When to Plant Lemon Verbena in Biwabik, Minnesota (55708)

Location

Biwabik, Minnesota

ZIP Code

55708

USDA Zone

Last Frost

Wednesday, May 20, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Wednesday, April 8, 2026

Transplant Outdoors

Wednesday, June 3, 2026

Based on last frost Wednesday, May 20, 2026 · Zone 3b

Pro tip: Start Lemon Verbena seeds indoors 6 weeks before your last frost date, then transplant outdoors around Wednesday, June 3, 2026.

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🌿 Plant Details

Scientific Name Aloysia citrodora

Days to Maturity 120 days

Mature Height 24-72"

Spread 36"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

24" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 14-30 days

Ready to Plant Lemon Verbena in Biwabik?

Get your seeds now so they're ready by Wednesday, April 8, 2026.

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🤝 Good Companions

BasilTomatoPepper

🤝

Full Companion Planting Guide for Lemon Verbena

See which plants help Lemon 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 🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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🌾 Seed Saving Guide

🔴 Difficult

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Flowers set seed in late summer but viability is often low in temperate climates.

Processing

Harvest seed pods when dry, extract tiny seeds. Germination is slow and irregular.

Seed Viability

Up to 1 year when stored cool, dark, and dry.

Pro Tip

Semi-hardwood cuttings in summer give far better results — seed saving is rarely worth the effort for this plant.

🪴

Raised Bed Planting Guides

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

Frequently Asked Questions

When should I plant Lemon Verbena in Biwabik, Minnesota? +

In Biwabik (Zone 3b), start Lemon Verbena seeds indoors around Wednesday, April 8, 2026 and transplant outdoors around Wednesday, June 3, 2026.

What is the last frost date for Biwabik, Minnesota? +

The average last spring frost date for Biwabik, Minnesota (ZIP 55708) is around Wednesday, May 20, 2026. This is based on NOAA climate normals for USDA Zone 3b.

How long does Lemon Verbena take to grow? +

Lemon Verbena typically matures in about 120 days from transplanting. In Biwabik, that means you can expect harvest around Wednesday, June 3, 2026 plus 120 days.

Should I start Lemon Verbena indoors or direct sow in Minnesota? +

Lemon Verbena should be started indoors 6 weeks before your last frost date. In Biwabik, that means starting around Wednesday, April 8, 2026.

📚 More Lemon Verbena Planting Guides

🗺️

Lemon Verbena in Minnesota

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 3b Lemon Verbena Guide

All cities in your zone · Avg dates

→

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Growing Lemon Verbena in Zone 3b

Lemon Verbena (Aloysia citrodora) is a popular garden vegetable. In Biwabik, Minnesota, which is in USDA Hardiness Zone 3b, you should start seeds indoors around Wednesday, April 8, 2026.

Your average last frost date is Wednesday, May 20, 2026. Plan to transplant your Lemon Verbena seedlings outdoors around Wednesday, June 3, 2026, about 2 weeks after your last frost date.