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When to Plant Rutabaga in Clay County, NC

Clay County, North Carolina Zone 7b May

Clay County, North Carolina gardeners: here's your May plan

May is a pivotal month for Clay County, North Carolina gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost April 11
Avg. first frost October 23
Soil temp (4") 60°F
Watering Low
Pest pressure Moderate
Daylight 13.8 hrs
Before June arrives, get these ready
  • First harvests: rutabaga

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Rutabagas are a cross between turnips and cabbage, producing large yellow-fleshed roots with a sweet, mild flavor. They are excellent mashed, roasted, or in stews.

Clay County, North Carolina is in USDA Zone 7b. The average last spring frost is April 11 and the first fall frost is October 23, giving you a growing season of approximately 195 days.

At an elevation of 3,810 feet, Clay County receives approximately 41.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 89°F, providing good warmth for Rutabaga during the growing season. Clay soil retains moisture well for Rutabaga, but amend with compost to improve drainage and prevent root rot.

Clay County, NC (Zone 7b) Moderate season
195 days
Last Spring Frost April 11
195 growing days
First Fall Frost October 23
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Clay County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (80 days to spare)
Transplant: Apr 1 🍅 Harvest: Jun 24 – Jul 29
Recommended (50%) ✓ Fits season (76 days to spare)
Transplant: Apr 11 🍅 Harvest: Jul 4 – Aug 8
Safe Start (90%) ✓ Fits season (84 days to spare)
Transplant: May 3 🍅 Harvest: Jul 26 – Aug 30

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 Clay County

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

Soil pH

Your soil pH (5.6–6.6) overlaps with Rutabaga's range (6.0–7.5), though not a perfect match.

Soil Texture

Your soil has 34% clay, which can cause forked or stunted roots for Rutabaga. Use raised beds with loose, sandy mix for best results.

Organic Matter

Organic matter is moderate (2.2%). Annual compost additions will help Rutabaga.

How to Plant Rutabaga

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

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

Succession Planting Rutabaga

2
successive plantings in your 195-day season

Sow every 9.1 weeks. Last sowing by Jul 15 to harvest before frost.

For a dedicated fall crop, sow by Aug 14.

Plant Water Budget

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

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Rutabaga

Rutabaga needs approximately 0.7 inches of water per week (3" per month). Here's how your county's rainfall compares month by month.

Month Rutabaga Needs Rainfall You Supplement Action
Jan 3.7" 0" ❄️ Dormant
Feb 3.7" 0" ❄️ Dormant
Mar 3.6" 0" ❄️ Dormant
Apr 3" 2.7" 0.3" 💧 Light watering
May 3" 3.8" 0" ✅ Rainfall sufficient
Jun 3" 4.2" 0" ✅ Rainfall sufficient
Jul 3" 4.4" 0" ✅ Rainfall sufficient
Aug 3" 3.9" 0" ✅ Rainfall sufficient
Sep 3" 3.2" 0" ✅ Rainfall sufficient
Oct 3" 2.3" 0.7" 💧 Light watering
Nov 2.8" 0" ❄️ Dormant
Dec 3.1" 0" ❄️ Dormant

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

Rutabaga 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.

Rutabaga needs ~1,508 GDD — county provides 3,266 GDD Excellent fit

Rutabaga Planting Timeline — Clay County, NC

Rutabaga Planting Calendar

Activity When Date Range
Direct Sow March 28 Mar 28 – Apr 18
Harvest June 20 Jun 20 – Jul 25
Fall Sowing August 14 Aug 14 – Aug 28

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

Month-by-Month Timeline

MonthActivities
January
February
March Direct Sow
April Direct Sow
May
June Harvest
July Harvest
August Fall Sowing
September
October
November
December
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.7"/week · Natural rainfall sufficient

📅 Days to Maturity

80–100 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 7b

📆 Growing Season

195 days in Clay County

Growing Tips for Rutabaga in Clay County

Direct sow Rutabaga outdoors after April 11 in Clay County when soil has warmed and frost danger has passed.

With Clay County's clay soil (34% clay), work in 3-4 inches of compost before planting Rutabaga. Avoid tilling when soil is wet to prevent compaction.

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

General growing tips

Direct sow in early summer for fall harvest. Thin seedlings to 6-8 inches apart. Flavor improves significantly after a few light frosts.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Rutabaga in Clay County, NC?

Clay County is in Zone 7b with an average last frost of April 11. Plan your Rutabaga planting based on this frost date — see the calendar above for exact timing.

What planting zone is Clay County, NC?

Clay County, North Carolina is in USDA Hardiness Zone 7b. The average last spring frost is April 11 and first fall frost is October 23.

🌱

Your Clay County Garden Planner — Free

A 24-page printable planner built for Clay County (Zone 7b). 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 Clay County, NC. 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.