How to Grow Pattypan Squash (Sunburst)
Cucurbita pepo var. clypeata 'Sunburst'
Pattypan Squash Sunburst is a compact warm-season variety prized for its unique, decorative fruit shapes that turn from green to vibrant yellow or orange as they mature. Gardeners grow this easy-to-cultivate squash not only for its delicious, tender flesh but also because it adds striking color and texture to summer gardens.
Starting Pattypan Squash (Sunburst): indoors or direct sow?
🌾 Sow directly in the garden — Pattypan Squash (Sunburst) is not usually started indoors.
Direct sow seeds outdoors only after all danger of frost has passed and soil temperatures have warmed sufficiently for germination.
Soil, care & harvest
Prepare loose, well-draining soil with a pH between 6.0 and 7.5 before planting. As a warm-season crop, you must wait until after the last spring frost when the soil has warmed up; do not sow indoors for transplanting as it is sensitive to cold. Sow seeds directly into the ground at a depth of about one inch. Expect germination to occur within seven to ten days under these warm conditions.
Space plants thirty-six inches apart in rows or hills to ensure proper air circulation and growth. While this variety grows low, providing support can help keep fruit off damp soil if desired. Maintain consistent moisture by watering one to two inches per week, ensuring the roots stay hydrated without becoming waterlogged. Apply mulch around the base to retain soil moisture and suppress weeds.
Watch for squash bugs, cucumber beetles, and aphids, which can be managed with row covers or hand-picking early in the season. Monitor for bacterial wilt, mosaic virus, and downy mildew by ensuring good airflow and avoiding overhead watering when possible. Harvest fruits fifty to sixty days after planting while they are small and tender, before the skin becomes tough.
When to Plant 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 Pattypan Squash (Sunburst)
✓ Good companions
Fixes nitrogen in soil to benefit heavy-feeding squash, completes Three Sisters guild
Strongly repels squash bugs, cucumber beetles, and other common squash pests
Provides vertical structure and shade, part of traditional Three Sisters planting
Attracts beneficial insects like parasitic wasps that prey on squash pest larvae
Deters squash bugs, cucumber beetles, and nematodes with their strong scent
Repels squash bugs, cucumber beetles, and aphids while attracting beneficial predatory insects
Repels squash vine borers and cucumber beetles, quick harvest before squash spreads
Provides shade and wind protection, attracts pollinators essential for squash fruit production
✗ Keep away from
Strong oils can inhibit squash growth and may interfere with pollinator attraction
Releases allelopathic compounds that inhibit squash growth and development
Compete for similar soil nutrients and space, both are heavy feeders that deplete soil
Nutrition Facts
Per 100g serving (USDA FoodData Central)
