When to plant Savoy Cabbage in Jackson County, MI
Jackson County's climate puts the Savoy Cabbage spring window between April 15 and May 6. time plantings around the expected last-frost window for best survival. A second sowing from August 5 to August 19 extends the harvest into fall.
When to Plant Savoy Cabbage in Jackson County, MI
Top priorities for Jackson County, Michigan gardeners in July
Here's what deserves your attention in Jackson County, Michigan this month. Everything below is tailored to Zone 6a and timed around your local frost dates.
Savoy cabbage has crinkled, deeply veined leaves that form looser heads than regular cabbage. It has a milder, sweeter flavor and is more cold-tolerant.
Jackson County, Michigan is in USDA Zone 6a. The average last spring frost is April 29 and the first fall frost is October 14, giving you a growing season of approximately 168 days.
At an elevation of 1,003 feet, Jackson County receives approximately 37.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Savoy Cabbage during the growing season.
Jackson County Soil Profile
Soil Type
Silt Loam
Soil pH
6.1-7.3
Drainage
Well Drained
Savoy Cabbage Planting Risk Windows
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 Jackson County
How your county's soil matches Savoy Cabbage's growing requirements.
Soil pH
Your soil pH (6.1–7.3) is within Savoy Cabbage's preferred range (6.0–7.5).
Soil Texture
The silt loam soil in Jackson County is excellent for Savoy Cabbage — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is excellent (4.7%) — Savoy Cabbage will thrive.
How to Plant Savoy Cabbage
Fall planting: Sow 10 weeks before your first frost date for a fall harvest.
Succession Planting Savoy Cabbage
Sow every 8 weeks. Last sowing by Jun 26 to harvest before frost.
For a dedicated fall crop, sow by Aug 05.
Savoy Cabbage Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Monthly Watering Guide for Savoy Cabbage
Savoy Cabbage needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Savoy Cabbage Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 1.6" | 0" | ❄️ Dormant |
| Feb | — | 1.5" | 0" | ❄️ Dormant |
| Mar | — | 2.5" | 0" | ❄️ Dormant |
| Apr | 4.3" | 3.6" | 0.7" | 💧 Light watering |
| May | 4.3" | 3.9" | 0.4" | 💧 Light watering |
| Jun | 4.3" | 5" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 4.6" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 4.1" | 0.2" | 💧 Light watering |
| Sep | 4.3" | 3.7" | 0.6" | 💧 Light watering |
| Oct | 4.3" | 2.9" | 1.4" | 💧 Light watering |
| Nov | — | 2.2" | 0" | ❄️ Dormant |
| Dec | — | 2.1" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Oct in Jackson County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Savoy 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.
Savoy Cabbage Planting Timeline — Jackson County, MI
Savoy Cabbage Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 25 | Mar 25 – Apr 8 |
| Transplant Outdoors | April 29 | Apr 29 – May 13 |
| Direct Sow | April 15 | Apr 15 – May 6 |
| Harvest | July 8 | Jul 8 – Sep 2 |
| Fall Sowing | August 5 | Aug 5 – Aug 19 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors Transplant Outdoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Harvest |
| August | Fall Sowing Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
1"/week · Only during dry spells
📅 Days to Maturity
70–110 days
🧪 Soil pH
Needs 6–7.5 · Your soil: ideal
🗺️ USDA Zone
Zone 6a
📆 Growing Season
168 days in Jackson County
Growing Tips for Savoy Cabbage in Jackson County
Direct sow Savoy Cabbage outdoors after April 29 in Jackson County when soil has warmed and frost danger has passed.
Common pests for Savoy 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. Savoy cabbage is more forgiving of temperature fluctuations than smooth-leaved types. Excellent for stuffed cabbage rolls.
Companion Planting
Good Companions
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Check more plant combinations with our Companion Planting Checker →
Savoy Cabbage in Other Locations
Frequently Asked Questions
When should I plant Savoy Cabbage in Jackson County, MI?
Jackson County is in Zone 6a with an average last frost of April 29. Plan your Savoy Cabbage planting based on this frost date — see the calendar above for exact timing.
What planting zone is Jackson County, MI?
Jackson County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is April 29 and first fall frost is October 14.
When should I plant Savoy Cabbage in Jackson County, MI?
In Jackson County, MI, plant Savoy Cabbage after the last frost (around April 29) and before the first frost (around October 14). Best results when soil holds above 50°F.
What growing zone is Jackson County, MI for Savoy Cabbage?
Jackson County sits in USDA Zone 6a. Savoy Cabbage grows reliably in zones 1a through 10b, so it's a good fit here.
Can Savoy Cabbage grow in Jackson County's climate?
Yes — Savoy Cabbage grows well in Jackson County's temperate climate. Jackson County averages a 168-day frost-free season, with last frost around April 29 and first frost around October 14.
Your Jackson County Garden Planner — Free
A 22-page printable planner built for Jackson 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.