Principe Borghese Tomato
typical season: start indoors Feb – May · harvest Jul – Sep · set your climate
A traditional Italian drying tomato with clusters of small plum-shaped fruits, thick flesh, and low moisture.
On this pageOverview
Meet Principe Borghese Tomato
A traditional Italian drying tomato with clusters of small plum-shaped fruits, thick flesh, and low moisture. Principe Borghese is one of the most satisfying tomatoes to grow when your real goal is preserving, drying, and turning summer harvest into pantry ingredients. It brings a very different kind of pleasure than a giant heirloom slicer. Instead of waiting for a few dramatic fruits, you gather neat trusses and bowls of workable, concentrated tomatoes that naturally lend themselves to trays, jars, and preserving sessions. For gardeners who care about flavor beyond the moment of harvest, this variety is deeply practical. It links the tomato bed directly to the oven, dehydrator, pantry shelf, and winter kitchen in a way many juicier varieties never quite do.
When to plant Principe Borghese Tomato
Sow warm under lights, pot up promptly, and transplant deeply after hardening off. Even compact tomatoes benefit from deep planting that encourages a stronger root system and steadier summer fruiting.
Keep seedlings bright, compact, and moving. Principe Borghese is not difficult to start, but preserving varieties are much more satisfying when all the plants enter the season evenly and begin setting fruit in a coordinated way.
A careful hardening-off period matters just as much here as with bigger tomatoes. Plants that settle in smoothly give you earlier trusses and a more coherent preserving rhythm later in the season.
Your Principe Borghese Tomato Year
Composed for Zone 7 · typical seasons · frost passes Apr 2, returns Nov 1
Plant Principe Borghese Tomato Feb – May, pick Jul – Sep. Check the planting methods below and set your climate to personalize these windows.
Picking Principe Borghese Tomato this season? Its next window opens Feb 1
One email a few days before it opens where you garden and one two weeks before it closes — then one when it's safe to plant out, and one when the first pick is due. Plus one before the first autumn frost.
One email per milestone, never more than one a week. Unsubscribe with one tap. No account needed.
How to grow Principe Borghese Tomato
Start indoors 6-8 weeks before the last frost and transplant into full sun once nights are warm. Principe Borghese is more compact than giant slicers but still benefits from caging because it loads up with heavy trusses.
Keep growth steady early, then avoid overwatering once fruiting is heavy so the flesh stays concentrated. Moderate fertility, warm weather, and regular harvesting make this variety especially rewarding for preserving projects.
This is a preserve-first tomato, and it helps to grow it with that purpose clearly in mind. You are not trying to produce giant juicy sandwich fruit. You are aiming for dense, low-moisture tomatoes that dry beautifully, roast cleanly, and hold concentrated flavor after processing. Too much lush feeding or too much late-season irrigation pushes the plant away from that strength.
One of its pleasures is how practical the harvest feels. Instead of a few giant fruits, you get manageable trusses that naturally lend themselves to batches: one tray for drying, one bowl for roasting, one pan for preserving. It is the sort of tomato that makes the garden feel connected to the pantry rather than only to the salad bowl.
8 plants fit a 4 × 8 ft bed
Each Principe Borghese Tomato wants 50 cm of elbow room. The planner keeps that spacing for you — every plant, every bed.
Principe Borghese Tomato's best neighbours
Basil, onions, and marigolds are good companions. Compact plants can fit well into mixed herb-vegetable beds, and this variety often feels especially at home in productive Mediterranean-style kitchen plots.
Because Principe Borghese is grown for repeated batch harvests, leave enough room to reach whole trusses easily. Companion plants should frame the tomato, not hide the fruiting stems or tangle the support.
Avoid fennel and overcrowded heavy-feeding neighbors. The best layout is one where the plant stays open, harvest is efficient, and the fruit can move from vine to preserving basket without a fight.
Basil belongs beside it. Cabbage doesn't.
Old growers' knowledge, checked against Principe Borghese Tomato's real companion table below — test any plant you're growing.
Related growing guides
Feed it well
Use well-drained soil rich in compost with a pH of 6.0-6.8. Principe Borghese does best in a bed that supports steady early growth without turning the plant into a soft, overfed mass of foliage.
Moderate fertility is better than lush, high-nitrogen growth because concentrated preserving fruit is the goal. Too much water and too much nitrogen both push the plant toward larger, wetter, less useful fruit for drying and roasting.
