When to Plant Ginger in Riverside, California (92513)

Location

Riverside, California

ZIP Code

92513

USDA Zone

10a

Last Frost

Sunday, January 25, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, November 16, 2025

Transplant Outdoors Sunday, February 22, 2026

Pro Tip: Start Ginger seeds indoors 10 weeks before your last frost date, then transplant outdoors around Sunday, February 22, 2026.

🌿 Plant Details

Scientific Name Zingiber officinale

Days to Maturity 270 days

Mature Height 24-48"

Spread 24"

Type Tropical Perennial

☀️ Growing Requirements

☀️

Sun

Partial Shade (3-5 hours)

💧

Water

Moderate-High (consistent moisture)

↔️

Spacing

18" apart

🌱

Planting Depth

2" deep

Seeds typically germinate in 14-28 days

Ready to Plant Ginger in Riverside?

Get your seeds now so they're ready by Sunday, November 16, 2025.

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🤝 Good Companions

PepperEggplantTomato

See the full companion planting guide for Ginger →

🛠️ 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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🌾 Seed Saving Guide

🪴 Vegetative propagation

Propagate vegetatively, not by seed

Ginger is propagated by dividing rhizomes, not from seed. Purchase fresh rhizomes or divide an existing plant.

Plant fresh rhizomes with visible growth buds (eyes) — even grocery store ginger works well.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 14 plants of Ginger. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Ginger in Riverside, California? +

In Riverside (Zone 10a), start Ginger seeds indoors around Sunday, November 16, 2025 and transplant outdoors around Sunday, February 22, 2026.

What is the last frost date for Riverside, California? +

The average last spring frost date for Riverside, California (ZIP 92513) is around Sunday, January 25, 2026. This is based on NOAA climate normals for USDA Zone 10a.

How long does Ginger take to grow? +

Ginger typically matures in about 270 days from transplanting. In Riverside, that means you can expect harvest around Sunday, February 22, 2026 plus 270 days.

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

Ginger should be started indoors 10 weeks before your last frost date. In Riverside, that means starting around Sunday, November 16, 2025.

Other Plants for Riverside

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Growing Ginger in Zone 10a

Ginger (Zingiber officinale) is a popular garden vegetable. In Riverside, California, which is in USDA Hardiness Zone 10a, you should start seeds indoors around Sunday, November 16, 2025.

Your average last frost date is Sunday, January 25, 2026. Plan to transplant your Ginger seedlings outdoors around Sunday, February 22, 2026, about 4 weeks after your last frost date.