How to Grow Red Pontiac Potato

Red Pontiac Potato

Solanum tuberosum 'Red Pontiac'

vegetable

Red Pontiac is a medium-sized red potato variety with smooth, thin skin and white flesh, prized for its firm texture and excellent taste. Originally developed in the early 1900s, it remains a reliable mid-season variety popular for boiling, salads, and general cooking. Known for good yields and disease resistance, it's a favorite among home and commercial gardeners.

Growing Conditions

☀️

Sun: Full sun, 6-8 hours daily minimum; 8+ hours preferred for best yields

💧

Water: Consistent moisture is critical; provide 1-2 inches per week through rainfall or irrigation. Keep soil evenly moist but not waterlogged. Reduce watering after plants die back.

📏

Spacing: 12 inches

📅

Days to maturity: 70-90 days (mid-season variety)

🌱

Planting depth: 4-6 inches deep; plant seed potatoes cut-side down

Soil

Type: Well-draining loamy soil rich in organic matter

pH: 5.0-6.8

Amendments:

Compost Well-rotted manure Peat moss Sulfur (if pH too high)

Growing Zones

Find your zone →

Thrives in zones 2-8; prefers cooler climates for optimal tuber development

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

Growth Stages

Seed Piece Sprouting

2-3 weeks

Seed potatoes develop sprouts and root systems underground. Soil remains cool and moist.

Ensure soil temperature is at least 45°F (ideally 50-60°F). Keep soil consistently moist. No fertilizer needed yet.

Vegetative/Emergence

3-4 weeks

Sprouts break through soil surface; leaves unfold and plant develops its first true stems and foliage.

Begin hilling (mounding soil) around stems once plants reach 6-8 inches tall. This encourages tuber development and prevents greening. Apply balanced fertilizer.

Active Growth

4-6 weeks

Plants reach full height (18-24 inches for Red Pontiac), develop dense foliage, and tubers begin rapid expansion underground.

Continue hilling every 2-3 weeks as plants grow. Maintain consistent soil moisture and provide adequate nitrogen. Monitor for pests and diseases. Keep weed pressure low.

Flowering & Tuber Maturation

2-3 weeks

Small white, pink, or purple flowers appear. Underground, tubers approach full size. Plant foliage begins to yellow.

Flowering indicates tubers are developing well. Reduce watering slightly if plants show wilting. Continue to monitor for late blight and other diseases.

Senescence & Harvest Ready

1-2 weeks before harvest

Foliage yellows, wilts, and dies back. Skin on tubers hardens (thickens). Plant enters dormancy.

Stop watering 1-2 weeks before planned harvest to allow skin to mature and cure. Harvest when foliage has completely died back or 70-90 days after planting.

Companion Planting

Plan your garden →

Plant with:

Corn Beans Peas Marigold Nasturtium Chives Parsley

Avoid planting near:

Tomato Pepper Eggplant Fennel Brassicas (cabbage, broccoli) Onion Garlic

Common Pests

Hand-pick adults and egg clusters; use row covers; apply neem oil or spinosad; plant tansy or marigolds nearby as deterrents.
Use row covers early; spray with insecticidal soap or neem oil; encourage beneficial insects.
Spray with strong water stream; use insecticidal soap; introduce ladybugs; apply neem oil.
Rotate crops; avoid planting in recently sod areas; trap with potato pieces; apply diatomaceous earth.
Use reflective mulches; apply insecticidal soap or pyrethrin; remove infected plants promptly.

Uses

🍳

Boiling and Salads

Culinary

Red Pontiac's waxy flesh holds together well when boiled, making it ideal for potato salads, soups, stews, and side dishes. The thin, attractive red skin is edible and adds visual appeal. [source]

🍳

General Cooking & Storage

Culinary

With excellent storage properties and long shelf life (3-4 months in proper conditions), Red Pontiac is a reliable all-purpose potato suitable for roasting, mashing, or hash. [source]

💊

Nutritional Value

Medicinal

Potatoes are a good source of vitamin C, potassium, and B vitamins. Red varieties contain beneficial anthocyanins, antioxidant compounds found in the skin. [source]

🏠

Home Food Security

Household

Red Pontiac's reliable yields and disease resistance make it an excellent choice for home gardeners seeking self-sufficiency and food preservation through storage. [source]

🦋

Beneficial Insect Support

Wildlife

Potato flowers attract bees and beneficial insects. Companion plantings of marigolds and nasturtiums further support pollinators and natural pest control. [source]

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

Harvest Tips

Red Pontiac is ready 70-90 days after planting when foliage has died back completely. Harvest on a dry day to avoid spreading soil diseases. Carefully dig with a spading fork, working from the sides to avoid bruising tubers. Allow harvested potatoes to cure in a cool (50-60°F), dark, humid location for 1-2 weeks to harden skins, then store at 45-50°F in the dark.

Fun Facts

🌱 Red Pontiac was developed in the early 1900s and remains one of the most widely grown red potato varieties worldwide, valued for its consistent performance across diverse climates.
🌱 The 'hilling' technique—mounding soil over growing potato plants—was perfected over centuries and dramatically increases yields by providing loose soil for tuber expansion and protecting developing potatoes from light exposure, which causes toxic solanine accumulation.
🌱 Potatoes are the world's fourth-largest food crop after rice, wheat, and corn, and Red Pontiac's reliability has made it instrumental in food security programs globally.

Want personalized planting timelines?

Get started free