SproutSmart
SproutSmart Intelligent Garden Sowing

Pruden's Purple

Family: Solanaceae Nightshade

Planting Schedule

Add Pruden's Purple to your garden to build a schedule and get reminders.

Sink your senses into Pruden’s Purple’s velvety, smoky-sweet aroma and the dramatic, wine-dark beauty of its fruit.

Beefsteak-sized tomatoes ripen to a dusky purple-brown with subtle green-gold undertones, offering a richly textured bite—juicy, meaty, and deeply flavored for standout heirloom performance. Grow Pruden’s Purple for bold slices and show-stopping sauces, where its complex color and savory depth shine in every pot and platter.

Light: Full SunMaturity: 90 DaysHabit: Indeterminate

Botanical illustration of Pruden's Purple

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

Crop Dates

MilestoneDate
Start IndoorsMar 7th
Last FrostApr 25th
Transplant / Sow OutdoorsJun 20th
Harvest BeginsSep 18th
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity90
Sun RequirementsFull SunFull sun
Growth HabitIndeterminate
Support NeededStake
Planting DepthDeep
Germination Temp (°F)75
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)10

Culinary Notes


Chef's Note

Pruden’s Purple leans beefsteak-meaty: when you slice it, you get a juicy, velvety chew that won’t turn to watery mush. It’s made for bold slicing and sauce work—its smoky-sweet aroma and dusky savoriness love fats (olive oil, cheese, cured pork) and sharp edges like garlic and black pepper.

Best Uses

  • thick slice for sandwiches where the tomato holds structure instead of slumping
  • high-heat blistering and quick char then finish with olive oil and salt
  • slow-simmered sauce to lean into its savory, wine-dark complexity
  • charred tomato salsa where its pulp stays chunky

Flavor Profile

smoky-sweet aroma juicy but dense, meaty flesh complex, savory depth with dusky acidity velvety bite with lots of seeds/gel

Kitchen Pairings

garlic olive oil aged balsamic vinegar fresh mozzarella black pepper bacon or pancetta

Frequently Asked Questions


What’s a common disease for Solanum lycopersicum (tomato) and what should I do if it shows up?
A frequent problem is early blight, which causes brown, concentric “target” spots on older leaves and can rapidly defoliate plants. Remove and discard affected leaves, avoid splashing soil onto foliage, and water at the base of the plant. If the disease is spreading, apply a labeled fungicide for tomatoes and reapply according to the product directions (especially after wet weather).
How often should I water during the main growing phase for Solanum lycopersicum to keep fruit from splitting?
During fruit set and the peak of ripening (about mid-season through maturity), keep soil consistently moist but not soggy. Water deeply about 1–2 times per week depending on heat and soil type, aiming for steady moisture at the root zone; sandy soils may need more frequent watering. Mulch around the plants to reduce swings, because irregular watering is a major cause of cracking and blossom-end issues.
How can I tell when Pruden's Purple tomato (Solanum lycopersicum) is ready to harvest?
Harvest when the fruit is fully colored (purple/near-black shoulders with a ripe red/pink gel inside depending on your strain) and gives slightly to gentle pressure. The best indicator is that the fruit comes off the vine easily with a light twist and looks glossy rather than matte. For peak flavor, pick at a consistent ripe stage—once mostly ripe, let it finish on the vine for only a short time and avoid over-drying on hot days.