When to Plant Lovage in Denton, Montana (59430)

Location

Denton, Montana

ZIP Code

59430

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Tuesday, March 10, 2026

Transplant Outdoors

Tuesday, May 19, 2026

Based on last frost Tuesday, May 5, 2026 · Zone 4b

Pro tip: Start Lovage seeds indoors 8 weeks before your last frost date, then transplant outdoors around Tuesday, May 19, 2026.

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🌿 Plant Details

Scientific Name Levisticum officinale

Days to Maturity 365 days

Mature Height 36-84"

Spread 36"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

24" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 10-21 days

Ready to Plant Lovage in Denton?

Get your seeds now so they're ready by Tuesday, March 10, 2026.

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🤝 Good Companions

CarrotCeleryPotato

🤝

Full Companion Planting Guide for Lovage

See which plants help Lovage 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

🟢 Easy

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Let seed umbels dry on the plant. Harvest when seeds are brown and aromatic.

Processing

Cut seed heads into a bag, dry 1 week, thresh to separate seeds from stalks.

Seed Viability

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

Pro Tip

Lovage crosses with other Apiaceae family members like celery and parsley — isolate if growing multiple.

🪴

Raised Bed Planting Guides

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

Frequently Asked Questions

When should I plant Lovage in Denton, Montana? +

In Denton (Zone 4b), start Lovage seeds indoors around Tuesday, March 10, 2026 and transplant outdoors around Tuesday, May 19, 2026.

What is the last frost date for Denton, Montana? +

The average last spring frost date for Denton, Montana (ZIP 59430) is around Tuesday, May 5, 2026. This is based on NOAA climate normals for USDA Zone 4b.

How long does Lovage take to grow? +

Lovage typically matures in about 365 days from transplanting. In Denton, that means you can expect harvest around Tuesday, May 19, 2026 plus 365 days.

Should I start Lovage indoors or direct sow in Montana? +

Lovage should be started indoors 8 weeks before your last frost date. In Denton, that means starting around Tuesday, March 10, 2026.

📚 More Lovage Planting Guides

🗺️

Lovage in Montana

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 4b Lovage Guide

All cities in your zone · Avg dates

→

Other Plants for Denton

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Growing Lovage in Zone 4b

Lovage (Levisticum officinale) is a popular garden vegetable. In Denton, Montana, which is in USDA Hardiness Zone 4b, you should start seeds indoors around Tuesday, March 10, 2026.

Your average last frost date is Tuesday, May 5, 2026. Plan to transplant your Lovage seedlings outdoors around Tuesday, May 19, 2026, about 2 weeks after your last frost date.