San Marzano Nano

Family: Solanaceae Nightshade

Sun-warmed and richly aromatic, San Marzano Nano brings a dense, meaty sweetness with a classic tang—its flavor feels concentrated, like a garden secret kept in miniature.

The fruits are compact and elongated, with a smooth, firm texture and few seeds, making them ideal for thick, spoonable results and deep red color in every jar. Grow this 75-day paste tomato for abundant harvests that reward both fresh slicing and long-simmered favorites with a distinctly San Marzano character.

Light: Full SunMaturity: 75 DaysHabit: Determinate

Botanical illustration of San Marzano Nano

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 13th
Harvest Begins	Aug 27th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	75
Sun Requirements	Full Sun
Growth Habit	Determinate
Support Needed	Cage
Planting Depth	Deep
Germination Temp (°F)	75
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	8

Culinary Notes

Chef's Note

San Marzano Nano’s compact, meat-forward interior collapses into a sauce with real body—ideal for spooning over pasta without thinning out. Its restrained seeds and tang make it a standout base for long-simmered red sauces and preserved jars where you want the tomato to taste unmistakably tomato, not watered down.

Best Uses

thick spoonable passata-style sauce (short blend or no blend)
slow-simmered gravy for pasta where it clings instead of running
jarred whole or chopped tomatoes that hold body
quick pan-roasted tomato reduction for finishing

Flavor Profile

concentrated, low-seed sweetness classic tomato tang with a clean finish dense, meaty flesh that thickens as it simmers sun-warmed aromatic intensity

Kitchen Pairings

garlic extra-virgin olive oil onion balsamic vinegar pecorino romano mozzarella

Frequently Asked Questions

What pest or disease is most common on Solanum lycopersicum (tomato) and how do I treat it in the home garden?

A frequent problem is early blight (Alternaria) showing as dark, concentric “target” spots on older leaves. Remove and discard the infected leaves, avoid overhead watering, and apply a labeled protective fungicide early in the season and after rainy/humid spells to prevent new spots from spreading.

How often should I water San Marzano Nano tomatoes during the main growing phase?

During flowering and fruit set, keep soil consistently moist but not soggy—aim for about 1–2 inches of water per week total, adjusted for heat and container size. Water deeply at the base when the top 1 inch of soil dries, since irregular moisture can trigger blossom-end rot and fruit cracking.

How can I tell when Solanum lycopersicum “San Marzano Nano” is ready to harvest?

Harvest when fruits are fully colored (deep red), feel firm but not rock-hard, and have reached the variety’s typical size for a mature fruit. If nights are warm, expect harvest around ~75 days from transplanting and pick regularly to keep new fruit setting.