Blog

When to Plant Rutabaga in Upshur County, TX

Upshur County, Texas Zone 8b May

Top priorities for Upshur County, Texas gardeners in May

If you only do a handful of things in the garden this May, make it these. They're sequenced around your zone's frost timing.

Avg. last frost March 9
Avg. first frost November 17
Soil temp (4") 72°F
Watering Low
Pest pressure High
Daylight 13.7 hrs
  1. It's harvest week for rutabaga

    The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.

June prep starts now
  • First harvests: rutabaga

Instant PDF download. No spam, unsubscribe any time.

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.

Upshur County, Texas is in USDA Zone 8b. The average last spring frost is March 9 and the first fall frost is November 17, giving you a growing season of approximately 253 days.

At an elevation of 51 feet, Upshur County receives approximately 74 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 95°F, so Rutabaga may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Rutabaga will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Rutabaga root diseases.

Upshur County, TX (Zone 8b) Long season
253 days
Last Spring Frost March 9
253 growing days
First Fall Frost November 17

Upshur County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.6-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (139 days to spare)
Transplant: Feb 28 🍅 Harvest: May 23 – Jun 27
Recommended (50%) ✓ Fits season (134 days to spare)
Transplant: Mar 9 🍅 Harvest: Jun 1 – Jul 6
Safe Start (90%) ✓ Fits season (128 days to spare)
Transplant: Mar 29 🍅 Harvest: Jun 21 – Jul 26

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 Upshur County

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

Soil pH

Your soil pH (5.6–6.4) overlaps with Rutabaga's range (6.0–7.5), though not a perfect match.

Soil Texture

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

Organic Matter

Organic matter is low (1.9%). Add 2-3 inches of compost before planting 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

3
successive plantings in your 253-day season

Sow every 9.1 weeks. Last sowing by Aug 09 to harvest before frost.

For a dedicated fall crop, sow by Sep 08.

Plant Water Budget

Plant needs
0.7″/week
Rainfall provides
1.2″/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 2.1" 0" ❄️ Dormant
Feb 2.8" 0" ❄️ Dormant
Mar 3" 5.3" 0" ✅ Rainfall sufficient
Apr 3" 7.9" 0" ✅ Rainfall sufficient
May 3" 10.3" 0" ✅ Rainfall sufficient
Jun 3" 10.4" 0" ✅ Rainfall sufficient
Jul 3" 11.1" 0" ✅ Rainfall sufficient
Aug 3" 8.5" 0" ✅ Rainfall sufficient
Sep 3" 6.3" 0" ✅ Rainfall sufficient
Oct 3" 5" 0" ✅ Rainfall sufficient
Nov 3" 2.4" 0.6" 💧 Light watering
Dec 1.9" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Upshur 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 ~1,912 GDD — county provides 5,376 GDD Excellent fit

Rutabaga Planting Timeline — Upshur County, TX

Rutabaga Planting Calendar

Activity When Date Range
Direct Sow February 23 Feb 23 – Mar 16
Harvest May 18 May 18 – Jun 22
Fall Sowing September 8 Sep 8 – Sep 22

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

Month-by-Month Timeline

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

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 8b

📆 Growing Season

253 days in Upshur County

Growing Tips for Rutabaga in Upshur County

Direct sow Rutabaga outdoors after March 09 in Upshur County when soil has warmed and frost danger has passed.

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

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 Upshur County, TX?

Upshur County is in Zone 8b with an average last frost of March 9. Plan your Rutabaga planting based on this frost date — see the calendar above for exact timing.

What planting zone is Upshur County, TX?

Upshur County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 9 and first fall frost is November 17.

🌱

Your Upshur County Garden Planner — Free

A 24-page printable planner built for Upshur County (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Upshur County, TX. 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.