How to Grow Yellow Pattypan Squash (Sunburst)
Cucurbita pepo 'Sunburst'
Yellow Pattypan Squash Sunburst is a vibrant warm-season addition to your garden that produces distinctive, scalloped yellow fruits. Gardeners prize this variety for its unique appearance and tender flesh, making it an excellent choice for summer harvests.
📷 Wikimedia CommonsStarting Yellow Pattypan Squash (Sunburst): indoors or direct sow?
🌾 Sow directly in the garden — Yellow Pattypan Squash (Sunburst) is not usually started indoors.
This plant is a warm-season crop that requires soil warmth; sow seeds directly outdoors only after all danger of frost has passed.
Soil, care & harvest
Prepare loose, well-draining soil with a pH between 6.0 and 7.0 before planting. As a warm-season crop, you must wait until after the last spring frost when the soil is sufficiently warm to avoid damage. Sow seeds directly into the ground at a depth of about one inch, as they typically germinate within seven to ten days.
Space plants thirty-six to forty-two inches apart to ensure proper air circulation and growth. Provide consistent moisture, aiming for one to two inches per week, and apply mulch to retain soil temperature. Feed the plants regularly during the growing season to support heavy fruit production throughout the summer months.
Watch for squash bugs, cucumber beetles, aphids, powdery mildew, downy mildew, and mosaic virus. Prevent issues by inspecting leaves frequently and practicing crop rotation. Harvest the yellow fruits fifty to fifty-five days after planting when they are firm but still tender for the best flavor.
When to Plant Yellow Pattypan Squash (Sunburst)
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | — | July – August | September – August |
| Zone 2 | — | June – August | September |
| Zone 3 | — | June – July | August – October |
| Zone 4 | — | June – July | August – October |
| Zone 5 | — | May – June | August – September |
| Zone 6 | — | May – June | July – September |
| Zone 7 | — | April – June | July – August |
| Zone 8 | — | April – May | June – August |
| Zone 9 | — | March – April | May – July |
| Zone 10 | — | February – April | May – June |
| Zone 11 | — | January – March | April – May |
| Zone 12 | — | January – March | April – May |
| Zone 13 | — | January – March | April – May |
Companion Plants for Yellow Pattypan Squash (Sunburst)
✓ Good companions
Fix nitrogen in soil for heavy-feeding squash and provide natural pest deterrent
Strongly repels squash bugs, cucumber beetles, and ants
Provides natural trellis structure and shade, traditional Three Sisters companion
Attracts beneficial insects like parasitic wasps that prey on squash pests
Deters squash vine borers, aphids, and whiteflies with their strong scent
Repels squash bugs, cucumber beetles, and aphids while attracting beneficial predatory insects
Repels cucumber beetles and provides general pest protection with aromatic oils
Repels squash vine borers and cucumber beetles, quick harvest before squash spreads
✗ Keep away from
Heavy nitrogen feeders that compete with squash and may stunt growth
Inhibits growth of most garden plants including squash through allelopathic compounds
Compete for similar nutrients and space, both are heavy feeders that deplete soil
Nutrition Facts
Per 100g serving (USDA FoodData Central)
