When to Plant Verbena in Luzerne, Iowa (52257)

Location

Luzerne, Iowa

ZIP Code

52257

USDA Zone

Last Frost

Sunday, May 10, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Sunday, March 15, 2026

Transplant Outdoors

Sunday, May 24, 2026

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

Pro tip: Start Verbena seeds indoors 8 weeks before your last frost date, then transplant outdoors around Sunday, May 24, 2026.

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🌿 Plant Details

Scientific Name Verbena hybrida

Days to Maturity 85 days

Mature Height 6-18"

Spread 18"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 14-21 days

Ready to Plant Verbena in Luzerne?

Get your seeds now so they're ready by Sunday, March 15, 2026.

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🤝 Good Companions

MarigoldPetuniaSalvia

🤝

Full Companion Planting Guide for Verbena

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

🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🌍 Flower Garden Soil ✂️ Pruning Shears 🚿 Watering Can

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🌾 Seed Saving Guide

🟡 Moderate

⚠️ Many varieties are F1 hybrid — look for OP/heirloom types

When to Harvest Seed

Allow flower clusters to dry on the plant. Collect dry seed clusters.

Processing

Break apart dry clusters to release seeds, dry 1 week in open envelope.

Seed Viability

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

Pro Tip

Most garden verbenas are F1 hybrids. Verbena bonariensis is a good open-pollinated alternative that grows true from seed.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 32 plants of Verbena. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Verbena in Luzerne, Iowa? +

In Luzerne (Zone 5a), start Verbena seeds indoors around Sunday, March 15, 2026 and transplant outdoors around Sunday, May 24, 2026.

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

The average last spring frost date for Luzerne, Iowa (ZIP 52257) is around Sunday, May 10, 2026. This is based on NOAA climate normals for USDA Zone 5a.

How long does Verbena take to grow? +

Verbena typically matures in about 85 days from transplanting. In Luzerne, that means you can expect harvest around Sunday, May 24, 2026 plus 85 days.

Should I start Verbena indoors or direct sow in Iowa? +

Verbena should be started indoors 8 weeks before your last frost date. In Luzerne, that means starting around Sunday, March 15, 2026.

📚 More Verbena Planting Guides

🗺️

Verbena in Iowa

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 5a Verbena Guide

All cities in your zone · Avg dates

→

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Growing Verbena in Zone 5a

Verbena (Verbena hybrida) is a popular garden vegetable. In Luzerne, Iowa, which is in USDA Hardiness Zone 5a, you should start seeds indoors around Sunday, March 15, 2026.

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