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When to plant Chervil in Rush County, IN

In Rush County, plant Chervil in spring between March 31 and April 21, once soil temps hold above 50°F. Rush County's last frost averages April 14, so time plantings around the expected last-frost window for best survival. For a fall crop, sow between August 12 and August 26 — roughly 40–60 days before the first frost on October 21.

When to Plant Chervil in Rush County, IN

Chervil is a delicate herb with a subtle anise-parsley flavor, essential in French cuisine as part of fines herbes. It prefers cool conditions and partial shade.

Rush County, Indiana is in USDA Zone 6a. The average last spring frost is April 14 and the first fall frost is October 21, giving you a growing season of approximately 190 days.

At an elevation of 1,033 feet, Rush County receives approximately 41.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Chervil during the growing season.

Rush County, IN (Zone 6a) Moderate season
190 days
Last Spring Frost April 14
190 growing days
First Fall Frost October 21

Rush County Soil Profile

Soil Type

Silt Loam

Soil pH

5.9-6.7

Drainage

Well Drained

Monthly Watering Guide for Chervil

Chervil needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Chervil Needs Rainfall You Supplement Action
Jan 1.6" 0" ❄️ Dormant
Feb 1.9" 0" ❄️ Dormant
Mar 2.9" 0" ❄️ Dormant
Apr 4.3" 4.2" 0.1" 💧 Light watering
May 4.3" 5.1" 0" ✅ Rainfall sufficient
Jun 4.3" 5.1" 0" ✅ Rainfall sufficient
Jul 4.3" 4.7" 0" ✅ Rainfall sufficient
Aug 4.3" 4.3" 0" ✅ Rainfall sufficient
Sep 4.3" 3.9" 0.4" 💧 Light watering
Oct 4.3" 2.8" 1.5" 💧 Light watering
Nov 2.5" 0" ❄️ Dormant
Dec 2.4" 0" ❄️ Dormant

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

Chervil Planting Timeline — Rush County, IN

Chervil Planting Calendar

Activity When Date Range
Start Indoors March 10 Mar 10 – Mar 24
Transplant Outdoors April 7 Apr 7 – Apr 21
Direct Sow March 31 Mar 31 – Apr 21
Harvest May 19 May 19 – Jul 21
Fall Sowing August 12 Aug 12 – Aug 26

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

40–60 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

190 days in Rush County

Growing Tips for Rush County

Direct sow in early spring or fall as chervil bolts in heat. Provide shade and cool conditions. Harvest outer leaves as needed; use fresh as it loses flavor when dried.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Chervil in Rush County, IN?

Rush County is in Zone 6a with an average last frost of April 14. Plan your Chervil planting based on this frost date — see the calendar above for exact timing.

What planting zone is Rush County, IN?

Rush County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 14 and first fall frost is October 21.

When should I plant Chervil in Rush County, IN?

In Rush County, IN, plant Chervil after the last frost (around April 14) and before the first frost (around October 21). Best results when soil holds above 50°F.

What growing zone is Rush County, IN for Chervil?

Rush County sits in USDA Zone 6a. Chervil grows reliably in zones 3a through 10b, so it's a good fit here.

Can Chervil grow in Rush County's climate?

Yes — Chervil grows well in Rush County's temperate climate. Rush County averages a 190-day frost-free season, with last frost around April 14 and first frost around October 21.

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Your Rush County Garden Planner — Free

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

Sources & credits

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