Blog

When to plant Broccoli in Montgomery County, MO

Aim to plant Broccoli in Montgomery County on or after March 27; the window stays open through April 17. Montgomery County's 199-day frost-free season gives you enough for a full main crop and a short fall succession. A second sowing from August 17 to August 31 extends the harvest into fall.

When to Plant Broccoli in Montgomery County, MO

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.

Montgomery County, Missouri is in USDA Zone 6b. The average last spring frost is April 10 and the first fall frost is October 26, giving you a growing season of approximately 199 days.

At an elevation of 911 feet, Montgomery County receives approximately 40 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Broccoli during the growing season.

Montgomery County, MO (Zone 6b) Moderate season
199 days
Last Spring Frost April 10
199 growing days
First Fall Frost October 26

Montgomery County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

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 Montgomery County's 199-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Broccoli Planting Timeline — Montgomery County, MO

Broccoli Planting Calendar

Activity When Date Range
Start Indoors March 6 Mar 6 – Mar 20
Transplant Outdoors April 10 Apr 10 – Apr 24
Direct Sow March 27 Mar 27 – Apr 17
Harvest June 12 Jun 12 – Jul 24
Fall Sowing August 17 Aug 17 – Aug 31

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May
June Harvest
July Harvest
August Fall Sowing
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 6b

📆 Growing Season

199 days in Montgomery County

Growing Tips for Montgomery 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 Montgomery County, MO?

Montgomery County is in Zone 6b with an average last frost of April 10. Plan your Broccoli planting based on this frost date — see the calendar above for exact timing.

What planting zone is Montgomery County, MO?

Montgomery County, Missouri is in USDA Hardiness Zone 6b. The average last spring frost is April 10 and first fall frost is October 26.

When should I plant Broccoli in Montgomery County, MO?

In Montgomery County, MO, plant Broccoli after the last frost (around April 10) and before the first frost (around October 26). Best results when soil holds above 50°F.

What growing zone is Montgomery County, MO for Broccoli?

Montgomery County sits in USDA Zone 6b. Broccoli grows reliably in zones 2a through 11b, so it's a good fit here.

Can Broccoli grow in Montgomery County's climate?

Yes — Broccoli grows well in Montgomery County's temperate climate. Montgomery County averages a 199-day frost-free season, with last frost around April 10 and first frost around October 26.

🌱

Your Montgomery County Garden Planner — Free

A 22-page printable planner built for Montgomery County (Zone 6b). 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 Montgomery County, MO. Local conditions may vary. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.