Sunburst Squash is a buttery-yellow hybrid pattypan that brings a touch of elegance to summer gardens and dinner tables alike. Unlike standard zucchini, this variety develops the distinctive scalloped edges characteristic of pattypan squash, with thin skin that's ready to harvest when fruits reach just 2-3 inches wide. Bush growth keeps the plant compact at 24-30 inches tall, making it excellent for gardeners working with limited space. From seed to first harvest takes just 50-59 days, and the plant produces steadily throughout the season. Hardy across zones 3-13 and thriving in full sun, Sunburst delivers both visual appeal and surprisingly nuttier flavor that elevates it beyond typical summer squash.

Photo © True Leaf Market
48
Full Sun
Moderate
3-13
30in H x ?in W
—
High
Hover over chart points for details
The real standout here is how Sunburst manages to be both compact and prolific. Bush plants stay low enough for tight spaces while producing continuously all summer long, rewarding the gardener who stays on top of harvesting. The thin skin and small, tender fruits at 2-3 inches are a welcome departure from the tough, watery giants that overgrown zucchini become. Pick them young, and you get that buttery texture and nutty flavor that reminds you why summer squash earned its place in the garden in the first place.
Young Sunburst squash are best enjoyed sautéed whole or halved, where their tender flesh and thin skin require minimal prep. The small, delicate fruits are excellent raw in salads, lightly grilled, or roasted until golden. Their elegant scalloped shape makes them particularly striking when halved and stuffed with grains, vegetables, or cheese, turning a simple summer squash into something worthy of a dinner party plate.
No timeline data available yet for this variety.
Direct sow Sunburst seeds outdoors after all danger of frost has passed and soil temperatures reach at least 60°F (ideally 70°F or warmer). Plant seeds 1 inch deep in full sun in well-prepared soil rich in organic matter.
Harvest Sunburst squash when fruits are 2-3 inches wide and the skin is still tender and glossy; at this stage, the flesh is most buttery and the seeds barely developed. Pick every 2-3 days once production begins to encourage continued flowering and fruiting throughout the season. Use a sharp knife or pruners to cut the stem cleanly, leaving a short handle attached to the fruit. Waiting for larger fruits results in tougher skin, watery flesh, and reduced overall productivity.
Enter your ZIP code to see a personalized growing calendar for this plant.