Pontiac

Family: Solanaceae Root Vegetable

Planting Schedule

Provide your location or planting zone to unlock dates and add Pontiac to a garden.

Velvety-skinned and richly colored, Pontiac delivers an inviting blush of red over smooth, firm flesh—an elegant tuber that feels substantial in the hand.

Expect a creamy, golden interior with a dependable, all-purpose bite that shines for roasting and pan-frying, and also performs beautifully for mashing and hearty stews. From planting to harvest, Pontiac’s steady rhythm makes it a satisfying choice for gardeners who want dependable performance and standout color in the cellar.

Light: Full SunMaturity: 95 DaysHabit: Clumping

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Pontiac Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	Protected Environment Only
Zone 2a	Direct Sow	May 25th	Aug 28th – Aug 29th
Zone 2b	Direct Sow	May 15th	Aug 18th – Aug 25th
Zone 3a	Direct Sow	May 15th	Aug 18th – Sep 1st
Zone 3b	Direct Sow	May 19th	Aug 22nd – Sep 21st
Zone 4a	Direct Sow	May 15th	Aug 18th – Sep 24th
Zone 4b	Direct Sow	May 13th	Aug 16th – Sep 27th
Zone 5a	Direct Sow	May 8th	Aug 11th – Sep 30th
Zone 5b	Direct Sow	May 4th	Aug 7th – Oct 5th
Zone 6a	Direct Sow	May 1st	Aug 4th – Oct 10th
Zone 6b	Direct Sow	Apr 25th	Jul 29th – Oct 16th
Zone 7a	Direct Sow	Apr 20th	Jul 24th – Oct 20th
Zone 7b	Direct Sow	Apr 10th	Jul 14th – Oct 28th
Zone 8a	Direct Sow	Apr 1st	Jul 5th – Nov 5th
Zone 8b	Direct Sow	Mar 23rd	Jun 26th – Nov 12th
Zone 9a	Direct Sow	Mar 6th	Jun 9th – Nov 26th
Zone 9b	Direct Sow	Feb 9th	May 15th – Dec 9th
Zone 10a	Continuous Production
Zone 10b	Continuous Production
Zone 11a	Continuous Production
Zone 11b	Continuous Production
Zone 12a	Continuous Production
Zone 12b	Continuous Production
Zone 13a	Continuous Production
Zone 13b	Continuous Production

Crop Details

Trait	Value
Days to Maturity	95
Sun Requirements	Full Sun
Growth Habit	Clumping
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	50
Min Soil Temp (°F)	45
Min Night Temp (°F)	35
Harden Off (days)	Not Required

Culinary Notes

Chef's Note

Pontiac’s firm flesh cooks up with a velvety, creamy interior while still giving you crisp, brown edges—great for heat where other reds can go mealy. It’s built for dependable, all-purpose comfort: roast it for crunch-to-fluff contrast or mash it silky with dairy and herbs.

Best Uses

roasting to get crisp edges and a fluffy center
pan-frying into golden, shatter-crisp rounds
mashing for a smooth, rich, butter-ready texture
hearty stews where the potato holds shape without turning gluey

Flavor Profile

creamy, golden interior velvety-tender bite when cooked balanced, earthy potato flavor with light sweetness

Kitchen Pairings

butter fresh thyme parmesan sour cream chicken stock black pepper

Frequently Asked Questions

What pest or disease is most common on Solanum tuberosum (potatoes) and how do I manage it?

Early blight (Alternaria) and late blight are the most frequent potato diseases, especially when days are warm and nights are damp. Inspect weekly for brown, concentric leaf spots (early blight) or fast-spreading dark, water-soaked lesions (late blight), and remove affected tops before the disease spreads through the bed. Keep foliage dry by watering at the soil line, improve spacing/airflow, and rotate out of Solanaceae beds for at least 2–3 years; if late blight is present locally, use labeled preventative fungicide early according to label directions.

How often should I water Solanum tuberosum during its main tuber-building phase?

From about weeks 4–10 (when plants are actively growing and tubers are forming), water to keep the soil consistently moist but not soggy. In typical home gardens, that usually means about 1–2 inches of water per week, split into 1–2 watering sessions; adjust so the top 2–4 inches of soil feel evenly moist, not wet. Avoid letting it dry out completely—uneven moisture can lead to misshapen or cracked tubers.

How can I tell when my Pontiac potatoes are ready to harvest (Solanum tuberosum, ~95 days)?

Check plant maturity by counting from planting (Pontiac typically fits the ~95-day window) and by observing plant dieback—vines should start yellowing and dying back. For a “new potato” harvest, dig lightly earlier, but for full-size tubers wait until most foliage has naturally died back and the skins are firm enough to resist rubbing off gently. Dig carefully with a fork to avoid cuts, then cure in a cool, airy place for 1–2 weeks before storage.