A compost-based foundation, warm full sun, and measured feeding during fruit set create the right balance. Once the plant is loaded, the best management is usually consistent but not indulgent: enough water to prevent stress, not so much that concentration is lost.
Ideal Temperature
Hardiness Zone Compatibility
From seed to harvest, stage by stage
Seed Starting
Seeds germinate quickly in warm mix and produce rounded cotyledons followed by the first serrated true leaves.
Seedling Development
Young plants build a root system, thicken their stems, and form several sets of true leaves before transplanting time.
Vegetative Growth
Principe Borghese establishes quickly in warm soil and begins forming the vine structure that supports flowering and fruit set.
Flowering
Yellow flower clusters appear and self-pollinate more reliably when plants stay evenly watered and temperatures are not too extreme.
Fruit Development
Green fruit sizes up rapidly, and the plant diverts most of its energy into maintaining leaves, roots, and maturing clusters at the same time.
Ripening And Harvest
Principe Borghese reaches peak quality when color, texture, aroma, and internal ripeness all align rather than when the fruit merely looks mature.
Maintain 21-27°C (70-80°F) for fast germination and give bright light immediately to prevent weak, stretched seedlings.
Caring for Principe Borghese Tomato month by month
What to do each month for your Principe Borghese Tomato
October
You are herePick all usable fruit before frost, ripen mature green fruit indoors, and note which varieties delivered the best flavor and reliability.
Harvesting Principe Borghese Tomato
Harvest fully red and firm, either one fruit at a time or by whole trusses. For drying, pick before the fruit softens too much so the flesh remains dense and cleanly workable.
Unlike a luxury slicer, Principe Borghese is usually best when fully mature but still structured. You are looking for rich color and developed flavor, not for maximum softness. That gives you fruit that halves neatly, dries evenly, and roasts without collapsing into mush.
Whole-truss harvest is especially useful here. It simplifies preserving sessions and makes it easier to gather enough fruit for meaningful batches. If you wait too long and the fruits become overly soft, they are still perfectly usable for sauce but less ideal for drying and careful preserving work.
assuming you plant when the window opens — set your real date
Pick Principe Borghese Tomato promptly and the plant keeps producing.
Storage & Preservation
Excellent for dehydrating, slow-roasting, confit, and safe oil-packed preserving methods after full drying. Fresh fruits also hold better than many slicing tomatoes because their skins are relatively firm.
If you like pantry tomatoes, this is where the variety earns its keep. The fruits split neatly, lose water predictably, and retain strong flavor after drying. They are ideal for oven-drying, dehydrators, roasted freezer packs, and any preserving project where you want intensity rather than juice.
Fresh fruit also sits on the counter better than many soft slicers, which means you can accumulate enough harvest for a proper preserving session instead of feeling forced to process everything immediately. That small convenience matters a lot over a long summer.
What goes wrong — and the fix
Tomato Hornworm
PestLarge green caterpillars strip foliage rapidly and may scar or chew fruit if left unchecked.
Early Blight
DiseaseDark ringed leaf spots begin on lower foliage, followed by yellowing and gradual defoliation.
Blossom End Rot
DiseaseDark sunken patches form on the blossom end of developing fruit, often during periods of uneven watering.
Troubleshooting Common Problems
Too much water late in the season can reduce concentration and make fruits slower to dry. That does not mean the plant should be neglected, but it does mean this variety benefits from a preserving-minded grower who understands that watery fruit is the wrong outcome.
Heavy trusses may also bend stems if support is not sturdy enough. Because the fruits come in useful preserving clusters, the total weight adds up quickly and can surprise growers who assumed a smaller-fruited tomato would be easy to support.
The other common issue is simply harvesting too late for the intended use. Over-soft fruits are still edible, but they lose the firm structure that makes batch drying and clean halving so pleasant.
Growing Tips
- Wait until the soil is genuinely warm before transplanting. Tomatoes that sit in cold spring ground often lose weeks of momentum.
- Plant deeply so buried stem sections root along their length, giving better drought resilience and nutrient uptake.
- Use strong support from day one. Tomatoes are easier to manage when they are trained early rather than rescued later.
- Mulch heavily to stabilize soil moisture, reduce splash-borne disease, and protect flavor by preventing hard wet-dry swings.
- Water deeply rather than constantly sprinkling. Consistency matters far more than sheer volume.
