When to Plant Artichoke in Whittier, California (90607)

Location

Whittier, California

ZIP Code

90607

USDA Zone

10b

Last Frost

Thursday, January 15, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Thursday, November 20, 2025

Transplant Outdoors

Thursday, January 29, 2026

Based on last frost Thursday, January 15, 2026 · Zone 10b

Pro tip: Start Artichoke seeds indoors 8 weeks before your last frost date, then transplant outdoors around Thursday, January 29, 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 Whittier?

Get your seeds now so they're ready by Thursday, November 20, 2025.

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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 Whittier, California? +

In Whittier (Zone 10b), start Artichoke seeds indoors around Thursday, November 20, 2025 and transplant outdoors around Thursday, January 29, 2026.

What is the last frost date for Whittier, California? +

The average last spring frost date for Whittier, California (ZIP 90607) is around Thursday, January 15, 2026. This is based on NOAA climate normals for USDA Zone 10b.

How long does Artichoke take to grow? +

Artichoke typically matures in about 150 days from transplanting. In Whittier, that means you can expect harvest around Thursday, January 29, 2026 plus 150 days.

Should I start Artichoke indoors or direct sow in California? +

Artichoke should be started indoors 8 weeks before your last frost date. In Whittier, that means starting around Thursday, November 20, 2025.

📚 More Artichoke Planting Guides

🗺️

Artichoke in California

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 10b Artichoke Guide

All cities in your zone · Avg dates

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Growing Artichoke in Zone 10b

Artichoke (Cynara scolymus) is a popular garden vegetable. In Whittier, California, which is in USDA Hardiness Zone 10b, you should start seeds indoors around Thursday, November 20, 2025.

Your average last frost date is Thursday, January 15, 2026. Plan to transplant your Artichoke seedlings outdoors around Thursday, January 29, 2026, about 2 weeks after your last frost date.