When to Plant Parsley 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 Parsley 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 Petroselinum crispum

Days to Maturity 75 days

Mature Height 12-18"

Spread 12"

Type Leaf

Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (keep moist)

↔️

Spacing

12" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 14-28 days

Ready to Plant Parsley in Whittier?

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

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🤝 Good Companions

AsparagusTomatoCornRose

🤝

Full Companion Planting Guide for Parsley

See which plants help Parsley 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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Common Parsley Varieties

Popular cultivars to look for at your local nursery or seed supplier.

Italian Flat-Leaf

open-pollinated

Preferred by chefs for its bold flavor; better for cooking than curly varieties.

Curly Parsley

open-pollinated

Decorative tightly ruffled leaves; mild flavor, popular as a garnish.

Giant Italian

open-pollinated

Large, productive flat-leaf variety with exceptional flavor; vigorous grower.

🌾 Seed Saving Guide

🟡 Moderate

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Parsley is biennial — it flowers in year 2. Harvest seed heads when fully brown and dry.

Processing

Cut seed heads into a bag, allow to fully dry, shake out seeds.

Seed Viability

Up to 2 years when stored cool, dark, and dry.

Pro Tip

Parsley must overwinter to produce seed. In cold climates, mulch heavily or pot and bring indoors through winter.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 32 plants of Parsley. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Parsley in Whittier, California? +

In Whittier (Zone 10b), start Parsley 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 Parsley take to grow? +

Parsley typically matures in about 75 days from transplanting. In Whittier, that means you can expect harvest around Thursday, January 29, 2026 plus 75 days.

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

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

📚 More Parsley Planting Guides

🗺️

Parsley in California

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 10b Parsley Guide

All cities in your zone · Avg dates

→

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Growing Parsley in Zone 10b

Parsley (Petroselinum crispum) 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 Parsley seedlings outdoors around Thursday, January 29, 2026, about 2 weeks after your last frost date.