When to Plant Acorn Squash in Agate, North Dakota (58310)

Location

Agate, North Dakota

ZIP Code

58310

USDA Zone

Last Frost

Wednesday, May 20, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Wednesday, April 22, 2026

Transplant Outdoors

Wednesday, June 3, 2026

Based on last frost Wednesday, May 20, 2026 · Zone 3b

Pro tip: Start Acorn Squash seeds indoors 4 weeks before your last frost date, then transplant outdoors around Wednesday, June 3, 2026.

Add to Calendar (.ics)

🌿 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 Agate?

Get your seeds now so they're ready by Wednesday, April 22, 2026.

🛒 Buy on Amazon 🌿 True Leaf Market

* Affiliate links — we may earn a small commission at no extra cost to you.

🤝 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

* Affiliate links — we may earn a small commission at no extra cost to you.

🌾 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 Agate, North Dakota? +

In Agate (Zone 3b), start Acorn Squash seeds indoors around Wednesday, April 22, 2026 and transplant outdoors around Wednesday, June 3, 2026.

What is the last frost date for Agate, North Dakota? +

The average last spring frost date for Agate, North Dakota (ZIP 58310) is around Wednesday, May 20, 2026. This is based on NOAA climate normals for USDA Zone 3b.

How long does Acorn Squash take to grow? +

Acorn Squash typically matures in about 85 days from transplanting. In Agate, that means you can expect harvest around Wednesday, June 3, 2026 plus 85 days.

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

Acorn Squash should be started indoors 4 weeks before your last frost date. In Agate, that means starting around Wednesday, April 22, 2026.

📚 More Acorn Squash Planting Guides

🗺️

Acorn Squash in North Dakota

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 3b Acorn Squash Guide

All cities in your zone · Avg dates

→

Other Plants for Agate

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 3b

Acorn Squash (Cucurbita pepo) is a popular garden vegetable. In Agate, North Dakota, which is in USDA Hardiness Zone 3b, you should start seeds indoors around Wednesday, April 22, 2026.

Your average last frost date is Wednesday, May 20, 2026. Plan to transplant your Acorn Squash seedlings outdoors around Wednesday, June 3, 2026, about 2 weeks after your last frost date.