When to Plant Rutabaga in Harrison County, TX
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.
Harrison County, Texas is in USDA Zone 8a. The average last spring frost is March 13 and the first fall frost is November 14, giving you a growing season of approximately 246 days.
At an elevation of 168 feet, Harrison County receives approximately 63.8 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96°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.
Harrison County Soil Profile
Soil Type
Sandy Loam
Soil pH
5.3-6.8
Drainage
Well Drained
Plant 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 Harrison County
How your county's soil matches Rutabaga's growing requirements.
Soil pH
Your soil pH (5.3–6.8) overlaps with Rutabaga's range (6.0–7.5), though not a perfect match.
Soil Texture
Sandy soil in Harrison County warms quickly in spring but drains fast. Rutabaga will need more frequent watering and regular compost additions to retain nutrients.
Drainage
Drainage is adequate for Rutabaga.
Organic Matter
Organic matter is low (1.8%). Add 2-3 inches of compost before planting Rutabaga.
How to Plant Rutabaga
Fall planting: Sow 10 weeks before your first frost date for a fall harvest.
Succession Planting Rutabaga
Sow every 9.1 weeks. Last sowing by Aug 06 to harvest before frost.
For a dedicated fall crop, sow by Sep 05.
Plant Water Budget
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 | — | 1.5" | 0" | ❄️ Dormant |
| Feb | — | 1.9" | 0" | ❄️ Dormant |
| Mar | 3" | 4.4" | 0" | ✅ Rainfall sufficient |
| Apr | 3" | 6" | 0" | ✅ Rainfall sufficient |
| May | 3" | 9.7" | 0" | ✅ Rainfall sufficient |
| Jun | 3" | 11" | 0" | ✅ Rainfall sufficient |
| Jul | 3" | 7.9" | 0" | ✅ Rainfall sufficient |
| Aug | 3" | 7.3" | 0" | ✅ Rainfall sufficient |
| Sep | 3" | 6.3" | 0" | ✅ Rainfall sufficient |
| Oct | 3" | 4" | 0" | ✅ Rainfall sufficient |
| Nov | 3" | 2.3" | 0.7" | 💧 Light watering |
| Dec | — | 1.4" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Harrison 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 Planting Timeline — Harrison County, TX
Rutabaga Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | February 27 | Feb 27 – Mar 20 |
| Harvest | May 22 | May 22 – Jun 26 |
| Fall Sowing | September 5 | Sep 5 – Sep 19 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| 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 8a
📆 Growing Season
246 days in Harrison County
Growing Tips for Rutabaga in Harrison County
Direct sow Rutabaga outdoors after March 13 in Harrison County when soil has warmed and frost danger has passed.
Sandy soil in Harrison County dries quickly — mulch Rutabaga with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.
With summer highs reaching 96°F in Harrison County, provide afternoon shade for Rutabaga and water deeply in the morning.
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
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Rutabaga in Other Locations
Frequently Asked Questions
When should I plant Rutabaga in Harrison County, TX?
Harrison County is in Zone 8a with an average last frost of March 13. Plan your Rutabaga planting based on this frost date — see the calendar above for exact timing.
What planting zone is Harrison County, TX?
Harrison County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 13 and first fall frost is November 14.
Plan Your Garden with Confidence
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