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When to Plant Lovage in USDA Zone 4b

Lovage is a large perennial herb with a celery-like flavor that can grow 4-6 feet tall. All parts are edible including the leaves, stems, seeds, and roots.

In Zone 4b, the average last spring frost is around May 1 and the first fall frost is around October 3, giving you a growing season of approximately 155 days.

Zone 4b Moderate season
155 days
Last Spring Frost May 1
155 growing days
First Fall Frost October 3

Lovage Planting Timeline — Zone 4b

Where Is USDA Zone 4b?

The map below highlights the states that contain Zone 4b. Click any state to see the Lovage planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Lovage Planting Calendar — Zone 4b

Activity When Date Range
Transplant Outdoors May 8 May 8 – May 22
Harvest July 17 Jul 17 – Sep 18

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Transplant Outdoors
June
July Harvest
August Harvest
September Harvest
October
November
December

Free Zone 4b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 4b with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

Days to Maturity

70–90 days

Soil pH

6 – 7

Zone Temperature Range

-25°F to -20°F average annual minimum

Growing Season

155 days (Zone 4b average)

Planting Specifications

Planting Depth0.5 inches
Plant Spacing8 inches apart
Row Spacing12 inches between rows

Succession Planting Lovage in Zone 4b

2
successive plantings in Zone 4b's ~155-day season

Sow every 8 weeks for continuous harvest throughout the season.

Growing Tips for Lovage in Zone 4b

Zone 4b has a short growing season (~155 days). Start Lovage indoors early and use season-extension techniques like row covers and cold frames.

Start seeds indoors or direct sow in spring. One plant is usually enough for a family. Harvest outer stems and leaves as needed. Divide clumps every 3-4 years.

Companion Planting

Good Companions

Level Up Your Garden

Saving Lovage Seeds

Recommended for Your Garden

💡
LED Grow Lights $25-60

Full-spectrum LED lights for starting seeds indoors when daylight is limited.

🔥
Seedling Heat Mat $15-35

Warm soil for faster germination of heat-loving crops like tomatoes and peppers.

🪡
Floating Row Covers $12-30

Protect plants from frost, wind, and pests while letting light and water through.

Related Plants

Frequently Asked Questions

When should I plant Lovage in Zone 4b?

In Zone 4b, plan your Lovage planting around the average last frost date of May 1. Transplant seedlings around May 8.

Can Lovage grow in Zone 4b?

Yes, Lovage can grow well in Zone 4b, hardy in USDA zones 3a through 8b. Zone 4b has a growing season of approximately 155 days, which is sufficient for Lovage (70-90 days to maturity).

When can I harvest Lovage in Zone 4b?

In Zone 4b, expect to harvest Lovage from July 17 – September 18. Lovage takes 70-90 days from planting to harvest.

What is the last frost date for Zone 4b?

The average last spring frost in Zone 4b is around May 1, and the first fall frost is around October 3. This gives a growing season of approximately 155 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Lovage?

Good companion plants for Lovage include Green Beans, Potatoes, Lettuce. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner — organize your planting dates for Zone 4b, track your crops, and plan your garden season from seed to harvest.

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Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: April 2026.