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When to Plant Broccoli in Baldwin County, AL

Baldwin County, Alabama Zone 9a May

Top priorities for Baldwin County, Alabama gardeners in May

Each item below is timed to Baldwin County, Alabama's frost dates and soil temperatures. Skip nothing, stress about nothing.

Avg. last frost March 3
Avg. first frost November 24
Soil temp (4") 74°F
Watering Low
Pest pressure High
Daylight 13.6 hrs
  1. It's harvest week for broccoli

    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: broccoli

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Broccoli is a nutrient-dense cool-season crop that produces large central heads followed by smaller side shoots. It is one of the most popular garden vegetables.

Baldwin County, Alabama is in USDA Zone 9a. The average last spring frost is March 3 and the first fall frost is November 24, giving you a growing season of approximately 266 days.

At an elevation of 336 feet, Baldwin County receives approximately 53 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 95°F, so Broccoli may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Broccoli will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Broccoli root diseases.

Baldwin County, AL (Zone 9a) Long season
266 days
Last Spring Frost March 3
266 growing days
First Fall Frost November 24
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Baldwin County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.1-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (166 days to spare)
Start indoors: Jan 22 Transplant: Feb 19 🍅 Harvest: Apr 23 – Jun 4
Recommended (50%) ✓ Fits season (161 days to spare)
Start indoors: Feb 3 Transplant: Mar 3 🍅 Harvest: May 5 – Jun 16
Safe Start (90%) ✓ Fits season (161 days to spare)
Start indoors: Feb 20 Transplant: Mar 20 🍅 Harvest: May 22 – Jul 3

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 Baldwin County

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

Soil pH

Your soil pH (5.1–6.2) is more acidic than Broccoli prefers (6.0–7.0). Add garden lime to raise pH.

Soil Texture

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

Drainage

Drainage is adequate for Broccoli.

Organic Matter

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

How to Plant Broccoli

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

Fall planting: Sow 8 weeks before your first frost date for a fall harvest.

Succession Planting Broccoli

5
successive plantings in your 266-day season

Sow every 6.9 weeks. Last sowing by Aug 26 to harvest before frost.

For a dedicated fall crop, sow by Sep 29.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Broccoli

Broccoli needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Broccoli Needs Rainfall You Supplement Action
Jan 4.6" 0" ❄️ Dormant
Feb 4.4" 0" ❄️ Dormant
Mar 4.3" 5.2" 0" ✅ Rainfall sufficient
Apr 4.3" 4.1" 0.2" 💧 Light watering
May 4.3" 4.5" 0" ✅ Rainfall sufficient
Jun 4.3" 3.9" 0.4" 💧 Light watering
Jul 4.3" 5.3" 0" ✅ Rainfall sufficient
Aug 4.3" 5.5" 0" ✅ Rainfall sufficient
Sep 4.3" 3.8" 0.5" 💧 Light watering
Oct 4.3" 2.9" 1.4" 💧 Light watering
Nov 4.3" 4.1" 0.2" 💧 Light watering
Dec 4.6" 0" ❄️ Dormant

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

Broccoli 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.

Broccoli needs ~1,594 GDD — county provides 5,652 GDD Excellent fit

Broccoli Planting Timeline — Baldwin County, AL

Broccoli Planting Calendar

Activity When Date Range
Start Indoors February 3 Feb 3 – Feb 17
Transplant Outdoors March 3 Mar 3 – Mar 17
Direct Sow February 10 Feb 10 – Mar 3
Harvest May 5 May 5 – Jun 16
Fall Sowing September 29 Sep 29 – Oct 13

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

Month-by-Month Timeline

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

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Natural rainfall sufficient

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: too_acidic

🗺️ USDA Zone

Zone 9a

📆 Growing Season

266 days in Baldwin County

Growing Tips for Broccoli in Baldwin County

Direct sow Broccoli outdoors after March 03 in Baldwin County when soil has warmed and frost danger has passed.

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

Summer highs in Baldwin County reach 95°F — grow Broccoli as a spring or fall crop. Use shade cloth if planting in summer.

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

General growing tips

Start seeds indoors 6-8 weeks before last frost. Provide consistent moisture to prevent hollow stems. Harvest heads before yellow flowers appear.

Recommended Broccoli Varieties for Baldwin County

Heat-tolerant broccoli — plant as early spring or fall crop

Arcadia Marathon Green Magic

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Strawberries

Check more plant combinations with our Companion Planting Checker →

🌾 Save Your Own Broccoli Seeds
Life Cycle Biennial
Pollination Cross-Pollinated (insects)
How to Collect Allow plants to flower 2nd year; collect dry pods.
Storage Store airtight; viable 5 years at 35°F, under 50% humidity.

Isolate 1/2 mile from other brassicas. Biennial — must overwinter roots.

Frequently Asked Questions

When should I plant Broccoli in Baldwin County, AL?

Baldwin County is in Zone 9a with an average last frost of March 3. Plan your Broccoli planting based on this frost date — see the calendar above for exact timing.

What planting zone is Baldwin County, AL?

Baldwin County, Alabama is in USDA Hardiness Zone 9a. The average last spring frost is March 3 and first fall frost is November 24.

🌱

Your Baldwin County Garden Planner — Free

A 24-page printable planner built for Baldwin County (Zone 9a). 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 Baldwin 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.