When to Plant Napa Cabbage in Fresno, California (93708)

Location

Fresno, California

ZIP Code

93708

USDA Zone

Last Frost

Tuesday, February 10, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Tuesday, December 30, 2025

Transplant Outdoors

Tuesday, February 24, 2026

Based on last frost Tuesday, February 10, 2026 · Zone 9b

Pro tip: Start Napa Cabbage seeds indoors 6 weeks before your last frost date, then transplant outdoors around Tuesday, February 24, 2026.

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🌿 Plant Details

Scientific Name Brassica rapa subsp. pekinensis

Days to Maturity 70 days

Mature Height 12-18"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 4-7 days

Ready to Plant Napa Cabbage in Fresno?

Get your seeds now so they're ready by Tuesday, December 30, 2025.

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🤝 Good Companions

BeetOnionCeleryCucumber

⚠️ Avoid Planting Near

StrawberryTomatoPepper

🤝

Full Companion Planting Guide for Napa Cabbage

See which plants help Napa Cabbage 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

Allow heads to bolt in spring heat. Harvest seed pods when tan and dry.

Processing

Thresh dried seed stalks, winnow to separate seeds.

Seed Viability

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

Pro Tip

Brassica rapa — crosses with bok choy, turnip, and other rapa crops. Isolate by 300 feet.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 14 plants of Napa Cabbage. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Napa Cabbage in Fresno, California? +

In Fresno (Zone 9b), start Napa Cabbage seeds indoors around Tuesday, December 30, 2025 and transplant outdoors around Tuesday, February 24, 2026.

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

The average last spring frost date for Fresno, California (ZIP 93708) is around Tuesday, February 10, 2026. This is based on NOAA climate normals for USDA Zone 9b.

How long does Napa Cabbage take to grow? +

Napa Cabbage typically matures in about 70 days from transplanting. In Fresno, that means you can expect harvest around Tuesday, February 24, 2026 plus 70 days.

Should I start Napa Cabbage indoors or direct sow in California? +

Napa Cabbage should be started indoors 6 weeks before your last frost date. In Fresno, that means starting around Tuesday, December 30, 2025.

📚 More Napa Cabbage Planting Guides

🗺️

Napa Cabbage in California

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 9b Napa Cabbage Guide

All cities in your zone · Avg dates

→

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Growing Napa Cabbage in Zone 9b

Napa Cabbage (Brassica rapa subsp. pekinensis) is a popular garden vegetable. In Fresno, California, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Tuesday, December 30, 2025.

Your average last frost date is Tuesday, February 10, 2026. Plan to transplant your Napa Cabbage seedlings outdoors around Tuesday, February 24, 2026, about 2 weeks after your last frost date.