Tomato variety
✓ In your garden
Roma is the compact, easygoing plum tomato most people mean by a 'paste tomato' — a short determinate bush that ripens a big flush of thick-walled, low-seed fruit all at once, perfect for a sauce-and-canning weekend. It's less intense than a San Marzano but far more forgiving, and the common Roma VF even shrugs off two of the wilt diseases that flatten heirlooms.
“The dependable canning workhorse — a compact bush that ripens a big flush of meaty plums all at once.”
Compact, self-supporting-ish, and one of the few tomatoes with built-in disease resistance (the common Roma VF resists Verticillium and Fusarium wilt).
Clean and mild — a fine everyday sauce tomato, a step below San Marzano for depth but far easier to grow.
Dense and dryish with few seeds — built for the pan, unremarkable raw.
As a determinate it sets and ripens its crop in a tight window — great for a canning day, less so for a steady trickle.
The elongated shape rots at the tip if calcium and water swing. Water steadily and mulch.
It trades gourmet flavor for reliability and a one-shot harvest — exactly what canning wants.
Numbers from university growing guides. Ratings are our take, judged against all tomatoes. Tap a meter to see why.
Roma VF grows like any other tomato. The full picture — how deep to plant, spacing, feeding, pests, harvest — lives on the Tomato page so it's maintained in one place.
Roma ripens to a deep, even red. Pick it fully colored and firm-meaty — and expect most of the crop to come ready within a couple of weeks, so have your jars ready. Watch the blossom end for soft dark rot.
The stages: Green → Breaking → Red-orange → Pick it. Grab it at that last stage.
A small egg-shaped plum — about 3 inches long, 1½ across, and roughly 2 oz. Dense and meaty, not a ball.
Our take for a bush like this — the real height depends on your soil and summer.
Our take, from how it grows and tastes — not every kitchen agrees.
All at once. Most of the crop ripens in about two weeks — handy for a canning day.
A plant like this ripens most of its fruit together, so you get one big batch. Plan your kitchen around it.
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Want the full 10/50/90% odds + nearest stations? Open the frost tool →Greenhouse or cover on: your start slides ~4 weeks earlier and your harvest stretches ~3 weeks later (shown striped).
Planting seeds straight in the ground only works where the season's long and warm — most gardeners start seeds indoors or buy young plants, or you'd pick your first tomato right as frost hits.
Comfortable — first ripe fruit lands around early Jul, well before your typical frost (~late Oct).
Typical dates for zone 6b — set your zone or ZIP above for yours.
Basil can cut thrips numbers on tomatoes, and a modest yield gain shows up when it is planted at good density. They also want the same heat and water, so the bed suits both.
Grown thick and turned into the soil, they suppress root-knot nematodes. A couple between plants mostly just look nice.
Its flowers feed hoverflies, and hoverfly larvae eat aphids. Commercial lettuce growers interplant it for that exact job.
A tall tomato throws exactly the shade lettuce wants once summer heat makes it flower and turn bitter (bolt).
'Carrots Love Tomatoes' is a book title, not a trial. They coexist fine — just expect the tomato to shade them by August.
Chart canon says onions and garlic make good tomato neighbors. No trials to point at, no conflict either.
Walnut roots release juglone, and tomatoes are on every sensitivity list. Keep beds well clear of the canopy.
Fennel foliage and seed are rich in trans-anethole, and extracts of them held back germination and seedling growth across a range of species in testing. Whole-plant effects at garden spacing are milder than the "fennel kills everything" reputation, but the chemistry is real — give it its own pot.
Same family, same late blight. One sick bed infects the other.
Corn earworm and tomato fruitworm are the same moth. Side by side, you're setting its table twice.
Flagged on the classic charts, mechanism murky. Skip the pairing if you've got the space.
The badge is the honesty. Trialed = a published field trial · Practical = a real mechanism · Traditional = companion-chart lore. These pairings hold for every tomato.
Pairings compiled from University of Minnesota Extension, USDA Agricultural Research Service (Salinas, CA), West Virginia University Extension, Penn State Extension, El-Kenany & El-Darier.
