Grey

Family: Cucurbitaceae Vegetable

Velvety, slate-toned zucchini—Grey delivers a cool, smoky elegance with tender, mild flavor and a pleasantly crisp bite.

At about 45 days, the plants produce smooth, medium-length fruits with a refined, straight silhouette that stays deliciously young and never turns tough too quickly. Grow Grey for abundant, garden-fresh zucchini to showcase in summer displays and to inspire your favorite ways of serving—roasted, sautéed, or folded into sauces and pickles.

Light: Full SunMaturity: 45 DaysHabit: Vine

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

Crop Dates

Milestone	Date
Start Indoors	May 9th
Last Frost	Apr 25th
Transplant / Sow Outdoors	May 23rd
Harvest Begins	Jul 7th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	45
Sun Requirements	Full Sun
Growth Habit	Vine
Support Needed	Trellis
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	65
Min Night Temp (°F)	55
Harden Off (days)	12

Culinary Notes

Chef's Note

Grey zucchini stays young-tender fast, so you can lean on fast, hot cooking—browning without turning stringy. Its mild, cool flavor takes well to sharp acids (lemon/pickling brine) and salty dairy (parmesan/yogurt) that give it a clean, smoky-lift finish.

Best Uses

high-heat roasting on a single layer until browned at the edges
quick sauté for spring-summer side dishes that stay toothsome
thin ribbons in salads where the crisp bite holds under vinaigrette
quick pickles for tangy, briny crunch

Flavor Profile

cool, lightly smoky zucchini sweetness tender, mild flesh with a crisp snap velvety skin texture when young; not aggressively fibrous

Kitchen Pairings

lemon garlic olive oil parmesan basil yogurt

Frequently Asked Questions

How do I prevent and treat powdery mildew on Cucurbita pepo (zucchini)?

Powdery mildew often shows up on zucchini (Cucurbita pepo) as a white, powdery coating on leaves after warm days and cooler nights. Start by spacing plants for airflow and removing heavily infected leaves early to slow spread. If it’s actively expanding, spray an appropriate labeled fungicide for cucurbits and repeat on the label schedule, targeting the upper and lower leaf surfaces.

How often should I water grey zucchini (Cucurbita pepo) during the main growing period?

During flowering and fruit set, keep soil evenly moist but not soggy—water when the top 1 inch of soil starts to dry. Aim for deep watering that soaks the root zone, rather than frequent light sprinkling, and stop short of waterlogging because zucchini roots dislike constantly wet soil. In hot weather you may need watering every 2–3 days, but always adjust to your soil and rainfall so leaves don’t wilt from drought.

When is grey zucchini (Cucurbita pepo) ready to harvest?

Harvest zucchini when fruits are about 6–8 inches long and still tender, usually around 45 days from sowing depending on conditions. Check daily once they start producing—overgrown fruits become tougher and can reduce ongoing flowering. Use a sharp knife to cut the fruit from the vine, leaving a short stem so the plant can keep setting more zucchini.