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When to plant Lemon Balm in LaPorte County, IN

In LaPorte County, Lemon Balm is a single-season spring crop — there's no second fall window. Plant May 4–May 18 for an 60–70-day harvest, finishing well before the October 24 first frost.

When to Plant Lemon Balm in LaPorte County, IN

Lemon balm is a vigorous perennial herb with bright green, lemon-scented leaves. It makes a refreshing tea and is easy to grow but can spread aggressively.

LaPorte County, Indiana is in USDA Zone 6a. The average last spring frost is April 27 and the first fall frost is October 24, giving you a growing season of approximately 180 days.

At an elevation of 1,120 feet, LaPorte County receives approximately 38.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Lemon Balm during the growing season.

LaPorte County, IN (Zone 6a) Moderate season
180 days
Last Spring Frost April 27
180 growing days
First Fall Frost October 24

LaPorte County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Lemon Balm Planting Timeline — LaPorte County, IN

Lemon Balm Planting Calendar

Activity When Date Range
Transplant Outdoors May 4 May 4 – May 18
Harvest July 6 Jul 6 – Aug 24

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
October
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–70 days

🧪 Soil pH

Needs 5.5–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

180 days in LaPorte County

Growing Tips for LaPorte County

Start from seed, cuttings, or divisions. Contain in pots or use barriers to prevent spreading. Harvest frequently to keep plants bushy and prevent flowering.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Lemon Balm in LaPorte County, IN?

LaPorte County is in Zone 6a with an average last frost of April 27. Plan your Lemon Balm planting based on this frost date — see the calendar above for exact timing.

What planting zone is LaPorte County, IN?

LaPorte County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 27 and first fall frost is October 24.

When should I plant Lemon Balm in LaPorte County, IN?

In LaPorte County, IN, plant Lemon Balm after the last frost (around April 27) and before the first frost (around October 24). Best results when soil holds above 50°F.

What growing zone is LaPorte County, IN for Lemon Balm?

LaPorte County sits in USDA Zone 6a. Lemon Balm grows reliably in zones 3a through 9b, so it's a good fit here.

Can Lemon Balm grow in LaPorte County's climate?

Yes — Lemon Balm grows well in LaPorte County's temperate climate. LaPorte County averages a 180-day frost-free season, with last frost around April 27 and first frost around October 24.

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Your LaPorte County Garden Planner — Free

A 22-page printable planner built for LaPorte County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for LaPorte County, IN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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