When to Plant Snapdragon 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 Snapdragon 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 Antirrhinum majus

Days to Maturity 60 days

Mature Height 12-36"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 10-21 days

Ready to Plant Snapdragon in Oakland?

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

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🤝 Good Companions

TomatoVegetable Garden

🤝

Full Companion Planting Guide for Snapdragon

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

🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🌍 Flower Garden Soil ✂️ Pruning Shears 🚿 Watering Can

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🌾 Seed Saving Guide

🟡 Moderate

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Allow seed pods to dry and turn brown on the spike. Small holes in pods will open when ripe.

Processing

Shake dry pods over a bowl to collect tiny seeds. Dry 1 additional week.

Seed Viability

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

Pro Tip

Many snapdragons are OP but some are hybrid. Seeds are tiny — handle carefully during collection.

🪴

Raised Bed Planting Guides

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

Frequently Asked Questions

When should I plant Snapdragon in Oakland, California? +

In Oakland (Zone 10b), start Snapdragon 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 Snapdragon take to grow? +

Snapdragon typically matures in about 60 days from transplanting. In Oakland, that means you can expect harvest around Thursday, January 29, 2026 plus 60 days.

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

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

📚 More Snapdragon Planting Guides

🗺️

Snapdragon in California

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 10b Snapdragon Guide

All cities in your zone · Avg dates

→

Other Plants for Oakland

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Growing Snapdragon in Zone 10b

Snapdragon (Antirrhinum majus) 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 Snapdragon seedlings outdoors around Thursday, January 29, 2026, about 2 weeks after your last frost date.