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When to Plant Caraway in Fairfield County, CT

Fairfield County, Connecticut Zone 6b May

Your May game plan for Fairfield County, Connecticut

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

Avg. last frost April 9
Avg. first frost November 3
Soil temp (4") 66°F
Watering Moderate
Pest pressure Moderate
Daylight 14.3 hrs
  1. Indoor seed-starting week for caraway

    Give them 6–8 weeks indoors before the last frost and you'll transplant into warm soil with seedlings that are already leaping.

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Caraway is a biennial herb grown for its distinctive crescent-shaped seeds used in rye bread, sauerkraut, and European cuisine. The leaves and roots are also edible.

Fairfield County, Connecticut is in USDA Zone 6b. The average last spring frost is April 9 and the first fall frost is November 3, giving you a growing season of approximately 208 days.

At an elevation of 617 feet, Fairfield County receives approximately 41 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Caraway during the growing season.

Fairfield County, CT (Zone 6b) Long season
208 days
Last Spring Frost April 9
208 growing days
First Fall Frost November 3

Fairfield County Soil Profile

Soil Type

Silt Loam

Soil pH

5.1-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Start indoors: Feb 24 Transplant: Mar 24
Recommended (50%) ✓ Fits season
Start indoors: Mar 5 Transplant: Apr 2
Safe Start (90%) ✓ Fits season
Start indoors: Mar 25 Transplant: Apr 22

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 Fairfield County

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

Soil pH

Your soil pH (5.1–6.4) is more acidic than Caraway prefers (6.0–7.5). Add garden lime to raise pH.

Soil Texture

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

Drainage

Drainage is adequate for Caraway.

Organic Matter

Organic matter is moderate (3.1%). Annual compost additions will help Caraway.

How to Plant Caraway

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

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

Plant Water Budget

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

Monthly Watering Guide for Caraway

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

Month Caraway Needs Rainfall You Supplement Action
Jan 3.1" 0" ❄️ Dormant
Feb 2.6" 0" ❄️ Dormant
Mar 3.1" 0" ❄️ Dormant
Apr 4.3" 3.9" 0.4" 💧 Light watering
May 4.3" 3.2" 1.1" 💧 Light watering
Jun 4.3" 3.3" 1" 💧 Light watering
Jul 4.3" 4.6" 0" ✅ Rainfall sufficient
Aug 4.3" 3.6" 0.7" 💧 Light watering
Sep 4.3" 3.6" 0.7" 💧 Light watering
Oct 4.3" 3.5" 0.8" 💧 Light watering
Nov 4.3" 3.6" 0.7" 💧 Light watering
Dec 2.9" 0" ❄️ Dormant

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

Caraway 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.

Caraway needs ~7,437 GDD — county provides 3,796 GDD May not mature

Caraway Planting Timeline — Fairfield County, CT

Caraway Planting Calendar

Activity When Date Range
Start Indoors March 5 Mar 5 – Mar 19
Transplant Outdoors April 2 Apr 2 – Apr 16
Direct Sow March 26 Mar 26 – Apr 16
Fall Sowing August 25 Aug 25 – Sep 8

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
June
July
August Fall Sowing
September Fall Sowing
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Natural rainfall sufficient

📅 Days to Maturity

365–450 days

🧪 Soil pH

Needs 6–7.5 · Your soil: too_acidic

🗺️ USDA Zone

Zone 6b

📆 Growing Season

208 days in Fairfield County

Growing Tips for Caraway in Fairfield County

Direct sow Caraway outdoors after April 09 in Fairfield County when soil has warmed and frost danger has passed.

Your 208.0-day growing season in Fairfield County is tight for Caraway (365.0-450.0 days to maturity). Start indoors and choose early-maturing varieties.

Common pests for Caraway 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 spring or fall. Caraway produces seeds in its second year. Harvest seed heads when they turn brown. The young leaves can be used like parsley.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Caraway in Fairfield County, CT?

Fairfield County is in Zone 6b with an average last frost of April 9. Plan your Caraway planting based on this frost date — see the calendar above for exact timing.

What planting zone is Fairfield County, CT?

Fairfield County, Connecticut is in USDA Hardiness Zone 6b. The average last spring frost is April 9 and first fall frost is November 3.

🌱

Your Fairfield County Garden Planner — Free

A 24-page printable planner built for Fairfield County (Zone 6b). 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 Fairfield County, CT. 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.