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When to Plant Spinach in Baylor County, TX

Baylor County, Texas Zone 8a May

Your May game plan for Baylor County, Texas

Here's what deserves your attention in Baylor County, Texas this month. Everything below is tailored to Zone 8a and timed around your local frost dates.

Avg. last frost March 21
Avg. first frost November 15
Soil temp (4") 64°F
Watering Low
Pest pressure Moderate
Daylight 13.7 hrs
  1. Pick spinach

    If you can't use it all right away, check the food-preservation section of your planner.

Coming up in June — start thinking about
  • First harvests: spinach

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Spinach is a nutrient-packed cool-season green that grows quickly in spring and fall. It is rich in iron, vitamins, and antioxidants and excellent raw or cooked.

Baylor County, Texas is in USDA Zone 8a. The average last spring frost is March 21 and the first fall frost is November 15, giving you a growing season of approximately 239 days.

At an elevation of 2,365 feet, Baylor County receives approximately 56.1 inches of rainfall annually with predominantly loam soil. Summer highs average 92°F, providing good warmth for Spinach during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Spinach root diseases.

Baylor County, TX (Zone 8a) Long season
239 days
Last Spring Frost March 21
239 growing days
First Fall Frost November 15
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Baylor County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (137 days to spare)
Start indoors: Feb 7 Transplant: Mar 14 🍅 Harvest: Apr 18 – Jun 20
Recommended (50%) ✓ Fits season (141 days to spare)
Start indoors: Feb 14 Transplant: Mar 21 🍅 Harvest: Apr 25 – Jun 27
Safe Start (90%) ✓ Fits season (129 days to spare)
Start indoors: Mar 9 Transplant: Apr 13 🍅 Harvest: May 18 – Jul 20

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 Baylor County

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

Soil pH

Your soil pH (6.6–7.2) is within Spinach's preferred range (6.5–7.5).

Soil Texture

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

Organic Matter

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

How to Plant Spinach

0.5"
Planting Depth
6"
Between Plants
12"
Between Rows

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

Succession Planting Spinach

8
successive plantings in your 239-day season

Sow every 4 weeks. Last sowing by Sep 26 to harvest before frost.

For a dedicated fall crop, sow by Sep 06.

Plant Water Budget

Plant needs
0.7″/week
Rainfall provides
1.0″/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 Spinach

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

Month Spinach Needs Rainfall You Supplement Action
Jan 1.5" 0" ❄️ Dormant
Feb 1.7" 0" ❄️ Dormant
Mar 3" 3.3" 0" ✅ Rainfall sufficient
Apr 3" 6.5" 0" ✅ Rainfall sufficient
May 3" 8.6" 0" ✅ Rainfall sufficient
Jun 3" 7.9" 0" ✅ Rainfall sufficient
Jul 3" 6.4" 0" ✅ Rainfall sufficient
Aug 3" 7.5" 0" ✅ Rainfall sufficient
Sep 3" 5.8" 0" ✅ Rainfall sufficient
Oct 3" 3.6" 0" ✅ Rainfall sufficient
Nov 3" 2.1" 0.9" 💧 Light watering
Dec 1.3" 0" ❄️ Dormant

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

Spinach 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.

Spinach needs ~808 GDD — county provides 4,541 GDD Excellent fit

Spinach Planting Timeline — Baylor County, TX

Spinach Planting Calendar

Activity When Date Range
Start Indoors February 14 Feb 14 – Feb 28
Transplant Outdoors March 21 Mar 21 – Apr 4
Direct Sow March 7 Mar 7 – Mar 28
Harvest April 25 Apr 25 – Jun 27
Fall Sowing September 6 Sep 6 – Sep 20

Plant 0.5" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

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

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

0.7"/week · Natural rainfall sufficient

📅 Days to Maturity

35–50 days

🧪 Soil pH

Needs 6.5–7.5 · Your soil: ideal

🗺️ USDA Zone

Zone 8a

📆 Growing Season

239 days in Baylor County

Growing Tips for Spinach in Baylor County

Direct sow Spinach outdoors after March 21 in Baylor County when soil has warmed and frost danger has passed.

Summer highs in Baylor County reach 92°F — grow Spinach as a spring or fall crop. Use shade cloth if planting in summer.

Your generous 239.0-day season in Baylor County allows multiple plantings of Spinach. Sow every 17.0 days for continuous harvest.

General growing tips

Direct sow as soon as soil can be worked in spring. Plant in partial shade for summer crops to delay bolting. Succession plant every 2 weeks for continuous harvest.

Recommended Spinach Varieties for Baylor County

Slow-bolting spinach for warm springs — best as fall crop here

Bloomsdale Long Standing Tyee Space

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

🌾 Save Your Own Spinach Seeds
Life Cycle Annual
Pollination Wind Pollinated
How to Collect Let plants bolt. Harvest seed stalks when seeds turn tan.
Storage Store airtight; viable 5 years at 35°F, under 45% humidity.

Wind pollinated — isolate 1/2 mile for purity. Easy to let bolt in heat.

Frequently Asked Questions

When should I plant Spinach in Baylor County, TX?

Baylor County is in Zone 8a with an average last frost of March 21. Plan your Spinach planting based on this frost date — see the calendar above for exact timing.

What planting zone is Baylor County, TX?

Baylor County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 21 and first fall frost is November 15.

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Your Baylor County Garden Planner — Free

A 24-page printable planner built for Baylor County (Zone 8a). 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 Baylor 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.