When to Plant Asparagus in Oakland, California (94607)

Location

Oakland, California

ZIP Code

94607

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 Asparagus 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 Asparagus officinalis

Days to Maturity 730 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 8-21 days

Ready to Plant Asparagus in Oakland?

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

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🤝 Good Companions

TomatoAsterDillCorianderParsleyBasilComfreyMarigold

⚠️ Avoid Planting Near

OnionGarlicPotato

🤝

Full Companion Planting Guide for Asparagus

See which plants help Asparagus 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 red berries to ripen fully on female plants in late summer/fall.

Processing

Mash berries to release seeds, rinse, dry flat for 2 weeks.

Seed Viability

Up to 3 years when stored cool, dark, and dry.

Pro Tip

Asparagus is dioecious — only female plants produce berries. Male plants produce more spears, so save seed selectively.

Frequently Asked Questions

When should I plant Asparagus in Oakland, California? +

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

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

The average last spring frost date for Oakland, California (ZIP 94607) is around Thursday, January 15, 2026. This is based on NOAA climate normals for USDA Zone 10b.

How long does Asparagus take to grow? +

Asparagus typically matures in about 730 days from transplanting. In Oakland, that means you can expect harvest around Thursday, January 29, 2026 plus 730 days.

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

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

📚 More Asparagus Planting Guides

🗺️

Asparagus in California

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 10b Asparagus Guide

All cities in your zone · Avg dates

→

Other Plants for Oakland

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Growing Asparagus in Zone 10b

Asparagus (Asparagus officinalis) is a popular garden vegetable. In Oakland, 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 Asparagus seedlings outdoors around Thursday, January 29, 2026, about 2 weeks after your last frost date.