When to Plant Artichoke 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, March 25, 2026

Transplant Outdoors

Wednesday, June 3, 2026

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

Pro tip: Start Artichoke seeds indoors 8 weeks before your last frost date, then transplant outdoors around Wednesday, June 3, 2026.

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🌿 Plant Details

Scientific Name Cynara scolymus

Days to Maturity 150 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 8-21 days

Ready to Plant Artichoke in Agate?

Get your seeds now so they're ready by Wednesday, March 25, 2026.

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🛠️ 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

Allow one head to fully bloom and dry on the plant — the thistle-like flower matures into seeds.

Processing

Let flower head dry completely on the plant, pull apart to find seeds at the base of each feathery strand.

Seed Viability

Up to 5 years when stored cool, dark, and dry.

Pro Tip

Seeds may not grow true to the parent variety — artichokes vary widely from seed. Crown division is more reliable.

Frequently Asked Questions

When should I plant Artichoke in Agate, North Dakota? +

In Agate (Zone 3b), start Artichoke seeds indoors around Wednesday, March 25, 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 Artichoke take to grow? +

Artichoke typically matures in about 150 days from transplanting. In Agate, that means you can expect harvest around Wednesday, June 3, 2026 plus 150 days.

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

Artichoke should be started indoors 8 weeks before your last frost date. In Agate, that means starting around Wednesday, March 25, 2026.

📚 More Artichoke Planting Guides

🗺️

Artichoke in North Dakota

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 3b Artichoke Guide

All cities in your zone · Avg dates

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Growing Artichoke in Zone 3b

Artichoke (Cynara scolymus) is a popular garden vegetable. In Agate, North Dakota, which is in USDA Hardiness Zone 3b, you should start seeds indoors around Wednesday, March 25, 2026.

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