When to Plant Cayenne Pepper in Lawler, Iowa (52154)

Location

Lawler, Iowa

ZIP Code

52154

USDA Zone

Last Frost

Sunday, May 10, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Sunday, March 1, 2026

Transplant Outdoors

Sunday, May 24, 2026

Based on last frost Sunday, May 10, 2026 · Zone 5a

Pro tip: Start Cayenne Pepper seeds indoors 10 weeks before your last frost date, then transplant outdoors around Sunday, May 24, 2026.

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🌿 Plant Details

Scientific Name Capsicum annuum

Days to Maturity 75 days

Mature Height 24-36"

Spread 18"

Type Bush

Fruit Size Small (2-5 inch pods)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate

↔️

Spacing

18" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 7-14 days

Ready to Plant Cayenne Pepper in Lawler?

Get your seeds now so they're ready by Sunday, March 1, 2026.

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🤝 Good Companions

BasilCarrotTomato

⚠️ Avoid Planting Near

Fennel

🤝

Full Companion Planting Guide for Cayenne Pepper

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

🛠️ 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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Common Cayenne Pepper Varieties

Popular cultivars to look for at your local nursery or seed supplier.

Ring of Fire

open-pollinated 60d

Hot, thin-walled cayenne that matures early and dries beautifully for flakes and powder.

Long Slim Cayenne

open-pollinated 70d

Classic 5–6 inch thin pepper with classic cayenne heat; great fresh or dried.

Golden Cayenne

open-pollinated 70d

Yellow version of the classic cayenne; slightly milder with a fruity undertone.

🌾 Seed Saving Guide

🟡 Moderate

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Let peppers ripen fully red before collecting seeds.

Processing

Cut open ripe peppers, carefully remove seeds, spread to dry 1–2 weeks. Wear gloves.

Seed Viability

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

Pro Tip

Crosses with all Capsicum annuum peppers (bell, jalapeño, etc.). Isolate by 300 feet for pure seed.

🪴

Raised Bed Planting Guides

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

Frequently Asked Questions

When should I plant Cayenne Pepper in Lawler, Iowa? +

In Lawler (Zone 5a), start Cayenne Pepper seeds indoors around Sunday, March 1, 2026 and transplant outdoors around Sunday, May 24, 2026.

What is the last frost date for Lawler, Iowa? +

The average last spring frost date for Lawler, Iowa (ZIP 52154) is around Sunday, May 10, 2026. This is based on NOAA climate normals for USDA Zone 5a.

How long does Cayenne Pepper take to grow? +

Cayenne Pepper typically matures in about 75 days from transplanting. In Lawler, that means you can expect harvest around Sunday, May 24, 2026 plus 75 days.

Should I start Cayenne Pepper indoors or direct sow in Iowa? +

Cayenne Pepper should be started indoors 10 weeks before your last frost date. In Lawler, that means starting around Sunday, March 1, 2026.

📚 More Cayenne Pepper Planting Guides

🗺️

Cayenne Pepper in Iowa

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 5a Cayenne Pepper Guide

All cities in your zone · Avg dates

→

Other Plants for Lawler

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Growing Cayenne Pepper in Zone 5a

Cayenne Pepper (Capsicum annuum) is a popular garden vegetable. In Lawler, Iowa, which is in USDA Hardiness Zone 5a, you should start seeds indoors around Sunday, March 1, 2026.

Your average last frost date is Sunday, May 10, 2026. Plan to transplant your Cayenne Pepper seedlings outdoors around Sunday, May 24, 2026, about 2 weeks after your last frost date.