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Squash · Moderate

How to Grow Connecticut Field Pumpkin

Cucurbita pepo 'Connecticut Field'

Connecticut Field Pumpkin is a classic heirloom squash prized for its massive, hard-shelled pumpkins perfect for carving or storage. Gardeners value this warm-season crop not only for its culinary potential but also as a striking ornamental addition to late summer gardens.

☀SunFull sun (6+ hours)
💧Water1-2 inches per week, deep watering
📅Harvest100-120 days
🗺Zones3–11
📏Height1-3 feet
Connecticut Field Pumpkin📷 Wikimedia Commons

Starting Connecticut Field Pumpkin: indoors or direct sow?

🌾 Sow directly in the garden — Connecticut Field Pumpkin is not usually started indoors.

Direct sow seeds outdoors only after all danger of frost has passed and soil temperatures are warm enough for germination.

Find your last frost date by ZIP code →

Soil, care & harvest

Prepare loose, fertile soil with a pH between 6.0 and 7.0. As a frost-sensitive warm-season crop, you must wait until after the last spring frost when the ground has warmed sufficiently; do not plant early. Sow seeds directly into the garden at a depth of about one inch. Expect germination to occur within seven to fourteen days under these ideal conditions.

Space plants sixty to seventy-two inches apart to ensure proper air circulation and growth room. These vines spread widely, so avoid trellising them as they are ground-hugging types. Provide consistent moisture of one to two inches per week via deep watering. Apply mulch around the base to retain soil heat and moisture while suppressing weeds.

Watch for squash bugs, cucumber beetles, and vine borers; use row covers early or inspect leaves regularly. Prevent powdery mildew and rot by ensuring good airflow and avoiding overhead watering. Harvest the pumpkins one hundred to one hundred twenty days after planting when they have fully matured and the rinds are hard.

When to Plant Connecticut Field Pumpkin

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 1 — July – August November – August
Zone 2 — June – August November – September
Zone 3 — June – July October
Zone 4 — June – July October
Zone 5 — May – June October
Zone 6 — May – June September – November
Zone 7 — April – June September – October
Zone 8 — April – May August – October
Zone 9 — March – April July – September
Zone 10 — February – April July – August
Zone 11 — January – March June – July
Zone 12 — January – March June – July
Zone 13 — January – March June – July

Companion Plants for Connecticut Field Pumpkin

✓ Good companions

Beans

Fixes nitrogen in soil to benefit heavy-feeding pumpkins, completes Three Sisters guild

Catnip

Strongly repels cucumber beetles, squash bugs, and flea beetles

Corn

Provides natural trellis support and shade, part of traditional Three Sisters planting

Marigolds

Repel cucumber beetles, squash bugs, and other pests that attack pumpkins

Nasturtiums

Act as trap crop for squash bugs and cucumber beetles, repel aphids

Oregano

Repels cucumber beetles and improves overall garden pest management

Radishes

Deter squash vine borers and cucumber beetles, mature quickly before pumpkins spread

Sunflowers

Attract beneficial insects and pollinators, provide windbreak protection

✗ Keep away from

Aromatic herbs

Strong herbs like sage can inhibit pumpkin growth and vine development

Brassicas

Cabbage family plants inhibit pumpkin growth and compete for nutrients

Potatoes

Compete for nutrients and space, both are heavy feeders requiring similar soil resources

Nutrition Facts

Per 100g serving (USDA FoodData Central)

26.0kcal
1.00gProtein
0.50gFiber
9.00mgVitamin C
0.80mgIron
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