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When to Plant Zucchini in Tuscaloosa County, AL

Tuscaloosa County, Alabama Zone 8b May

Top priorities for Tuscaloosa County, Alabama gardeners in May

May rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Tuscaloosa County, Alabama.

Avg. last frost March 22
Avg. first frost November 9
Soil temp (4") 67°F
Watering Moderate
Pest pressure Moderate
Daylight 13.7 hrs
  1. Harvest zucchini as they ripen

    Check every 1–2 days. Many of these get tough or go to seed if you wait too long.

June prep starts now
  • First harvests: zucchini

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Zucchini is an incredibly prolific summer squash that can produce an abundance of fruit from just a few plants. It is versatile in the kitchen from grilling to baking.

Tuscaloosa County, Alabama is in USDA Zone 8b. The average last spring frost is March 22 and the first fall frost is November 9, giving you a growing season of approximately 232 days.

At an elevation of 436 feet, Tuscaloosa County receives approximately 52.9 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94°F, providing good warmth for Zucchini during the growing season. Clay soil retains moisture well for Zucchini, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Zucchini root diseases.

Tuscaloosa County, AL (Zone 8b) Long season
232 days
Last Spring Frost March 22
232 growing days
First Fall Frost November 9
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Tuscaloosa County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (113 days to spare)
Start indoors: Feb 13 Transplant: Mar 27 🍅 Harvest: May 15 – Jul 10
Recommended (50%) ✓ Fits season (113 days to spare)
Start indoors: Feb 22 Transplant: Apr 5 🍅 Harvest: May 24 – Jul 19
Safe Start (90%) ✓ Fits season (107 days to spare)
Start indoors: Mar 17 Transplant: Apr 28 🍅 Harvest: Jun 16 – Aug 11

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 Tuscaloosa County

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

Soil pH

Your soil pH (5.5–6.2) is more acidic than Zucchini prefers (6.0–7.5). Add garden lime to raise pH.

Soil Texture

The clay loam soil in Tuscaloosa County is excellent for Zucchini — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.4%). Annual compost additions will help Zucchini.

How to Plant Zucchini

1"
Planting Depth
30"
Between Plants
42"
Between Rows

Succession Planting Zucchini

6
successive plantings in your 232-day season

Sow every 5.1 weeks. Last sowing by Sep 10 to harvest before frost.

Plant Water Budget

Plant needs
1.2″/week
Rainfall provides
1.0″/week
You supply
0.3″/week
Watering frequency Only during dry spells
Season total 600 gal / 100 sq ft
Drought risk

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

Monthly Watering Guide for Zucchini

Zucchini needs approximately 1.2 inches of water per week (5.2" per month). Here's how your county's rainfall compares month by month.

Month Zucchini Needs Rainfall You Supplement Action
Jan 4.5" 0" ❄️ Dormant
Feb 4.7" 0" ❄️ Dormant
Mar 5.2" 5.2" 0" ✅ Rainfall sufficient
Apr 5.2" 4.1" 1.1" 💧 Light watering
May 5.2" 3.6" 1.6" 💧 Light watering
Jun 5.2" 4.7" 0.5" 💧 Light watering
Jul 5.2" 5.3" 0" ✅ Rainfall sufficient
Aug 5.2" 4.4" 0.8" 💧 Light watering
Sep 5.2" 3.5" 1.7" 💧 Light watering
Oct 5.2" 3.9" 1.3" 💧 Light watering
Nov 5.2" 4.5" 0.7" 💧 Light watering
Dec 4.6" 0" ❄️ Dormant

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

Zucchini 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.

Zucchini needs ~1,076 GDD — county provides 4,756 GDD Excellent fit

Zucchini Planting Timeline — Tuscaloosa County, AL

Zucchini Planting Calendar

Activity When Date Range
Start Indoors February 22 Feb 22 – Mar 8
Transplant Outdoors April 5 Apr 5 – Apr 19
Direct Sow March 29 Mar 29 – Apr 19
Harvest May 24 May 24 – Jul 19

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

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

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1.2"/week · Only during dry spells

📅 Days to Maturity

45–60 days

🧪 Soil pH

Needs 6–7.5 · Your soil: too_acidic

🗺️ USDA Zone

Zone 8b

📆 Growing Season

232 days in Tuscaloosa County

Growing Tips for Zucchini in Tuscaloosa County

Direct sow Zucchini outdoors after March 22 in Tuscaloosa County when soil has warmed and frost danger has passed.

With Tuscaloosa County's clay soil (33% clay), work in 3-4 inches of compost before planting Zucchini. Avoid tilling when soil is wet to prevent compaction.

Your generous 232.0-day season in Tuscaloosa County allows multiple plantings of Zucchini. Sow every 22.0 days for continuous harvest.

Common pests for Zucchini in this region include squash vine borer and cucumber beetles. Use row covers early in the season and inspect plants weekly.

General growing tips

Direct sow after last frost. Harvest when fruits are 6-8 inches long for best flavor and texture. Check plants daily in summer as fruits can double in size overnight.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Zucchini in Tuscaloosa County, AL?

Tuscaloosa County is in Zone 8b with an average last frost of March 22. Plan your Zucchini planting based on this frost date — see the calendar above for exact timing.

What planting zone is Tuscaloosa County, AL?

Tuscaloosa County, Alabama is in USDA Hardiness Zone 8b. The average last spring frost is March 22 and first fall frost is November 9.

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Your Tuscaloosa County Garden Planner — Free

A 24-page printable planner built for Tuscaloosa 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.

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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 Tuscaloosa County, AL. 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.