How to Grow Verte d'Étampes

Wikimedia Commons

Verte d'Étampes

Cucurbita maxima

vegetable

Verte d'Étampes is a classic French heirloom winter squash known for its distinctive flattened, ribbed shape and deep green skin. This decorative yet delicious variety produces medium-sized fruits (4-6 lbs) that store exceptionally well and have a sweet, dense orange flesh ideal for cooking.

When should you plant Verte d'Étampes in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Verte d'Étampes timeline →

Example Verte d'Étampes timeline · Pittsburgh, PA (Zone 6b)

Plant Verte d'Étampes
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest Verte d'Étampes
Around Jul 26

≈ 100 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Verte d'Étampes dates for your own zip code.

Growing Conditions

☀️

Sun: Full sun, 6-8 hours minimum daily; 8+ hours preferred for best fruit development

💧

Water: Deep, consistent watering; 1-2 inches per week depending on rainfall. Water at soil level to avoid fungal diseases. Reduce watering slightly as fruits mature to concentrate sugars.

📏

Spacing: 36-48 inches between plants; hills should be 48-60 inches apart inches

📅

Days to maturity: 100-120 days

🌱

Planting depth: 1 inch; plant 3-4 seeds per hill, thin to strongest plant after sprouting

Soil

Type: Rich, well-draining loamy soil with high organic matter

pH: 6.0-7.5

Amendments:

Compost aged manure peat moss or coconut coir perlite for drainage

Growing Zones

Find your zone →

Zones 5-9; can grow in zone 4 with extended season management

3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a

Get my Verte d'Étampes timeline →

Growth Stages

Seedling

2-3 weeks

Small vines with 2-3 true leaves emerge within 7-10 days. Cotyledons are heart-shaped, followed by deeply lobed true leaves.

Keep soil consistently moist but not waterlogged. Thin to strongest plant once true leaves appear. Provide 12+ hours of light daily if growing indoors.

Vegetative Growth

4-5 weeks

Vigorous vine growth with increasingly large lobed leaves. Long runners develop and spread across available space. Plant is establishing root system and leaf canopy.

Mulch around plants to retain moisture and suppress weeds. Ensure consistent watering. Feed with balanced fertilizer every 3 weeks. Remove competing weeds.

Flowering

3-4 weeks

Large, bright yellow trumpet-shaped flowers appear at leaf axils. Male flowers appear first, followed by female flowers (with small immature fruit behind the flower).

Ensure adequate pollinator access; plant attracts bees naturally. Do not remove flowers prematurely. Continue consistent watering. Switch to lower-nitrogen fertilizer to encourage fruiting.

Fruit Development & Maturation

6-8 weeks

Small green fruits rapidly enlarge and develop the characteristic flattened, ribbed shape and deep green color. Fruits mature from light green to dark green over 6-8 weeks.

Reduce watering slightly to concentrate sugars and harden skin. Support developing fruits if on slopes with straw or fabric. Ensure fruits do not sit directly on wet soil. Remove any diseased or damaged fruits.

Harvest & Storage

Variable; storage can extend 2-3 months

Fully mature fruits display deep forest green coloring with hard, thick skin resistant to fingernail puncture. Stem becomes woody and dries slightly.

Harvest when skin is hard and color is deep green; cut stem with sharp knife leaving 2-3 inch handle. Cure fruits in warm (70-80°F), well-ventilated space for 10-14 days before storage. Store in cool (50-55°F), dry location.

Companion Planting

Plan your garden →

Plant with:

corn pole beans peas nasturtium marigold borage radish lettuce

Avoid planting near:

fennel potatoes brassicas (excessive), aromatic herbs in large amounts

Common Pests

Wrap base of vines with aluminum foil; inject Bt (Bacillus thuringiensis) into stems; hand-remove borers; plant succession crops; grow resistant varieties if available
Ensure good air circulation; avoid overhead watering; apply sulfur or neem oil at first signs; remove affected leaves; space plants adequately
Hand-pick eggs and nymphs daily; use floating row covers early season; apply insecticidal soap; encourage parasitic wasps
Use row covers until flowering; apply neem oil or spinosad; hand-pick beetles; plant trap crops like radish nearby
Strong water spray to dislodge; insecticidal soap; encourage ladybugs and lacewings; apply neem oil if infestation develops

Uses

🍳

Roasting & Cooking

Culinary

Verte d'Étampes' dense, sweet orange flesh is ideal for roasting, puréeing into soups, or baking. The high sugar content and low water content make it superior to many modern squash varieties for cooking. [source]

🍳

Traditional French Cuisine

Culinary

This heirloom French variety is a classic ingredient in European autumn cooking, particularly in soups, gratins, and traditional French vegetable dishes. Its heritage makes it culturally and culinarily significant. [source]

🏠

Decorative Harvest & Storage Crop

Household

The distinctive flattened, ribbed shape and attractive deep green color make Verte d'Étampes excellent for fall decorations and display. Its excellent storage capacity allows for winter enjoyment. [source]

🏠

Long-Term Food Storage

Household

When properly cured and stored, Verte d'Étampes fruits remain edible for 2-3+ months, making it valuable for home food preservation and self-sufficiency. [source]

🎨

Fall Decorations & Seed Saving

Craft

The striking appearance makes it ideal for harvest decorations, and the abundance of large, viable seeds makes it excellent for seed-saving gardeners looking to preserve heirloom genetics. [source]

Harvest Tips

Harvest in late fall when skin is completely hardened (cannot puncture with fingernail) and color is deep, dark green. Cut fruits from vine with 2-3 inches of stem attached using a sharp knife. Leave 2-3 fruits on vine if possible to maximize final sugars. Cure harvested fruits in warm (70-80°F), well-ventilated location for 10-14 days to harden skin and extend storage life. Store in cool (50-55°F), dark, dry location with good air circulation; properly cured fruits store 2-3+ months.

Fun Facts

🌱 Verte d'Étampes (also called Potimarron in France) is depicted in the classic Impressionist painting 'Still Life with Pumpkin' and represents the iconic French autumn vegetable
🌱 The name 'Étampes' refers to a town south of Paris where this variety was traditionally cultivated and refined, making it a regionally significant French heirloom variety
🌱 Unlike modern hybrid squash, Verte d'Étampes is a true-breeding heirloom, meaning seeds saved from mature fruits will grow identical plants, allowing gardeners to preserve this variety indefinitely

Gardening Terms

New to gardening? Learn about terms used in this guide:

Full Sun Heirloom Mulch Runner True Leaves

Shop Verte d'Étampes plants and related plants at Plant Addicts →

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Verte d'Étampes planting timeline

Tell us your zip code and we'll calculate exactly when to start Verte d'Étampes seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Verte d'Étampes timeline →