Boule d'Or

Family: Cucurbitaceae Vegetable

Boule d’Or brings a sunlit, honey-gold winter melon with a mellow, subtly sweet flavor and a creamy, fine-grained texture once fully matured.

The rind turns a rich golden warmth while the flesh stays tender and smooth, making it a standout for hearty winter preparations—roasting until fragrant, simmering into velvety sauces, or pickling for bright, tangy contrast. Grow for a reliable 90-day finish and the satisfying sight of a perfectly rounded, golden fruit set on a vigorous vine.

Light: Full SunMaturity: 90 DaysHabit: Vine

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

Crop Dates

Milestone	Date
Start Indoors	Apr 11th
Last Frost	Apr 25th
Transplant / Sow Outdoors	Apr 25th
Harvest Begins	Jul 24th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	90
Sun Requirements	Full Sun
Growth Habit	Vine
Support Needed	Trellis
Planting Depth	Normal
Germination Temp (°F)	75
Min Soil Temp (°F)	65
Min Night Temp (°F)	55
Harden Off (days)	12

Culinary Notes

Chef's Note

This winter melon earns its keep when it’s fully matured: it turns tender and creamy instead of watery, so it purées like silk and roasts into fragrant, spoonable gold. Balance the mellow honey with acid (lime) and heat (ginger/chile) so the sweetness reads as warm, not cloying.

Best Uses

roast until caramel-fragrant and spoonable for a warm winter side
simmer into a smooth purée or velvety soup base
stew cubes with aromatics for a gentle, comforting body
quick-pickle slices for tangy contrast against the melon’s sweetness

Flavor Profile

mellow sweetness honeyed aroma creamy, fine-grained flesh soft, custardy mouthfeel when fully matured

Kitchen Pairings

brown butter lime juice ginger chile flakes coconut milk black pepper

Frequently Asked Questions

How do I manage powdery mildew on Boule d’Or squash without harming the fruit?

Powdery mildew shows up as a white, dusty coating on Boule d’Or leaves, usually mid-season when days are warm and nights stay mild. Remove heavily infected leaves, then improve airflow by spacing plants and keeping vines off the damp ground. Spray with a labeled sulfur fungicide early in the morning, and reapply according to the label if new spots appear—avoid wetting the fruit and foliage late in the day.

How often should I water Boule d’Or during its main growing phase?

During the main vine growth and fruit-filling period, water deeply about 1–2 times per week, aiming for consistently moist soil 4–6 inches down. If you can press a trowel into the soil and it’s dry below the surface, water; if it stays cool and wet, hold off to prevent root stress. Focus water at the base of the plant (not the leaves) and reduce to lighter watering near harvest to help the rind cure.

When is Boule d’Or ready to harvest, and how do I confirm it?

Harvest Boule d’Or when the fruit rind is fully colored and hard enough that you can’t easily puncture it with your fingernail, typically about 90 days from sowing. The stem should look dry and slightly corky, and the squash should sound hollow when tapped lightly. If it’s still soft or the rind dents, leave it on the vine a bit longer.