La Ratte

Family: Solanaceae Root Vegetable

Planting Schedule

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

A whisper of earth and a gentle, nutty sweetness rise from La Ratte’s slender fingerlings—golden skins that feel satin-smooth and flesh that turns buttery-tender with a fine, creamy bite.

Each tuber is characterful and uniform in length, with a warm yellow cast and a lightly speckled, rustic charm that makes every harvest look like a small treasure. Ideal for showcasing in simple, high-flavor preparations—roasting to a bronzed finish, pan-searing for crisp edges, or boiling for velvety, spoonable texture in salads and elegant sauces.

Light: Full SunMaturity: 90 DaysHabit: Spreading

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La Ratte 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 18th	Aug 16th – Aug 29th
Zone 2b	Direct Sow	May 8th	Aug 6th – Aug 25th
Zone 3a	Direct Sow	May 8th	Aug 6th – Sep 1st
Zone 3b	Direct Sow	May 12th	Aug 10th – Sep 21st
Zone 4a	Direct Sow	May 8th	Aug 6th – Sep 24th
Zone 4b	Direct Sow	May 6th	Aug 4th – Sep 27th
Zone 5a	Direct Sow	May 1st	Jul 30th – Sep 30th
Zone 5b	Direct Sow	Apr 27th	Jul 26th – Oct 5th
Zone 6a	Direct Sow	Apr 24th	Jul 23rd – Oct 10th
Zone 6b	Direct Sow	Apr 18th	Jul 17th – Oct 16th
Zone 7a	Direct Sow	Apr 13th	Jul 12th – Oct 20th
Zone 7b	Direct Sow	Apr 3rd	Jul 2nd – Oct 28th
Zone 8a	Direct Sow	Mar 25th	Jun 23rd – Nov 5th
Zone 8b	Direct Sow	Mar 16th	Jun 14th – Nov 12th
Zone 9a	Direct Sow	Feb 27th	May 28th – Nov 26th
Zone 9b	Direct Sow	Feb 2nd	May 3rd – 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	90
Sun Requirements	Full Sun
Growth Habit	Spreading
Support Needed	Hill
Planting Depth	Normal
Germination Temp (°F)	55
Min Soil Temp (°F)	45
Min Night Temp (°F)	40
Harden Off (days)	Not Required

Culinary Notes

Chef's Note

La Ratte’s slender shape and creamy-fine flesh make it a fingerling that behaves beautifully under high heat—crisp skin outside, buttery softness inside. Let it stay uncomplicated: quick roasting or hard pan time, then salt and a tangy sharpness like Dijon or vinegar to keep it lively.

Best Uses

roast until bronzed, then split and finish with flaky salt to highlight the creamy bite
pan-sear for tight, crisp edges while keeping the center buttery-tender
boil and dress warm in a slick vinaigrette (or herb-free) so they turn lightly spoonable in the dressing

Flavor Profile

silky, creamy interior gentle nutty sweetness with a whisper of earth satin-smooth skin that crisps fast

Kitchen Pairings

brown butter garlic Dijon mustard fresh thyme white wine vinegar sea salt

Frequently Asked Questions

What pest or disease most commonly affects Solanum tuberosum (potatoes), and what should I do if I see it?

Late blight (often driven by cool, wet weather) can show up as dark, water-soaked leaf patches with rapid browning and a fuzzy growth on undersides. Remove and discard affected foliage immediately, then spray a labeled fungicide for late blight protection according to the product directions. To slow spread, avoid overhead watering and keep plants spaced so leaves dry quickly after rain or irrigation.

How often should I water Solanum tuberosum during the main growing phase to support tuber formation?

During the main growth (roughly weeks 4–10 after planting, when plants are forming stems and starting to size tubers), keep soil consistently evenly moist but not waterlogged. In most home gardens this means watering deeply about 1–2 times per week, increasing frequency during warm, dry spells, with a target of roughly 1–2 inches (2.5–5 cm) of water per week. Stop heavy watering when foliage begins yellowing near maturity to reduce the risk of tuber rot.

How can I tell when La Ratte potatoes (Solanum tuberosum) are ready to harvest?

Harvest when plants reach about 90 days and the foliage naturally starts to yellow and die back; for best flavor, let the skin set for about 7–14 days after the leaves die. Check by gently digging at the edge of the row and look for tubers with firm skins that don’t rub off easily. Avoid waiting until the soil stays wet and cold, as this increases the chance of tuber disease.