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When to Plant Lemon Tree in San Diego, California (92113)

Location

San Diego, California

ZIP Code

92113

USDA Zone

10b

Last Frost

Thursday, January 15, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Thursday, February 12, 2026

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

Pro tip: Sow Lemon Tree directly outdoors 4 weeks after your last frost date — it needs warm soil.

🌿 Plant Details

Scientific Name Citrus limon
Days to Maturity 1095 days
Mature Height 60-120"
Spread 96"
Type Evergreen Tree
Fruit Size Medium (2-3 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun (8+ hours)

💧

Water

Moderate (deep, infrequent watering)

↔️

Spacing

120" apart

Ready to Plant Lemon Tree in San Diego?

Get your seeds now so they're ready by Thursday, February 12, 2026.

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🤝 Good Companions

MarigoldLavenderLemon Balm

⚠️ Avoid Planting Near

Fennel
🤝

Full Companion Planting Guide for Lemon Tree

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

🛠️ Supplies You'll Need

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🌾 Seed Saving Guide

🪴 Vegetative propagation

Propagate vegetatively, not by seed

Lemon seeds grow polyembryonic seedlings, many of which are true-to-type clones of the parent — worth trying.

Plant fresh seeds immediately — lemon seeds lose viability quickly when dried.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 0 plants of Lemon Tree. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Lemon Tree in San Diego, California? +

In San Diego (Zone 10b), direct sow Lemon Tree outdoors around Thursday, February 12, 2026.

What is the last frost date for San Diego, California? +

The average last spring frost date for San Diego, California (ZIP 92113) is around Thursday, January 15, 2026. This is based on NOAA climate normals for USDA Zone 10b.

How long does Lemon Tree take to grow? +

Lemon Tree typically matures in about 1095 days from direct sowing. In San Diego, that means you can expect harvest around Thursday, February 12, 2026 plus 1095 days.

Should I start Lemon Tree indoors or direct sow in California? +

Lemon Tree does best when direct sown outdoors. In San Diego, sow directly around Thursday, February 12, 2026.

Other Plants for San Diego

Growing Lemon Tree in Zone 10b

Lemon Tree (Citrus limon) is a popular garden vegetable. In San Diego, California, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Thursday, February 12, 2026.

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