Sunny Boy is an F1 hybrid tomato that brings sunshine to any garden with its vibrant golden-yellow fruits tipped in red. These globe-shaped, 8 to 10-ounce slicers reach harvest in just 80 days from transplant and grow on sturdy, upright plants that reach about 40 inches tall. Hardy in zones 8 to 10 (some sources report zone 9 as the upper limit), this warm-season annual thrives in full sun and produces remarkably sweet, flavorful fruits that are firm enough to transport without bruising. It's an excellent choice for garden plots, raised beds, and greenhouses where you want color, flavor, and reliable productivity packed into one plant.
24
Full Sun
Moderate
8-10
40in H x ?in W
—
High
Hover over chart points for details
Golden-yellow fruits with red tips create a striking two-tone effect that catches the eye in summer gardens and on the plate. The firm, globe-shaped fruits weigh 8 to 10 ounces and deliver intense sweetness with complex flavor, making them far more than just a pretty tomato. At 80 days to maturity, you'll be harvesting steadily throughout midsummer and fall, and the upright growth habit keeps plants tidy and manageable in smaller spaces. The sturdy stems support fruit reliably without excessive pruning, while semi-determinate growth means you get a sustained harvest rather than all-at-once ripening.
Sunny Boy shines as a fresh slicing tomato, where its sweetness and firm texture make it excellent for salads, sandwiches, and simple seasonal dishes that let the flavor speak for itself. The two-tone coloring also makes it visually striking for cut fruit platters or dishes where presentation matters. Its firmness when ripe means it handles transport well, so it's a natural choice for gardeners who want to share their harvest with friends or bring tomatoes to market.
No timeline data available yet for this variety.
Start seeds indoors 6 to 8 weeks before your last spring frost. Sow seeds 1/4 inch deep in warm, moist seed-starting mix kept at 70 to 75 degrees Fahrenheit. Seeds typically germinate in 7 to 10 days. Provide bright light as soon as seedlings emerge to prevent legginess.
Transplant seedlings outdoors after the last frost date when soil temperature reaches at least 60 degrees Fahrenheit (ideally 65 to 70 degrees). Harden off seedlings by gradually exposing them to outdoor conditions over 7 to 10 days before planting. Space plants 24 inches apart with 36 inches between rows. Bury the stem up to the first true leaves to encourage a stronger root system.
Harvest when fruits are fully yellow with red tipping and give slightly to gentle pressure. This typically occurs around 80 days from transplant. Fruits will be firm and fully flavored at peak ripeness. Twist or cut the stem gently to detach ripe tomatoes from the plant. Sunny Boy continues producing through fall, so harvest regularly to encourage more blooms and extend your harvest season.
Minimal pruning is needed on this semi-determinate variety. Remove the lowest leaves once the plant is established to improve air circulation and reduce disease pressure. Pinch off any side shoots below the first flower cluster if you want a single, tidier stem, but the upright, sturdy growth habit keeps the plant naturally manageable without aggressive pruning.
Enter your ZIP code to see a personalized growing calendar for this plant.