White Rose

Family: Solanaceae Root Vegetable

Planting Schedule

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

Silky-smooth skin and a luminous, creamy-white flesh define White Rose potatoes at maturity, with a gentle, nutty sweetness that feels refined rather than starchy.

The tubers form in tidy, oval-to-elongated shapes and hold a tender, velvety texture that shines in hearty, home-style preparations—ideal for roasting to a golden edge, mashing for a satiny bowl, and turning into comforting soups or gratins. Grow White Rose for reliable harvest timing around 80 days and a harvest that looks as good as it tastes.

Light: Full SunMaturity: 80 DaysHabit: Spreading

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White Rose 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 13th – Aug 29th
Zone 2b	Direct Sow	May 15th	Aug 3rd – Aug 25th
Zone 3a	Direct Sow	May 15th	Aug 3rd – Sep 1st
Zone 3b	Direct Sow	May 19th	Aug 7th – Sep 21st
Zone 4a	Direct Sow	May 15th	Aug 3rd – Sep 24th
Zone 4b	Direct Sow	May 13th	Aug 1st – Sep 27th
Zone 5a	Direct Sow	May 8th	Jul 27th – Sep 30th
Zone 5b	Direct Sow	May 4th	Jul 23rd – Oct 5th
Zone 6a	Direct Sow	May 1st	Jul 20th – Oct 10th
Zone 6b	Direct Sow	Apr 25th	Jul 14th – Oct 16th
Zone 7a	Direct Sow	Apr 20th	Jul 9th – Oct 20th
Zone 7b	Direct Sow	Apr 10th	Jun 29th – Oct 28th
Zone 8a	Direct Sow	Apr 1st	Jun 20th – Nov 5th
Zone 8b	Direct Sow	Mar 23rd	Jun 11th – Nov 12th
Zone 9a	Direct Sow	Mar 6th	May 25th – Nov 26th
Zone 9b	Direct Sow	Feb 9th	Apr 30th – 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	80
Sun Requirements	Full Sun
Growth Habit	Spreading
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	55
Min Soil Temp (°F)	45
Min Night Temp (°F)	35
Harden Off (days)	Not Required

Culinary Notes

Chef's Note

White Rose is a “clean and creamy” potato—roast it hot and it turns lusciously tender without going chalky. Mash and gratin both benefit from its silky texture, giving you that spoonable, custard-leaning finish instead of gluey starch.

Best Uses

golden-edge roasting (high browning without drying the center)
mashing for a satiny, lump-free bowl
buttery gratin where the slices soften into custardy layers
creamy soups that rely on potato’s smooth body

Flavor Profile

silky-smooth, creamy flesh gentle nutty sweetness tender, velvety mouthfeel clean, light earthy finish

Kitchen Pairings

unsalted butter garlic fresh thyme gruyère black pepper chives

Frequently Asked Questions

What pest or disease most often affects Solanum tuberosum (white potato), and how do I control it?

Late blight (often starting as dark, water-soaked spots on leaves and rapidly spreading) is one of the most damaging problems for potatoes. Remove and destroy infected foliage immediately, avoid overhead watering, and apply a labeled fungicide early in the season or at the first signs according to the product label. Keep plants spaced for airflow and don’t save seed tubers from diseased plants.

How often should I water Solanum tuberosum during peak growth, and what soil moisture level should I maintain?

During tuber bulking (roughly mid-season through about 80 days), keep soil evenly moist but not waterlogged—aim for about 1–1.5 inches of water per week from rainfall plus irrigation. Water deeply when the top 1 inch of soil dries, then avoid letting the soil swing dry-to-saturated, which can reduce yields. Consistent moisture is especially important once plants start flowering.

How can I tell when my white potatoes are ready to harvest?

Start checking at about 80 days from planting, or earlier if vines are dying back and skin is thick. Harvest a small “test” row: if the tubers’ skins rub off easily, wait longer; if skins stay set and the plants have begun to yellow, they’re ready. For the best storage skins, wait 7–14 days after tops fully die back before harvesting.