When to Plant Acorn Squash in Gouldsboro, Maine (04607)

Location

Gouldsboro, Maine

ZIP Code

04607

USDA Zone

Last Frost

Monday, April 20, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Monday, March 23, 2026

Transplant Outdoors

Monday, May 4, 2026

Based on last frost Monday, April 20, 2026 · Zone 6a

Pro tip: Start Acorn Squash seeds indoors 4 weeks before your last frost date, then transplant outdoors around Monday, May 4, 2026.

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🌿 Plant Details

Scientific Name Cucurbita pepo

Days to Maturity 85 days

Mature Height 12-18"

Spread 60"

Type Vine

Fruit Size Small-Medium (1-2 lbs)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1 inch/week)

↔️

Spacing

48" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 5-10 days

Ready to Plant Acorn Squash in Gouldsboro?

Get your seeds now so they're ready by Monday, March 23, 2026.

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🤝 Good Companions

CornBeanMarigoldNasturtium

⚠️ Avoid Planting Near

Potato

🤝

Full Companion Planting Guide for Acorn Squash

See which plants help Acorn Squash thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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🌾 Seed Saving Guide

🟡 Moderate

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Let fruit mature fully on the vine — cure for 1 month after harvest before extracting seeds.

Processing

Scoop seeds from cured squash, rinse, dry flat for 2 weeks.

Seed Viability

Up to 4 years when stored cool, dark, and dry.

Pro Tip

Acorn squash (C. pepo) crosses with zucchini, delicata, and other C. pepo squashes. Isolate by 500 feet.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 2 plants of Acorn Squash. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Acorn Squash in Gouldsboro, Maine? +

In Gouldsboro (Zone 6a), start Acorn Squash seeds indoors around Monday, March 23, 2026 and transplant outdoors around Monday, May 4, 2026.

What is the last frost date for Gouldsboro, Maine? +

The average last spring frost date for Gouldsboro, Maine (ZIP 04607) is around Monday, April 20, 2026. This is based on NOAA climate normals for USDA Zone 6a.

How long does Acorn Squash take to grow? +

Acorn Squash typically matures in about 85 days from transplanting. In Gouldsboro, that means you can expect harvest around Monday, May 4, 2026 plus 85 days.

Should I start Acorn Squash indoors or direct sow in Maine? +

Acorn Squash should be started indoors 4 weeks before your last frost date. In Gouldsboro, that means starting around Monday, March 23, 2026.

📚 More Acorn Squash Planting Guides

🗺️

Acorn Squash in Maine

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 6a Acorn Squash Guide

All cities in your zone · Avg dates

→

Other Plants for Gouldsboro

Blackberry Blueberry Raspberry Strawberry Basil Chamomile Chives Cilantro Dill Lavender Lemon Balm Marjoram Mint Oregano Parsley Rosemary Sage Tarragon Thyme Artichoke Arugula Asparagus Beefsteak Tomato Beet Bell Pepper Bok Choy Broccoli Brussels Sprout Butternut Squash Cabbage Cantaloupe Carrot Cauliflower Cayenne Pepper Celery Cherry Tomato Chili Pepper Collard Green Common Bean Cucumber Eggplant Endive Fennel Garlic Grape Tomato Green Bean Habanero Pepper Head Lettuce Heirloom Tomato Honeydew Melon Jalapeño Pepper Kale Kohlrabi Leaf Lettuce Leek Lima Bean Mustard Okra Onion Parsnip Pea Poblano Pepper Pole Pea Potato Pumpkin Radicchio Radish Rhubarb Roma Tomato Rutabaga Serrano Pepper Shallot Snap Pea Snow Pea Spaghetti Squash Spinach Squash Sweet Corn Sweet Potato Swiss Chard Tomato Turnip Watermelon Zucchini Sunflower Marigold Zinnia Nasturtium Cosmos Echinacea (Coneflower) Petunia Black-eyed Susan Apple Tree Pear Tree Peach Tree Plum Tree Sweet Cherry Tree Lemon Tree Borage Lemongrass Ginger Stevia Tomatillo Edamame Fava Bean Mâche Mizuna Sorrel Shishito Pepper Banana Pepper Watermelon Radish Napa Cabbage Popcorn Broccoli Raab Catnip Valerian Lemon Verbena Bee Balm Anise Lovage Chervil Summer Savory Dahlia Snapdragon Pansy Sweet Pea Morning Glory Hollyhock Larkspur Bachelor Button Columbine Impatiens Salvia (Annual) Sweet Alyssum Celosia Lupine Verbena Elderberry Grape Vine Red Currant Gooseberry Serviceberry Fig Tree Avocado Tree Persimmon Tree Olive Tree

Growing Acorn Squash in Zone 6a

Acorn Squash (Cucurbita pepo) is a popular garden vegetable. In Gouldsboro, Maine, which is in USDA Hardiness Zone 6a, you should start seeds indoors around Monday, March 23, 2026.

Your average last frost date is Monday, April 20, 2026. Plan to transplant your Acorn Squash seedlings outdoors around Monday, May 4, 2026, about 2 weeks after your last frost date.