Blog

When to Plant Parsley in Whitley County, IN

Whitley County, Indiana Zone 6a May

What to do in May

A quick May briefing for Whitley County, Indiana gardeners — what's urgent, what's next, and what can wait.

Avg. last frost April 27
Avg. first frost October 16
Soil temp (4") 57°F
Watering Moderate
Pest pressure Low
Daylight 14.3 hrs
Get ahead of June
  • Starting indoors: parsley
  • First harvests: parsley

Instant PDF download. No spam, unsubscribe any time.

Parsley is a biennial herb available in flat-leaf (Italian) and curly varieties. It is a nutritional powerhouse rich in vitamins C and K and adds fresh flavor to countless dishes.

Whitley County, Indiana is in USDA Zone 6a. The average last spring frost is April 27 and the first fall frost is October 16, giving you a growing season of approximately 172 days.

At an elevation of 584 feet, Whitley County receives approximately 32.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Parsley to ensure they mature before fall.

Whitley County, IN (Zone 6a) Moderate season
172 days
Last Spring Frost April 27
172 growing days
First Fall Frost October 16
Share this guide:

Whitley County Soil Profile

Soil Type

Silt Loam

Soil pH

6-7.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (53 days to spare)
Start indoors: Mar 18 Transplant: Apr 15 🍅 Harvest: Jun 17 – Aug 19
Recommended (50%) ✓ Fits season (53 days to spare)
Start indoors: Mar 23 Transplant: Apr 20 🍅 Harvest: Jun 22 – Aug 24
Safe Start (90%) ✓ Fits season (47 days to spare)
Start indoors: Apr 8 Transplant: May 6 🍅 Harvest: Jul 8 – Sep 9

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Whitley County

How your county's soil matches Parsley's growing requirements.

Soil pH

Your soil pH (6.0–7.1) overlaps with Parsley's range (6.0–7.0), though not a perfect match.

Soil Texture

The silt loam soil in Whitley County is excellent for Parsley — good drainage, moisture retention, and nutrient holding capacity.

Drainage

Drainage is adequate for Parsley.

Organic Matter

Organic matter is excellent (4.1%) — Parsley will thrive.

How to Plant Parsley

0.5"
Planting Depth
8"
Between Plants
12"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Parsley

3
successive plantings in your 172-day season

Sow every 6.9 weeks. Last sowing by Jul 28 to harvest before frost.

For a dedicated fall crop, sow by Aug 07.

Plant Water Budget

Plant needs
0.6″/week
Rainfall provides
0.8″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Parsley

Parsley needs approximately 0.6 inches of water per week (2.6" per month). Here's how your county's rainfall compares month by month.

Month Parsley Needs Rainfall You Supplement Action
Jan 1.4" 0" ❄️ Dormant
Feb 1.3" 0" ❄️ Dormant
Mar 2" 0" ❄️ Dormant
Apr 2.6" 2.9" 0" ✅ Rainfall sufficient
May 2.6" 3.4" 0" ✅ Rainfall sufficient
Jun 2.6" 4.6" 0" ✅ Rainfall sufficient
Jul 2.6" 3.8" 0" ✅ Rainfall sufficient
Aug 2.6" 3.5" 0" ✅ Rainfall sufficient
Sep 2.6" 2.9" 0" ✅ Rainfall sufficient
Oct 2.6" 2.6" 0" ✅ Rainfall sufficient
Nov 2.3" 0" ❄️ Dormant
Dec 1.8" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Whitley County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Parsley Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Parsley needs ~858 GDD — county provides 2,107 GDD Excellent fit

Parsley Planting Timeline — Whitley County, IN

Parsley Planting Calendar

Activity When Date Range
Start Indoors March 23 Mar 23 – Apr 6
Transplant Outdoors April 20 Apr 20 – May 4
Direct Sow April 13 Apr 13 – May 4
Harvest June 22 Jun 22 – Aug 24
Fall Sowing August 7 Aug 7 – Aug 21

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 Transplant Outdoors Direct Sow
June Harvest
July Harvest
August Fall Sowing Harvest
September
October
November
December
Share this guide:

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

0.6"/week · Natural rainfall sufficient

📅 Days to Maturity

60–80 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 6a

📆 Growing Season

172 days in Whitley County

Growing Tips for Parsley in Whitley County

Direct sow Parsley outdoors after April 27 in Whitley County when soil has warmed and frost danger has passed.

Common pests for Parsley in this region include carrot rust fly and parsleyworm. Use row covers early in the season and inspect plants weekly.

General growing tips

Start seeds indoors 6-8 weeks before last frost. Soak seeds overnight as germination is slow. Harvest outer stems first to keep plants productive. Parsley attracts swallowtail butterflies.

Companion Planting

Good Companions

Avoid Planting Near

  • Mint
  • Lettuce

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Parsley in Whitley County, IN?

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

What planting zone is Whitley County, IN?

Whitley County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 27 and first fall frost is October 16.

🌱

Your Whitley County Garden Planner — Free

A 24-page printable planner built for Whitley 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.

Instant PDF download. No spam, unsubscribe any time.

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

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.