink Opal timeline · Pittsburgh, PA (Zone 6b)

Plant Pink Opal
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest Pink Opal
Around Jun 26

≈ 70 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Pink Opal dates for your own zip code.

Growing Conditions

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Sun: Full sun, 6-8 hours daily minimum; tolerates partial shade in hot climates

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Water: Consistent moisture; 1-2 inches weekly. Keep soil evenly moist but not waterlogged. Mulch heavily to maintain moisture and keep tubers cool and covered.

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Spacing: 12 inches

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Days to maturity: 70-90 days

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Planting depth: 4-6 inches; plant whole small seed potatoes or cut pieces with at least 2 eyes each, 2-3 weeks before last frost

Soil

Type: Well-draining, loose, slightly acidic loamy soil rich in organic matter

pH: 5.5-6.8

Amendments:

Compost Peat moss Aged manure Perlite or sand for drainage Sulfur if soil is too alkaline

Growing Zones

Find your zone →

Thrives in zones 3-9; prefers cooler climates with consistent moisture

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a

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Growth Stages

Seed Potato Preparation

2-3 days before planting

Seed pieces are prepared with visible eyes/sprouts ready to plant.

Use certified disease-free seed potatoes. Cut large potatoes into 2-inch pieces with 2-3 eyes each. Allow cuts to cure for 1-2 days before planting to reduce rot.

Sprouting & Emergence

2-4 weeks

Shoots emerge from soil, first leaves unfold, establishing initial root system.

Ensure soil stays consistently moist and warm (60-65°F ideal). Begin hilling soil around shoots once they reach 6 inches tall. Hill every 2-3 weeks as plants grow.

Vegetative Growth

4-6 weeks

Bushy foliage develops with multiple stems; deep pink flowers appear. Plant reaches full height (18-24 inches).

Continue regular hilling to prevent sunlight from turning tubers green. Water consistently. Apply mulch to retain moisture and regulate soil temperature. Monitor for pests and disease.

Flowering & Tuber Development

3-4 weeks

Attractive pink flowers bloom; tubers rapidly enlarge underground. Foliage remains lush.

Maintain consistent watering—critical for tuber sizing. Continue hilling if needed. Reduce nitrogen feeding to encourage tuber development over foliage. Watch for late blight.

Maturation & Harvest Readiness

2-3 weeks

Foliage begins yellowing and dying back; skins thicken and mature. Tubers reach full size.

Reduce watering once tops die back. Allow 2-3 weeks after foliage dies for skin to fully set before harvesting. This improves storage and reduces bruising.

Companion Planting

Plan your garden →

Plant with:

Corn Beans Peas Cabbage Marigolds Nasturtiums Garlic Chives Dill Parsley

Avoid planting near:

Tomatoes Peppers Eggplants Fennel Brassicas (in same family rotation) Sunflowers Raspberries Blackberries

Common Pests

Hand-pick beetles and egg clusters. Use row covers early in season. Apply neem oil or spinosad if needed. Encourage beneficial insects. Rotate crops annually.
Spray with strong water stream to dislodge. Apply insecticidal soap or neem oil. Plant marigolds as trap crops. Encourage natural predators like ladybugs.
Hill soil to prevent soil splashing. Improve air circulation. Water at soil level, not foliage. Remove infected foliage. Apply copper fungicide or sulfur preventatively in humid conditions. Avoid overhead watering.
Remove lower infected leaves. Ensure good drainage and air circulation. Mulch to prevent soil splashing. Apply copper or sulfur fungicide. Practice crop rotation.
Till soil to expose pupae. Use beneficial nematodes. Avoid planting in recently sod-turned areas. Plant garlic nearby as a repellent.
Hill soil adequately to protect tubers from light. Use row covers. Apply Bt (Bacillus thuringiensis) if needed. Destroy infested tubers.

Uses

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Gourmet Cooking & Visual Appeal

Culinary

Pink Opal's striking pink-purple flesh maintains its vibrant color when cooked, making it excellent for visually stunning dishes like potato salads, gratins, and roasted sides. The waxy texture holds shape beautifully, making it ideal for boiling or steaming whole. [source]

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Antioxidant & Phytonutrient Rich

Medicinal

The deep pink coloration comes from anthocyanins, powerful antioxidants linked to reduced inflammation, improved heart health, and better blood sugar control. Pink Opal contains significantly higher anthocyanin levels than common white or yellow potato varieties. [source]

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Specialty & Fine Dining Applications

Culinary

Chefs favor Pink Opal for upscale restaurant presentations, specialty markets, and gourmet dishes where visual presentation and unique flavor profiles enhance the dining experience. The earthy taste complements French, Mediterranean, and Peruvian cuisines. [source]

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Home Preservation & Storage

Household

Pink Opal's dense, waxy flesh makes it excellent for long-term storage lasting 3-4 months in proper cool, dark conditions. Well-suited for curing and cellaring for winter use in home kitchens. [source]

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Garden Ecosystem Support

Wildlife

The pink flowers attract pollinators and beneficial insects. The dense foliage provides shelter for beneficial ground-dwelling insects and helps suppress weeds naturally. [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 70-90 days after planting when foliage begins to yellow and die back. For new potatoes, harvest earlier (60-70 days) when flowers bloom—carefully dig around plants without disturbing others. For storage, wait until tops are completely dead and skins have hardened (2-3 weeks after foliage dies). Dig carefully to avoid bruising the delicate pink skin. Cure harvested potatoes in a cool (50-60°F), dark, well-ventilated space for 10-14 days before storage. Store in cool (45-50°F), dark conditions with high humidity for 3-4 months.

Fun Facts

🌱 Pink Opal is a Peruvian heirloom variety that has been cultivated in the Andes for generations, and its vivid pink color is entirely natural, not from artificial dyes—the pigmentation comes from anthocyanins, the same compounds that make blueberries blue.
🌱 When you cut into a Pink Opal potato, the pink color runs all the way through to the center (unlike some varieties that have colored skin only), and it remains beautifully visible even after cooking, creating an impressive presentation.
🌱 Pink potatoes contain up to 3 times more anthocyanins than regular white potatoes, making them a functional food linked to heart health, anti-inflammatory effects, and improved cognitive function when consumed regularly as part of a balanced diet.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Full Sun Mulch Partial Shade

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