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When to plant Broccoli in York County, ME

For York County, gardeners: plant Broccoli April 23 through May 14 once soil reads 50°F. A second sowing from July 30 to August 13 extends the harvest into fall.

When to Plant Broccoli in York County, ME

Broccoli

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.

York County, Maine is in USDA Zone 5b. The average last spring frost is May 7 and the first fall frost is October 8, giving you a growing season of approximately 154 days.

At an elevation of 794 feet, York County receives approximately 47.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Broccoli to ensure they mature before fall.

York County, ME (Zone 5b) Moderate season
154 days
Last Spring Frost May 7
154 growing days
First Fall Frost October 8

York County Soil Profile

Soil Type

Silt Loam

Soil pH

5-6.5

Drainage

Well Drained

How Much Broccoli to Grow

1-2 lbs
Average yield per plant
3
Plants per person
6 sq ft
Space per person

For a family of 4, plant approximately 12 broccoli plants in about 24 sq ft. In York County's 154-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

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 3.3" 0" ❄️ Dormant
Feb 3.4" 0" ❄️ Dormant
Mar 4.1" 0" ❄️ Dormant
Apr 4.1" 0" ❄️ Dormant
May 4.3" 4.5" 0" ✅ Rainfall sufficient
Jun 4.3" 4.6" 0" ✅ Rainfall sufficient
Jul 4.3" 4.9" 0" ✅ Rainfall sufficient
Aug 4.3" 4.1" 0.2" 💧 Light watering
Sep 4.3" 4.1" 0.2" 💧 Light watering
Oct 4.3" 4" 0.3" 💧 Light watering
Nov 3.1" 0" ❄️ Dormant
Dec 3.6" 0" ❄️ Dormant

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

Broccoli Planting Timeline — York County, ME

Broccoli Planting Calendar

Activity When Date Range
Start Indoors April 2 Apr 2 – Apr 16
Transplant Outdoors May 7 May 7 – May 21
Direct Sow April 23 Apr 23 – May 14
Harvest July 9 Jul 9 – Aug 20
Fall Sowing July 30 Jul 30 – Aug 13

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5b

📆 Growing Season

154 days in York County

Growing Tips for York County

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

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 York County, ME?

York County is in Zone 5b with an average last frost of May 7. Plan your Broccoli planting based on this frost date — see the calendar above for exact timing.

What planting zone is York County, ME?

York County, Maine is in USDA Hardiness Zone 5b. The average last spring frost is May 7 and first fall frost is October 8.

When should I plant Broccoli in York County, ME?

In York County, ME, plant Broccoli after the last frost (around May 7) and before the first frost (around October 8). Best results when soil holds above 50°F.

What growing zone is York County, ME for Broccoli?

York County sits in USDA Zone 5b. Broccoli grows reliably in zones 2a through 11b, so it's a good fit here.

Can Broccoli grow in York County's climate?

Yes — Broccoli grows well in York County's temperate climate. York County averages a 154-day frost-free season, with last frost around May 7 and first frost around October 8.

🌱

Your York County Garden Planner — Free

A 22-page printable planner built for York County (Zone 5b). 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 York County, ME. Local conditions may vary. Last updated: June 2026.

Sources & credits

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