Winter Green

Family: Cucurbitaceae Vegetable

A slow-summer treasure with a calm, velvety presence—Winter Green develops into deep, mossy green fruit with a subtly sweet, nutty flavor and a dense, spoonable flesh.

The skin turns richly matte and resilient in storage, while the interior becomes smooth and buttery in texture, ideal for hearty, warming preparations. Grow Winter Green for dependable late-season harvests and a pantry-ready squash that shines in roasts, purées, and savory pies, as well as for pickling-style preserves when you want a bold, green-tinted twist.

Light: Full SunMaturity: 95 DaysHabit: Vine

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	Apr 25th
Transplant / Sow Outdoors	May 9th
Harvest Begins	Aug 12th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	95
Sun Requirements	Full Sun
Growth Habit	Vine
Support Needed	Trellis
Planting Depth	Normal
Germination Temp (°F)	85
Min Soil Temp (°F)	65
Min Night Temp (°F)	55
Harden Off (days)	10

Culinary Notes

Chef's Note

Winter Green’s dense, spoonable flesh behaves like a culinary butter—roast it and it turns silky without getting stringy, perfect for thick puree and pie filling. The nutty, mildly sweet profile loves brown-butter richness and sharp vinegar heat, so it stands up to bold flavors instead of fading.

Best Uses

roasting until deeply caramelized at the edges, then scooping for thick puree
savory squash pie or galette filling (holds shape without turning watery)
thick, warming soup base where it blends into a velvety spoon coat
pickling-style green preserves for a tangy, vegetal-sweet contrast

Flavor Profile

subtly sweet, nutty flavor dense, buttery spoonable flesh mossy green-sweet aroma with a mild squash savoriness matte rind with a clean, roast-forward interior

Kitchen Pairings

brown butter sage garlic cider vinegar smoked bacon parmesan

Frequently Asked Questions

What pest or disease is most likely to hit Cucurbita maxima (winter squash like “Winter Green”), and what should I do first?

Watch for powdery mildew, a very common problem on Cucurbita maxima once vines fill in and humidity rises. Start by spacing plants to improve airflow, then spray a labeled fungicide that targets powdery mildew early (leaf symptoms often begin on older leaves). Remove heavily infected leaves and avoid overhead watering so new growth stays drier.

How often should I water Cucurbita maxima during the main growing phase, and what soil moisture level should I maintain?

During active vine growth (after flowering begins), water deeply about 1–2 times per week, only when the top 1–2 inches of soil feel dry. Aim to keep the root zone evenly moist but not soggy—water should soak down and then the soil should partially dry before the next watering. Once fruits are sizing up, reduce frequency slightly to prevent waterlogged roots and encourage better rind development.

How can I tell when Cucurbita maxima (“Winter Green”) is ready to harvest?

Harvest at about 95 days when the rind is hard enough that you can’t easily puncture it with your fingernail and the surface looks fully colored and firm. The vine also starts to dry back and the stem becomes more corky; use a sharp knife to cut with 2–3 inches of stem left attached. Cure the squash in a warm, dry place for about 7–14 days so the skin toughens for storage.