Opalka

Family: Solanaceae Nightshade

Sun-warmed and richly aromatic, Opalka paste tomatoes ripen to a deep, classic red with a firm, meaty interior that feels almost sculpted in the hand.

Expect a dense, low-gel core and a smooth, satin skin that holds its shape beautifully—ideal for thick sauces and robust roasting where flavor concentrates and stays true. Grow Opalka for a steady, dependable harvest rhythm over the season, delivering the kind of tomato richness that turns everyday batches into signature favorites.

Light: Full SunMaturity: 75 DaysHabit: Indeterminate

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

Milestone	Date
Start Indoors	Mar 7th
Last Frost	Apr 25th
Transplant / Sow Outdoors	Jun 20th
Harvest Begins	Sep 3rd
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	75
Sun Requirements	Full Sun
Growth Habit	Indeterminate
Support Needed	Stake
Planting Depth	Deep
Germination Temp (°F)	75
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	10

Culinary Notes

Chef's Note

Opalka’s low-gel, meaty interior cooks down into a sauce that clings instead of weeping—great if you want body and flavor staying power. Roast or reduce it and you’ll get that classic tomato tang with caramelized edges, without the watery breakup that softer slicing types can bring.

Best Uses

slow-reduced paste sauce with a thick nappe
cooking-roasting until edges caramelize and interior stays meaty
seed-forward dice for ragù-style simmering without turning to soup

Flavor Profile

dense, low-gel flesh sun-warmed tomato savor with a clean, tangy snap firm, sculpted bite that stays put

Kitchen Pairings

garlic olive oil onion red wine black pepper Parmigiano-Reggiano

Frequently Asked Questions

What disease is most likely to hit Solanum lycopersicum (tomato) and what should I do early?

Look for early blight on tomato leaves: dark, concentric rings that spread from the lower foliage upward. Remove affected leaves as soon as you see spots, avoid wetting foliage when watering, and spray with a labeled copper-based fungicide if conditions are humid or rain is frequent. Space plants for airflow so new growth stays drier.

How often should I water Amish Paste tomato plants during their main fruiting period?

During main fruiting, keep soil consistently moist but not soggy—aim for about 1–2 inches (2.5–5 cm) of water per week depending on heat and soil type. Water deeply 1–2 times per week, letting the top few centimeters dry slightly between waterings to prevent split fruit and root problems. Use drip irrigation or water at the base to keep Solanaceae foliage dry.

How can I tell when Opalka tomato fruits are ready to harvest?

Harvest when fruits are fully colored for the variety and feel firm but give slightly when gently squeezed. Expect mature fruit around 75 days from transplanting; pick regularly once they start ripening to keep plants producing. If fruit cracks or tastes overly firm, let it ripen another day or two on the vine before picking.