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When to Plant Leek in Big Spring, Texas (79721)

Location

Big Spring, Texas

ZIP Code

79721

USDA Zone

8a

Last Frost

Friday, March 20, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Friday, January 9, 2026

Transplant Outdoors

Friday, April 3, 2026

Based on last frost Friday, March 20, 2026 · Zone 8a

Pro tip: Start Leek seeds indoors 10 weeks before your last frost date, then transplant outdoors around Friday, April 3, 2026.

🌿 Plant Details

Scientific Name Allium ampeloprasum
Days to Maturity 120 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 1-7 days

Ready to Plant Leek in Big Spring?

Get your seeds now so they're ready by Friday, January 9, 2026.

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🤝 Good Companions

CeleryAppleCarrot

⚠️ Avoid Planting Near

Swiss Chard
🤝

Full Companion Planting Guide for Leek

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

🛠️ Supplies You'll Need

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🌾 Seed Saving Guide

🟡 Moderate
✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Biennial — allow flowering in year 2. Harvest seed heads when seeds are black and ripe.

Processing

Cut seed heads into bags when most seeds are black, dry 1 week, thresh gently.

Seed Viability

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

Pro Tip

Leeks cross-pollinate with onions via insects. Isolate by at least a mile for truly pure seed.

Frequently Asked Questions

When should I plant Leek in Big Spring, Texas? +

In Big Spring (Zone 8a), start Leek seeds indoors around Friday, January 9, 2026 and transplant outdoors around Friday, April 3, 2026.

What is the last frost date for Big Spring, Texas? +

The average last spring frost date for Big Spring, Texas (ZIP 79721) is around Friday, March 20, 2026. This is based on NOAA climate normals for USDA Zone 8a.

How long does Leek take to grow? +

Leek typically matures in about 120 days from transplanting. In Big Spring, that means you can expect harvest around Friday, April 3, 2026 plus 120 days.

Should I start Leek indoors or direct sow in Texas? +

Leek should be started indoors 10 weeks before your last frost date. In Big Spring, that means starting around Friday, January 9, 2026.

Other Plants for Big Spring

Growing Leek in Zone 8a

Leek (Allium ampeloprasum) is a popular garden vegetable. In Big Spring, Texas, which is in USDA Hardiness Zone 8a, you should start seeds indoors around Friday, January 9, 2026.

Your average last frost date is Friday, March 20, 2026. Plan to transplant your Leek seedlings outdoors around Friday, April 3, 2026, about 2 weeks after your last frost date.