Heirloom

Zucchini Grey

Cucurbita pepo 'Grey'

A distinctive heirloom zucchini with beautiful mottled grey-green skin that stands out in any garden. This productive variety produces tender, flavorful fruits with creamy white flesh that's excellent for both fresh eating and cooking. The unique coloring and reliable production make it a favorite among gardeners who want something different from the typical green zucchini.

Harvest

50-55d

Days to harvest

📅

Sun

White-Tailed Deer

☀️

Zones

3–11

USDA hardiness

🗺️

Height

1-3 feet

📏

Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct Sow

Harvest

Direct Sow

Harvest

Showing dates for Zucchini Grey in USDA Zone 7

All Zone 7 squash →

Zone Map

Click a state to update dates

Zucchini Grey · Zones 3–11

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing36-48 inches

SoilRich, well-drained loam with compost

pH6.0-7.5

Water1-2 inches per week, deep watering

SeasonWarm season

FlavorMild, sweet, and tender with fine texture

ColorMottled grey-green with darker stripes

Size6-8 inches long, 2-3 inches diameter

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
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

Complete Growing Guide

Light: White-Tailed Deer. Soil: High Organic Matter, Loam (Silt). Soil pH: Neutral (6.0-8.0). Drainage: Good Drainage, Moist. Height: 1 ft. 0 in. - 3 ft. 0 in.. Spread: 2 ft. 0 in. - 25 ft. 0 in.. Spacing: 12 inches-3 feet. Growth rate: Rapid. Maintenance: var. CylindricaZucchini Squash, var. Cylindrica. Propagation: Seed. Regions: Coastal, Mountains, Piedmont.

Harvesting

A type of berry called a pepo that has a hard rind. Fruits may be long or round, large or small, smooth or warty– some have edible flesh and some are too hard or insipid to eat, though the seeds of all are edible. Has a harder, thicker stem compared to other species.

Color: Black, Cream/Tan, Gold/Yellow, Green, Orange, Pink, Red/Burgundy, Variegated, White. Type: Berry. Length: > 3 inches. Width: > 3 inches.

Garden value: Edible, Showy

Harvest time: Fall

Bloom time: Summer

Storage & Preservation

Fresh Grey zucchini keeps best stored unwashed in a perforated plastic bag in your refrigerator's crisper drawer for 4-7 days. For counter storage, keep them in a cool, dry place for 2-3 days maximum. The tender skin of this variety makes it more perishable than thick-skinned winter squashes.

For preserving, shredding and freezing works exceptionally well for this variety — blanch shredded zucchini for 1 minute, drain thoroughly, then freeze in measured portions perfect for baking. You can also slice and dehydrate Grey zucchini into chips, though the high water content requires thorough drying. This variety pickles beautifully due to its tender texture and mild flavor — try quick refrigerator pickles or traditional canned pickles for winter storage.

History & Origin

Origin: North America

Advantages

+Fast-growing

Companion Plants

Plant Together

Nasturtiums

Acts as trap crop for squash bugs and cucumber beetles, repels aphids

Marigolds

Deters cucumber beetles, squash bugs, and nematodes with natural compounds

Radishes

Repels squash vine borers and cucumber beetles, breaks up soil

Beans

Fixes nitrogen in soil for heavy-feeding squash, provides ground cover

Corn

Provides vertical structure and shade, part of Three Sisters planting

Catnip

Strongly repels squash bugs, cucumber beetles, and other pests

Dill

Attracts beneficial insects that prey on squash pests

Oregano

Repels cucumber beetles and provides general pest deterrent

Keep Apart

Potatoes

Competes for similar nutrients and space, may harbor similar pests

Fennel

Inhibits growth of most vegetables including squash through allelopathy

Melons

Attracts same pests and diseases, creates overcrowding competition

Nutrition Facts

Calories

21kcal(1%)

Protein

2.71g(5%)

Fiber

1.1g(4%)

Carbs

3.11g(1%)

Fat

0.4g(1%)

Vitamin C

34.1mg(38%)

Vitamin A

25mcg(3%)

Iron

0.79mg(4%)

Calcium

21mg(2%)

Potassium

459mg(10%)

Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #168565)

Pests & Disease Resistance

Resistance

Moderate resistance to common squash diseases

Common Pests

Squash bugs, cucumber beetles, vine borers

Diseases

Powdery mildew, bacterial wilt, downy mildew

Frequently Asked Questions

How long does Grey zucchini take to grow from seed to harvest?▼

Grey zucchini typically takes 50-55 days from seed to first harvest. You'll see the first flowers around 35-40 days after planting, with harvestable fruits appearing about 7-10 days after successful pollination. In ideal growing conditions with warm soil and full sun, some gardeners report first harvests as early as 45 days from planting.

Is Grey zucchini good for beginner gardeners?▼

Yes, Grey zucchini is excellent for beginners. It's rated as an easy-to-grow variety with reliable germination, steady production, and moderate disease resistance. The main challenge for new gardeners is learning to harvest frequently enough — check plants every 1-2 days once production starts. The variety is forgiving of minor watering inconsistencies and grows well in average garden soil.

Can you grow Grey zucchini in containers?▼

Absolutely! Grey zucchini adapts well to container growing. Use a container at least 20 gallons with drainage holes, and place it in a location receiving 6-8 hours of direct sunlight. You'll need to water more frequently than garden-planted squash and fertilize every 2-3 weeks. Container plants may produce slightly fewer fruits but will still give you an abundant harvest throughout the season.

What does Grey zucchini taste like compared to green zucchini?▼

Grey zucchini has a mild, slightly sweet flavor very similar to traditional green zucchini, but many gardeners find it has a more tender texture and finer grain. The flesh remains creamy white and maintains its delicate texture even when fruits grow larger. It's excellent for baking applications where you want minimal vegetable flavor but added moisture and nutrition.

When should I plant Grey zucchini seeds?▼

Plant Grey zucchini seeds after soil temperature consistently reaches 65°F, typically 1-2 weeks after your last frost date. For most regions, this means late May through early June. If starting indoors, begin seeds 2-3 weeks before your last frost date. In warm climates, you can succession plant every 2-3 weeks through mid-summer for continuous harvest.

Grey zucchini vs green zucchini — what's the difference?▼

The main differences are appearance and texture. Grey zucchini features distinctive mottled grey-green skin that's more tender than most green varieties, making it slightly more perishable but also more delicate in texture. Growing requirements, harvest timing, and basic care are essentially identical. Grey varieties tend to be heirloom types, so you can save seeds, while many green zucchinis are hybrid varieties.