When to Plant Chervil in Chula Vista, California (91921)

Location

Chula Vista, California

ZIP Code

91921

USDA Zone

10b

Last Frost

Thursday, January 15, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Thursday, December 18, 2025

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

Pro tip: Sow Chervil directly outdoors 4 weeks before your last frost date.

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🌿 Plant Details

Scientific Name Anthriscus cerefolium

Days to Maturity 50 days

Mature Height 12-24"

Spread 9"

☀️ Growing Requirements

☀️

Sun

Partial Shade (3-4 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

9" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 7-14 days

Ready to Plant Chervil in Chula Vista?

Get your seeds now so they're ready by Thursday, December 18, 2025.

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🤝 Good Companions

RadishLettuceBroccoli

🤝

Full Companion Planting Guide for Chervil

See which plants help Chervil thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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🌾 Seed Saving Guide

🟢 Easy

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Harvest seed heads when dry and light tan — they shatter quickly.

Processing

Cut into a bag, dry briefly, shake to release needle-like seeds.

Seed Viability

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

Pro Tip

Chervil is best sown fresh — seed viability drops significantly after 1 year.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 56 plants of Chervil. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Chervil in Chula Vista, California? +

In Chula Vista (Zone 10b), direct sow Chervil outdoors around Thursday, December 18, 2025.

What is the last frost date for Chula Vista, California? +

The average last spring frost date for Chula Vista, California (ZIP 91921) is around Thursday, January 15, 2026. This is based on NOAA climate normals for USDA Zone 10b.

How long does Chervil take to grow? +

Chervil typically matures in about 50 days from direct sowing. In Chula Vista, that means you can expect harvest around Thursday, December 18, 2025 plus 50 days.

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

Chervil does best when direct sown outdoors. In Chula Vista, sow directly around Thursday, December 18, 2025.

📚 More Chervil Planting Guides

🗺️

Chervil in California

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 10b Chervil Guide

All cities in your zone · Avg dates

→

Other Plants for Chula Vista

Blackberry Blueberry Raspberry Strawberry Basil Chamomile Chives Cilantro Dill Lavender Lemon Balm Marjoram Mint Oregano Parsley Rosemary Sage Tarragon Thyme Acorn Squash Artichoke Arugula Asparagus Beefsteak Tomato Beet Bell Pepper Bok Choy Broccoli Brussels Sprout Butternut Squash Cabbage Cantaloupe Carrot Cauliflower Cayenne Pepper Celery Cherry Tomato Chili Pepper Collard Green Common Bean Cucumber Eggplant Endive Fennel Garlic Grape Tomato Green Bean Habanero Pepper Head Lettuce Heirloom Tomato Honeydew Melon Jalapeño Pepper Kale Kohlrabi Leaf Lettuce Leek Lima Bean Mustard Okra Onion Parsnip Pea Poblano Pepper Pole Pea Potato Pumpkin Radicchio Radish Rhubarb Roma Tomato Rutabaga Serrano Pepper Shallot Snap Pea Snow Pea Spaghetti Squash Spinach Squash Sweet Corn Sweet Potato Swiss Chard Tomato Turnip Watermelon Zucchini Sunflower Marigold Zinnia Nasturtium Cosmos Echinacea (Coneflower) Petunia Black-eyed Susan Apple Tree Pear Tree Peach Tree Plum Tree Sweet Cherry Tree Lemon Tree Borage Lemongrass Ginger Stevia Tomatillo Edamame Fava Bean Mâche Mizuna Sorrel Shishito Pepper Banana Pepper Watermelon Radish Napa Cabbage Popcorn Broccoli Raab Catnip Valerian Lemon Verbena Bee Balm Anise Lovage Summer Savory Dahlia Snapdragon Pansy Sweet Pea Morning Glory Hollyhock Larkspur Bachelor Button Columbine Impatiens Salvia (Annual) Sweet Alyssum Celosia Lupine Verbena Elderberry Grape Vine Red Currant Gooseberry Serviceberry Fig Tree Avocado Tree Persimmon Tree Olive Tree

Growing Chervil in Zone 10b

Chervil (Anthriscus cerefolium) is a popular garden vegetable. In Chula Vista, California, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Thursday, December 18, 2025.

Your average last frost date is Thursday, January 15, 2026. Chervil grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.