When to Plant Broccoli in USDA Zone 2a
This month in Zone 2a
April rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Zone 2a.
May prep starts now
- Transplants going out: broccoli
- Direct-sowing: 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.
In Zone 2a, the average last spring frost is around May 30 and the first fall frost is around September 1, giving you a growing season of approximately 94 days.
Broccoli Planting Timeline — Zone 2a
Where Is USDA Zone 2a?
The map below highlights the states that contain Zone 2a. Click any state to see the Broccoli planting schedule for that location.
Broccoli Planting Calendar — Zone 2a
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 18 | Apr 18 – May 2 |
| Transplant Outdoors | May 30 | May 30 – Jun 13 |
| Direct Sow | May 23 | May 23 – Jun 13 |
| Harvest | August 1 | Aug 1 – Sep 12 |
| Fall Sowing | June 9 | Jun 9 – Jun 23 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors |
| May | Start Indoors Transplant Outdoors Direct Sow |
| June | Transplant Outdoors Direct Sow Fall Sowing |
| July | — |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Free Zone 2a Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 2a with start dates, transplant windows, and harvest times.
Growing Conditions
Sun
Full Sun (6-8+ hours)
💧 Water
1"/week · Moderate — regular watering
Days to Maturity
60–90 days
Soil pH
6 – 7
Zone Temperature Range
°F to °F average annual minimum
Growing Season
94 days (Zone average)
Planting Specifications
| Planting Depth | 1 inches |
| Plant Spacing | 15 inches apart |
| Row Spacing | 24 inches between rows |
Growing Tips for Broccoli in Zone
Zone has a short growing season (~94 days). Start Broccoli indoors early and use season-extension techniques like row covers and cold frames.
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
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Saving Broccoli Seeds
Isolate 1/2 mile from other brassicas. Biennial — must overwinter roots.
Recommended for Your Garden
Start seeds indoors with reusable cell trays and humidity domes.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Keep your garden organized with durable, weather-resistant plant labels.
Related Plants
Broccoli in Other Zones
Broccoli by State
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Frequently Asked Questions
When should I plant Broccoli in Zone 2a?
In Zone 2a, plan your Broccoli planting around the average last frost date of May 30. Start seeds indoors around April 18. Direct sow outdoors around May 23. Transplant seedlings around May 30.
Can Broccoli grow in Zone 2a?
Yes, Broccoli can grow well in Zone 2a, hardy in USDA zones 2a through 11b. Zone 2a has a growing season of approximately 94 days, which is sufficient for Broccoli (60-90 days to maturity).
When can I harvest Broccoli in Zone 2a?
In Zone 2a, expect to harvest Broccoli from August 1 – September 12. Broccoli takes 60-90 days from planting to harvest.
What is the last frost date for Zone 2a?
The average last spring frost in Zone 2a is around May 30, and the first fall frost is around September 1. This gives a growing season of approximately 94 days. These are 50% probability dates — actual frost dates vary year to year.
What should I plant next to Broccoli?
Good companion plants for Broccoli include Celery, Onion, Potatoes, Dill. These companions can help with pest control, pollination, and nutrient sharing.
Your Free Printable Garden Planner
A 24-page printable planner tailored to your zone. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.