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When to plant Borage in Madison County, IN

Plant Borage in Madison County from April 9 to April 30 in spring. Madison County sits in USDA Zone 6a, with last frost around April 23 and first frost on October 17. A second sowing from August 8 to August 22 extends the harvest into fall.

When to Plant Borage in Madison County, IN

Borage is a self-seeding annual herb with star-shaped blue flowers that attract pollinators. Its leaves have a cucumber-like flavor and the flowers are edible.

Madison County, Indiana is in USDA Zone 6a. The average last spring frost is April 23 and the first fall frost is October 17, giving you a growing season of approximately 177 days.

At an elevation of 901 feet, Madison County receives approximately 32.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Borage during the growing season.

Madison County, IN (Zone 6a) Moderate season
177 days
Last Spring Frost April 23
177 growing days
First Fall Frost October 17

Madison County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Borage Planting Timeline — Madison County, IN

Borage Planting Calendar

Activity When Date Range
Start Indoors March 19 Mar 19 – Apr 2
Transplant Outdoors April 16 Apr 16 – Apr 30
Direct Sow April 9 Apr 9 – Apr 30
Harvest June 11 Jun 11 – Jul 30
Fall Sowing August 8 Aug 8 – Aug 22

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Start Indoors Transplant Outdoors Direct Sow
May
June Harvest
July Harvest
August Fall Sowing
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

50–60 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

177 days in Madison County

Growing Tips for Madison County

Direct sow in spring as borage does not transplant well. Allow some plants to go to seed for next year. Young leaves are best; older leaves become bristly.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Borage in Madison County, IN?

Madison County is in Zone 6a with an average last frost of April 23. Plan your Borage planting based on this frost date — see the calendar above for exact timing.

What planting zone is Madison County, IN?

Madison County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 23 and first fall frost is October 17.

When should I plant Borage in Madison County, IN?

In Madison County, IN, plant Borage after the last frost (around April 23) and before the first frost (around October 17). Best results when soil holds above 50°F.

What growing zone is Madison County, IN for Borage?

Madison County sits in USDA Zone 6a. Borage grows reliably in zones 3a through 11b, so it's a good fit here.

Can Borage grow in Madison County's climate?

Yes — Borage grows well in Madison County's temperate climate. Madison County averages a 177-day frost-free season, with last frost around April 23 and first frost around October 17.

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Your Madison County Garden Planner — Free

A 22-page printable planner built for Madison 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 Madison County, IN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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