Spark

Pumpkin

Zone 10a Save Garden

🌱 95d to harvest Vine

Aromas of sun-warmed squash rise from the garden as Spark’s miniature pumpkins ripen to a vivid, lantern-bright glow—sweet, rich,…

Crop Dates

Milestone	Date
Start Indoors	Feb 27th
Last Frost	Jan 16th
Transplant / Sow Outdoors	Mar 13th
Harvest Begins	Jun 16th
Harvest Ends	Dec 19th

Crop Details

Trait	Value
Days to Maturity	95
Sun Requirements	Full Sun
Growth Habit	Vine
Support Needed	Trellis
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	70
Min Night Temp (°F)	55
Harden Off (days)	12

Recommended Companions

Alaska Mix Nasturtium

Moonsong Deep Orange Marigold

Frequently Asked Questions

What pest or disease most commonly affects Cucurbita pepo (squash types like “Spark”), and what should I do if I see it?

For Cucurbita pepo, squash vine borers and powdery mildew are common. Check vines near the soil line for sawdust-like frass and wilting; remove and destroy infested sections and protect nearby stems with a soil collar to help prevent new egg-laying. If you see powdery mildew (white, dusty patches on leaves), improve airflow with wider spacing and remove heavily infected leaves early so it doesn’t spread through the canopy.

How often should I water Cucurbita pepo during the main growing phase?

During active vine growth and fruit filling, water deeply enough to moisten the root zone, typically about 1 inch per week total (more in hot, windy weather). Water at the base in the morning and keep leaves as dry as possible to reduce mildew risk. Don’t let the soil stay waterlogged—Cucurbita pepo prefers consistently moist but not soggy soil, so adjust when drainage is slow.

How can I tell when Cucurbita pepo (about 95 days) is ready to harvest?

Harvest when the fruit skin is fully colored and hard enough that you can’t easily dent it with a fingernail. Look for the days-to-maturity window (around 95 days) plus a drying, corky stem—cut with a sharp knife and leave a short stem attached. For best eating quality, don’t wait until the vines start to fully collapse; harvest before the fruit over-ripens on the plant.

Aromas of sun-warmed squash rise from the garden as Spark’s miniature pumpkins ripen to a vivid, lantern-bright glow—sweet, rich, and pleasantly nutty. The fruits are compact and firm with a smooth, satin-skinned rind that deepens in color as the season turns, holding their shape beautifully for roasting and hearty autumn preparations. Grow Spark for showy, harvest-ready color and for versatile use in seasonal roasts, purées, and spiced preserves—an edible centerpiece that’s as satisfying to grow as it is to serve.

Sowing Tips

Transplant Conditions

Wait until soil reaches 70°F and nights stay above 55°F before moving outdoors. Harden off for 12 days first.

Direct Sow Preferred

Sensitive roots — does not transplant well. If starting indoors, use biodegradable pots and disturb roots as little as possible when moving outdoors.

Expert Note

For the sweetest, best-shaped small fruit, keep soil evenly moist and give plenty of space so vines aren’t crowded.