When to Plant Verbena in Carrington, North Dakota (58421)

Location

Carrington, North Dakota

ZIP Code

58421

USDA Zone

Last Frost

Friday, May 15, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Friday, March 20, 2026

Transplant Outdoors

Friday, May 29, 2026

Based on last frost Friday, May 15, 2026 · Zone 4a

Pro tip: Start Verbena seeds indoors 8 weeks before your last frost date, then transplant outdoors around Friday, May 29, 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 Carrington?

Get your seeds now so they're ready by Friday, March 20, 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 Carrington, North Dakota? +

In Carrington (Zone 4a), start Verbena seeds indoors around Friday, March 20, 2026 and transplant outdoors around Friday, May 29, 2026.

What is the last frost date for Carrington, North Dakota? +

The average last spring frost date for Carrington, North Dakota (ZIP 58421) is around Friday, May 15, 2026. This is based on NOAA climate normals for USDA Zone 4a.

How long does Verbena take to grow? +

Verbena typically matures in about 85 days from transplanting. In Carrington, that means you can expect harvest around Friday, May 29, 2026 plus 85 days.

Should I start Verbena indoors or direct sow in North Dakota? +

Verbena should be started indoors 8 weeks before your last frost date. In Carrington, that means starting around Friday, March 20, 2026.

📚 More Verbena Planting Guides

🗺️

Verbena in North Dakota

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 4a Verbena Guide

All cities in your zone · Avg dates

→

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Growing Verbena in Zone 4a

Verbena (Verbena hybrida) is a popular garden vegetable. In Carrington, North Dakota, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, March 20, 2026.

Your average last frost date is Friday, May 15, 2026. Plan to transplant your Verbena seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.