- Do not overfeed with nitrogen once flowering begins, or you will get foliage at the expense of fruit.
- Harvest promptly in hot or wet weather, because quality can decline very quickly once fruit reaches peak ripeness.
- If your main goal is drying, reduce late-season watering slightly once the plant is well established and heavily fruiting.
- Harvest by the truss when possible to simplify preserving batches.
Pick your Principe Borghese Tomato
Principe Borghese
The classic Italian drying tomato grown for clusters of low-moisture preserving fruit.
Juliet
A modern saladette with similarly useful firmness and good keeping quality.
Pomodorino del Piennolo
Another Italian preserving tomato famous for hanging in bunches and storing well.
Drying tomatoes at home is expensive to replicate with store-bought specialty produce, so a few productive plants can replace a surprisingly costly pantry habit.
Quick recipes
Slow-Dried Tomato Halves
4 hrHalved fruits slowly dried with olive oil and herbs until deeply concentrated and chewy.
5 ingredientsRoasted Pantry Tomatoes
45 minA flexible tray-roast that produces intensely flavored tomatoes for pasta, toast, and grain bowls.
5 ingredientsAntipasti Tomato Crostini
20 minRoasted or dried fruits piled onto toasted bread for a concentrated appetizer.
5 ingredientsCulinary Uses
Outstanding for drying, roasting, antipasti, pantry jars, small-batch sauce, and any preserving project where low moisture and concentrated flavor matter.
This is the tomato you grow when you want to turn summer into ingredients. Slow-dried halves, roasted trays, confit, and intensely flavored antipasti all suit it better than casual fresh slicing. It feels naturally at home in the preserving kitchen.
That does not mean fresh use is off the table. It is pleasant in salads and especially good roasted warm with olive oil and garlic, but the real excitement starts once heat and time concentrate it into something pantry-worthy.
What's inside
Health Benefits
- Tomatoes supply antioxidants that help reduce oxidative stress, especially lycopene and related carotenoids.
- They are a strong source of vitamin C, which supports immune health, collagen formation, and improved iron absorption from meals.
- Their combination of water, fiber, and low calories makes them helpful for satiety and weight-conscious eating.
- Potassium in tomatoes supports healthy blood pressure regulation and proper muscle and nerve function.
- Tomatoes fit naturally into Mediterranean-style eating patterns that are consistently associated with better long-term health outcomes.
- Colored heirloom and specialty tomatoes broaden the antioxidant profile further through pigments such as anthocyanins and golden carotenoids.
Where Principe Borghese Tomato comes from
Principe Borghese comes from the Italian preserving tradition in which tomatoes were dried, hung, and stored to extend the flavor of summer into winter. It remains a favorite among gardeners who care as much about pantry preservation as fresh harvest.
Its reputation is rooted in practicality. Before refrigeration made year-round tomatoes ordinary, varieties that dried and stored well had obvious household value. Principe Borghese belongs to that tradition of tomatoes chosen not only for eating fresh, but for carrying flavor forward into colder months.
Modern gardeners often rediscover it for exactly the same reason. In a world full of showy slicers, it offers a direct link between the garden and the pantry, which gives it a very different and very durable appeal.
Principe Borghese Tomato: did you know?
Fascinating facts about Principe Borghese Tomato
Principe Borghese is one of the classic tomatoes grown specifically for drying rather than just fresh slicing.
Principe Borghese Tomato questions, answered
When should I plant Principe Borghese Tomato?
What are good companion plants for Principe Borghese Tomato?
What hardiness zones can Principe Borghese Tomato grow in?
How much sun does Principe Borghese Tomato need?
How far apart should I space Principe Borghese Tomato?
What pests and diseases affect Principe Borghese Tomato?
How do I store Principe Borghese Tomato after harvest?
What are the best Principe Borghese Tomato varieties to grow?
What soil does Principe Borghese Tomato need?
Why is Principe Borghese so popular for drying?
Can I still eat Principe Borghese fresh?
Do I need special equipment to preserve this variety?
Plant these alongside Principe Borghese Tomato
More Nightshades
Keep Principe Borghese Tomato away from these
Grow your best Principe Borghese Tomato yet — and everything around it.
Start a free plan today. Lay out your beds, drop in your Principe Borghese Tomato, and let PlotMyGarden handle the timing, spacing, companions and reminders from seed to harvest basket.