From university growing guides (see Sources).
Roma is the paste tomato that made paste tomatoes a household thing. It was bred in the mid-20th century as a compact, heavy-cropping plum for processing, and the everyday version on most seed racks — Roma VF — added resistance to Verticillium and Fusarium wilt, two soil diseases that wipe out a lot of older varieties.
It's not fancy, and that's the appeal: a short, tidy bush that turns out a wall of meaty, low-seed plums for sauce with almost none of the fuss an heirloom demands.
Roma is a cooking tomato, first and last. The flesh is thick and dry with few seeds, so it cooks down into sauce without watering out — quick to reduce, easy to peel, and reliable for canning whole.
Raw, it's fine but plain — meaty and mild, not the juicy slab you want on a sandwich. Grow a slicer for the plate and grow Roma for the pot: sauce, paste, salsa, and jars for the winter shelf.
Grow it like any tomato — full sun, steady water, regular feeding — with two easy-mode quirks.
It's determinate, so it stays a compact 3–4 ft bush and doesn't need the tall staking an heirloom does — a short cage or a stake is plenty. And because it's determinate, it sets its crop and ripens most of it in a tight window rather than trickling out until frost.
The one thing to watch is blossom-end rot — a sunken dark patch at the tip of the long fruit — which shows up when calcium and moisture swing. Mulch and keep the soil evenly moist. Set your zone on the tomato page and the calendar pins your start-and-plant-out dates.
This is the thing to know before you plant a row of them: a determinate like Roma ripens most of its crop within a couple of weeks. That's exactly what you want for canning — a wall of ripe plums all at once, enough to fill a batch of jars in an afternoon.
If you'd rather have a steady handful every week for cooking, stagger two or three plantings a few weeks apart, or pair Roma with an indeterminate. And have your jars, lids, and pot ready when the flush hits — it doesn't wait.
Blossom-end rot is the classic Roma complaint — a sunken, leathery dark patch on the bottom of the fruit. It isn't a disease or a pest; it's a calcium-and-water problem, the plant unable to move calcium into the fruit when the soil dries out and then floods. Mulch, water evenly and deeply, and the later fruit comes clean.
The other thing to expect is simply the end. As a determinate, Roma sets its crop, ripens it, and winds down — it won't keep going until frost the way an indeterminate does. When the bush is spent, pull it; stagger a second sowing a few weeks behind the first if you want a later batch.
People mix these up. San Marzano is thinner, meatier, lower-seed, and better-tasting in the pan — but it's an indeterminate that needs staking and gives its crop over a long season. Roma is the compact, disease-resistant determinate that's easier in every way and drops a one-shot harvest for canning.
Want the best sauce and don't mind the work? Grow San Marzano. Want a reliable canning crop with minimal fuss? Roma is hard to beat.
| Type | Plum Paste (sauce tomato) |
|---|---|
| Days to ripe | 65 days after you plant it outside |
| Color | Red |
| Fruit size | Small |
| Best for | Sauce, paste, and canning |
Extra fields from seed-catalog listings and university growing guides. Days to ripe and disease resistance shift with your climate and seed source — double-check with your local extension office before you buy.
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Determinate — a compact 3–4 ft bush that sets its crop and ripens most of it within a couple of weeks. It only needs a short cage or stake, and it's well-suited to a one-shot canning harvest rather than a season-long trickle.
San Marzano is thinner, meatier, lower-seed, and better-tasting for sauce, but it's an indeterminate that needs staking and crops over a long season. Roma is a compact, disease-resistant determinate that's easier to grow and ripens all at once — better for a canning weekend.
The long fruit is prone to it. Blossom-end rot is a sunken dark patch at the tip caused by uneven calcium and moisture. Keep the soil evenly moist and mulched, and it usually clears up.
You can, but it's a cooking tomato — dense and meaty with few seeds, better in the pan than raw. Grow it for sauce, paste, salsa and canning; grow a slicer for sandwiches and salads.
Browse more tomato varieties →
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