Peruvian Purple

Family: Solanaceae Root Vegetable

Planting Schedule

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

Velvety, deep purple skin with a luminous, violet-tinged interior makes Peruvian Purple potatoes a feast for the eyes—then a delight on the palate with a gently earthy, nutty flavor.

The flesh stays tender and creamy when cooked, offering a fine-grained texture that holds its color beautifully in roasts and mash, and lends striking depth to purées and vibrant sides. Grow Peruvian Purple for a showpiece harvest at about 95 days, perfect for gardeners who love distinctive color as much as dependable performance.

Light: Full SunMaturity: 95 DaysHabit: Mounding

Botanical illustration of Peruvian Purple

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Peruvian Purple 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	Mounding
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	50
Min Soil Temp (°F)	45
Min Night Temp (°F)	28
Harden Off (days)	Not Required

Culinary Notes

Chef's Note

Peruvian Purple’s fine, creamy grain means it turns velvety without turning gluey—ideal for mash and purée where the color can’t be compromised. It roasts beautifully too: the nutty, earthy flavor reads as warm and grounded against butter and garlic, while the violet interior keeps its look under heat.

Best Uses

roasted wedges with crisp edges—color holds in the oven
silky mash or riced purée that shows off the violet interior
pan-seared potatoes for a tender center with browned, caramel notes
sheet-pan sides where you want purple flesh to stay vivid

Flavor Profile

gently earthy, nutty potato sweetness fine-grained, creamy interior when cooked subtle violet-leaning earthiness that stays even after heat

Kitchen Pairings

garlic butter Parmesan sour cream caramelized onions fresh chives

Frequently Asked Questions

What pest or disease is most likely on Solanum tuberosum (potato), and what should I do if I see it?

Late blight (often seen as dark, water-soaked leaf spots that spread quickly, with a grayish fuzz on humid days) is the most damaging disease for potatoes. Remove and destroy infected leaves immediately, avoid wetting foliage when watering, and improve airflow by spacing plants properly. If the problem is spreading, use a labeled late-blight fungicide and reapply according to the product’s schedule and timing for potatoes.

How often should I water during the main growing phase to keep Solanum tuberosum producing tubers?

During active growth and tuber bulking (once plants are established), keep the soil evenly moist but not soggy—aim for about 1–2 inches of water per week depending on heat and soil type. Water deeply so moisture reaches the root zone, and let the top inch of soil dry slightly between waterings to prevent rot. Consistent moisture is especially important after flowering begins; irregular watering can lead to misshapen tubers.

How can I tell when my Peruvian Purple potatoes (Solanum tuberosum) are ready to harvest?

Plan to harvest around 95 days after planting, but confirm readiness by checking plant decline—vines should be yellowing and dying back. Dig one test hill gently: harvest when the tuber skins are set (they won’t rub off easily) and the skins feel firm. For better storage skins, wait about 7–14 days after the tops die before harvesting.