When to Plant Lima Bean 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, January 15, 2026

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

Pro tip: Sow Lima Bean directly outdoors around your last frost date when soil starts to warm.

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🌿 Plant Details

Scientific Name Phaseolus lunatus

Days to Maturity 75 days

Mature Height 18-24"

Spread 6"

Type Bush

Fruit Size Medium (flat pods)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1 inch/week)

↔️

Spacing

6" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 7-14 days

Ready to Plant Lima Bean in San Diego?

Get your seeds now so they're ready by Thursday, January 15, 2026.

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🤝 Good Companions

CornSquashCucumberCarrot

⚠️ Avoid Planting Near

OnionGarlicFennel

🤝

Full Companion Planting Guide for Lima Bean

See which plants help Lima Bean 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

Allow pods to dry and turn brown on the vine before picking.

Processing

Shell dried pods, cure seeds on screen for 2 weeks, then store in a cool dry place.

Seed Viability

Up to 4 years when stored cool, dark, and dry.

Pro Tip

Lima beans self-pollinate before the flower opens — easy to keep varieties pure.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 4 per sq ft of Lima Bean. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Lima Bean in San Diego, California? +

In San Diego (Zone 10b), direct sow Lima Bean outdoors around Thursday, January 15, 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 Lima Bean take to grow? +

Lima Bean typically matures in about 75 days from direct sowing. In San Diego, that means you can expect harvest around Thursday, January 15, 2026 plus 75 days.

Should I start Lima Bean indoors or direct sow in California? +

Lima Bean does best when direct sown outdoors. In San Diego, sow directly around Thursday, January 15, 2026.

📚 More Lima Bean Planting Guides

🗺️

Lima Bean in California

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 10b Lima Bean Guide

All cities in your zone · Avg dates

→

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Growing Lima Bean in Zone 10b

Lima Bean (Phaseolus lunatus) is a popular garden vegetable. In San Diego, California, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Thursday, January 15, 2026.

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