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When to plant Cabbage in Kit Carson, CA

For Cabbage in Kit Carson, the safe spring window opens around February 15 and closes around March 8. Last expected frost is March 8, first fall frost November 25, giving a 262-day growing season. A second sowing from September 30 to October 14 extends the harvest into fall.

When to Plant Cabbage in Kit Carson, CA

Cabbage
Amador County, California Zone 9b June

Amador County, California gardeners: here's your June plan

Welcome to June in Zone 9b. These are the moves that will have the biggest impact on your growing season.

Avg. last frost March 8
Avg. first frost November 25
Soil temp (4") 80°F
Watering Critical
Pest pressure High
Daylight 14.7 hrs
  1. Collect cabbage at their peak

    Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.

To set up a strong July, finish these tasks
  • First harvests: cabbage

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Cabbage is a versatile cool-season crop that forms dense, leafy heads in green, red, or savoy varieties. It is a staple for coleslaw, sauerkraut, and many global cuisines.

Kit Carson, California is in USDA Zone 9b. The average last spring frost is March 8 and the first fall frost is November 25, giving you a growing season of approximately 262 days.

At an elevation of 1,335 feet, Amador County receives approximately 42.7 inches of rainfall annually with predominantly loam soil. Summer highs average 89°F, providing good warmth for Cabbage during the growing season.

Kit Carson, CA (Zone 9b) Long season
262 days
Last Spring Frost March 8
262 growing days
First Fall Frost November 25

Kit Carson Soil Profile

Soil Type

Loam

Soil pH

6.7-7.8

Drainage

Well Drained

Cabbage Planting Risk Windows

Early Start (70% safe) ✓ Fits season (158 days to spare)
Start indoors: Jan 8 Transplant: Feb 5 🍅 Harvest: Apr 9 – Jun 4
Recommended (50%) ✓ Fits season (143 days to spare)
Start indoors: Feb 8 Transplant: Mar 8 🍅 Harvest: May 10 – Jul 5
Safe Start (90%) ✓ Fits season (125 days to spare)
Start indoors: Mar 22 Transplant: Apr 19 🍅 Harvest: Jun 21 – Aug 16

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 Kit Carson

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

Soil pH

Your soil pH (6.7–7.8) overlaps with Cabbage's range (6.0–7.5), though not a perfect match.

Soil Texture

The loam soil in Amador County is excellent for Cabbage — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.7%). Annual compost additions will help Cabbage.

How to Plant Cabbage

1"
Planting Depth
15"
Between Plants
24"
Between Rows

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

Succession Planting Cabbage

5
successive plantings in your 262-day season

Sow every 6.9 weeks. Last sowing by Aug 17 to harvest before frost.

For a dedicated fall crop, sow by Sep 30.

Cabbage Water Budget

Plant needs
0.9″/week
Rainfall provides
0.7″/week
You supply
0.3″/week
Watering frequency Only during dry spells
Season total 603 gal / 100 sq ft
Drought risk

Water stress score is 8/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Cabbage

Cabbage needs approximately 0.9 inches of water per week (3.9" per month). Here's how your county's rainfall compares month by month.

Month Cabbage Needs Rainfall You Supplement Action
Jan 9.4" 0" ❄️ Dormant
Feb 8" 0" ❄️ Dormant
Mar 3.9" 6" 0" ✅ Rainfall sufficient
Apr 3.9" 3.5" 0.4" 💧 Light watering
May 3.9" 1" 2.9" 🚿 Regular watering
Jun 3.9" 0.2" 3.7" 🚿 Regular watering
Jul 3.9" 0" 3.9" 🚿 Regular watering
Aug 3.9" 0" 3.9" 🚿 Regular watering
Sep 3.9" 0.5" 3.4" 🚿 Regular watering
Oct 3.9" 1.9" 2" 🚿 Regular watering
Nov 3.9" 4.3" 0" ✅ Rainfall sufficient
Dec 7.8" 0" ❄️ Dormant

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

Cabbage 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.

Cabbage needs ~1,340 GDD — county provides 4,388 GDD Excellent fit

Cabbage Planting Timeline — Kit Carson, CA

Cabbage Planting Calendar

Activity When Date Range
Start Indoors February 8 Feb 8 – Feb 22
Transplant Outdoors March 8 Mar 8 – Mar 22
Direct Sow February 15 Feb 15 – Mar 8
Harvest May 10 May 10 – Jul 5
Fall Sowing September 30 Sep 30 – Oct 14

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.9"/week · Only during dry spells

📅 Days to Maturity

60–100 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 9b

📆 Growing Season

262 days in Amador County

Growing Tips for Cabbage in Kit Carson

Direct sow Cabbage outdoors after March 08 in Amador County when soil has warmed and frost danger has passed.

Common pests for Cabbage in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.

General growing tips

Start seeds indoors 4-6 weeks before last frost. Space plants 18-24 inches apart. Keep soil evenly moist to prevent heads from splitting.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries
  • Tomatoes

Check more plant combinations with our Companion Planting Checker →

When should I plant Cabbage in Kit Carson, CA?

In Kit Carson, CA, plant Cabbage after the last frost (around March 8) and before the first frost (around November 25). Best results when soil holds above 50°F.

What growing zone is Kit Carson, CA for Cabbage?

Kit Carson sits in USDA Zone 9b. Cabbage grows reliably in zones 1a through 10b, so it's a good fit here.

Can Cabbage grow in Kit Carson's climate?

Yes — Cabbage grows well in Kit Carson's temperate climate. Kit Carson averages a 262-day frost-free season, with last frost around March 8 and first frost around November 25.

🌱

Your Amador County Garden Planner — Free

A 22-page printable planner built for Amador County (Zone 9b). 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 Amador County, CA. Local conditions may vary. Last updated: June 2026.