The Sart Roloise tomato is a stunning heirloom that looks like edible stained glass, with deep indigo blue brushstrokes layered over warm red tones. This indeterminate variety matures in 85 to 90 days from transplants and produces medium-sized fruits weighing around 284 grams (10 ounces). Beyond its breathtaking appearance lies an equally impressive flavor profile: a complex blend of sweet, fruity, and tropical notes with just the right acidity, thanks to its heritage parentage from White Wonder and Baby Blue tomatoes. Plant it in full sun with 24 inches of spacing, and you'll have a prolific vine that keeps producing throughout the season.
Full Sun
Moderate
3-12
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These gorgeous globes shimmer with the jeweled tones of a stained glass window, but their real power lies in the flavor. The Sart Roloise delivers a tropical sweetness layered with fruity complexity and balanced acidity that tastes nothing like the bland supermarket tomatoes most gardeners grew up eating. It's the kind of tomato that makes you slow down and savor each bite, and the visual drama on the vine makes it worthy of a prominent spot in your garden.
The Sart Roloise shines when sliced and eaten fresh, where its jewel-like appearance on the plate is as important as its flavor. The tropical sweetness and balanced acidity make it exceptional for fresh salads, where the subtle pineapple notes can shine alongside greens and vinaigrettes. Its size and firm structure also suit sauce-making and canning, though many gardeners find eating these beauties raw simply too rewarding to process them.
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Start seeds indoors 6 to 8 weeks before your last spring frost. Maintain a soil temperature of 60 degrees Fahrenheit for germination, which typically occurs within 7 to 10 days. Use a seed-starting mix that drains well and provides gentle bottom heat if your home is cool.
Harden off seedlings over 7 to 10 days by gradually exposing them to outdoor conditions. Transplant outdoors after all danger of frost has passed and soil has warmed to at least 60 degrees Fahrenheit. Space plants 24 inches apart in their final location, burying the stem deeply to encourage stronger root development.
Harvest fruits when they're fully colored, with the characteristic deep red base and indigo blue brushstrokes fully developed. Ripe tomatoes should yield slightly to gentle pressure but still feel firm. Twist gently and pull fruits from the vine, or use pruning shears to avoid damaging the plant. For the sweetest flavor, wait until fully ripe on the vine, though you can pick mature green or breaker-stage fruits if frost threatens and ripen them indoors.
Because this is an indeterminate variety that grows tall and continuously, selective pruning helps channel energy into fruit production and improves air circulation. Remove suckers (the shoots that grow between the main stem and branches) on lower portions of the plant to maintain an open form and reduce disease pressure. As the season progresses, you can lightly remove lower leaves that touch the soil to minimize disease risk, but avoid aggressive defoliation that would expose developing fruit to sunburn.
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“The Sart Roloise represents an intentional cross between two distinctive heirloom varieties: White Wonder, which brings honeyed pineapple sweetness, and Baby Blue, which contributes the striking deep indigo blue coloring that makes this tomato visually arresting. This deliberate breeding preserved the best traits of both parents while creating something entirely new, a variety that bridges flavor complexity with ornamental beauty. The result is a tomato that honors heirloom traditions while delivering the kind of culinary excitement that modern gardeners crave.”