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When to plant Chervil in Walton County, FL

Walton County's spring Chervil window runs February 21 through March 14. aim for a steady week of warm soil before planting. A second sowing from September 20 to October 4 extends the harvest into fall.

When to Plant Chervil in Walton County, FL

Walton County, Florida Zone 9a August

This month in Walton County, Florida

A quick August briefing for Walton County, Florida gardeners — what's urgent, what's next, and what can wait.

Avg. last frost March 14
Avg. first frost November 15
Soil temp (4") 92°F
Watering Low
Pest pressure High
Daylight 13.1 hrs
To set up a strong September, finish these tasks
  • Fall sowing: chervil

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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.

Walton County, Florida is in USDA Zone 9a. The average last spring frost is March 14 and the first fall frost is November 15, giving you a growing season of approximately 246 days.

At an elevation of 200 feet, Walton County receives approximately 52.8 inches of rainfall annually with predominantly sand soil. Summer highs average 95°F, so Chervil may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Chervil will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Chervil root diseases.

Walton County, FL (Zone 9a) Long season
246 days
Last Spring Frost March 14
246 growing days
First Fall Frost November 15

Walton County Soil Profile

Soil Type

Sand

Soil pH

4.8-6

Drainage

Well Drained

Chervil Planting Risk Windows

Early Start (70% safe) ✓ Fits season (150 days to spare)
Start indoors: Feb 6 Transplant: Feb 27 🍅 Harvest: Apr 10 – Jun 12
Recommended (50%) ✓ Fits season (148 days to spare)
Start indoors: Feb 14 Transplant: Mar 7 🍅 Harvest: Apr 18 – Jun 20
Safe Start (90%) ✓ Fits season (145 days to spare)
Start indoors: Mar 9 Transplant: Mar 30 🍅 Harvest: May 11 – Jul 13

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 Walton County

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

Soil pH

Your soil pH (4.8–6.0) is more acidic than Chervil prefers (6.0–7.0). Add garden lime to raise pH.

Soil Texture

Sandy soil in Walton County warms quickly in spring but drains fast. Chervil will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Chervil.

Organic Matter

Organic matter is low (1.5%). Add 2-3 inches of compost before planting Chervil.

How to Plant Chervil

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

Fall planting: Sow 8 weeks before your first frost date for a fall harvest.

Succession Planting Chervil

7
successive plantings in your 246-day season

Sow every 4.6 weeks. Last sowing by Sep 16 to harvest before frost.

For a dedicated fall crop, sow by Sep 20.

Chervil Water Budget

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

Monthly Watering Guide for Chervil

Chervil needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.

Month Chervil Needs Rainfall You Supplement Action
Jan 2.1" 0" ❄️ Dormant
Feb 2.8" 0" ❄️ Dormant
Mar 2.2" 3.2" 0" ✅ Rainfall sufficient
Apr 2.2" 2.6" 0" ✅ Rainfall sufficient
May 2.2" 3.5" 0" ✅ Rainfall sufficient
Jun 2.2" 7.5" 0" ✅ Rainfall sufficient
Jul 2.2" 8.1" 0" ✅ Rainfall sufficient
Aug 2.2" 7.8" 0" ✅ Rainfall sufficient
Sep 2.2" 6.7" 0" ✅ Rainfall sufficient
Oct 2.2" 4.2" 0" ✅ Rainfall sufficient
Nov 2.2" 2.1" 0.1" 💧 Light watering
Dec 2.3" 0" ❄️ Dormant

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

Chervil 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.

Chervil needs ~1,062 GDD — county provides 5,227 GDD Excellent fit

Chervil Planting Timeline — Walton County, FL

Chervil Planting Calendar

Activity When Date Range
Start Indoors February 14 Feb 14 – Feb 28
Transplant Outdoors March 7 Mar 7 – Mar 21
Direct Sow February 21 Feb 21 – Mar 14
Harvest April 18 Apr 18 – Jun 20
Fall Sowing September 20 Sep 20 – Oct 4

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

0.5"/week · Natural rainfall sufficient

📅 Days to Maturity

40–60 days

🧪 Soil pH

Needs 6–7 · Your soil: too_acidic

🗺️ USDA Zone

Zone 9a

📆 Growing Season

246 days in Walton County

Growing Tips for Chervil in Walton County

Direct sow Chervil outdoors after March 14 in Walton County when soil has warmed and frost danger has passed.

Sandy soil in Walton County dries quickly — mulch Chervil with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

Your generous 246.0-day season in Walton County allows multiple plantings of Chervil. Sow every 20.0 days for continuous harvest.

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

General growing tips

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 Walton County, FL?

Walton County is in Zone 9a with an average last frost of March 14. Plan your Chervil planting based on this frost date — see the calendar above for exact timing.

What planting zone is Walton County, FL?

Walton County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is March 14 and first fall frost is November 15.

When should I plant Chervil in Walton County, FL?

In Walton County, FL, plant Chervil after the last frost (around March 14) and before the first frost (around November 15). Best results when soil holds above 50°F.

What growing zone is Walton County, FL for Chervil?

Walton County sits in USDA Zone 9a. Chervil grows reliably in zones 3a through 10b, so it's a good fit here.

Can Chervil grow in Walton County's climate?

Yes — Chervil grows well in Walton County's temperate climate. Walton County averages a 246-day frost-free season, with last frost around March 14 and first frost around November 15.

🌱

Your Walton County Garden Planner — Free

A 22-page printable planner built for Walton County (Zone 9a). 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 Walton County, FL. Local conditions may vary. Last updated: August 2026.

Sources & credits

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