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🥦 Growing Broccoli in Zone 2b

Zone 2b has harsh winters and a short growing season. Start Broccoli early indoors to maximize your harvest window. Last frost: May 25. First frost: Aug 28.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 13Aug 28

Season: May 25 – Aug 28 (95 days)

Zone2b

Last FrostMay 25

First FrostAug 28

Season Length95 days

Days to Harvest70

SunFull Sun

Frost ToleranceHeavy

Spacing1/sqft (12" apart)

When to Plant Broccoli in Zone 2b

Start Seeds Indoors: Apr 13

Start Broccoli seeds indoors around Apr 13 (6 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 5–10 days.

Transplant Outdoors: Jun 8

Transplant Broccoli seedlings outdoors after Jun 8. Wait until soil temperature reaches 50°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: Aug 7

First harvest approximately Aug 7 (~60 days from transplant). Continue harvesting until first frost (Aug 28).

Fall Planting: Jun 5

For a fall harvest, plant Broccoli around Jun 5 (12 weeks before first frost).

Companion Planting

✅ Sage ✅ Rosemary ✅ Mint ✅ Chamomile ✅ Dill

❌ Strawberries❌ Tomatoes❌ Beans

Broccoli in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Frequently Asked Questions

When should I plant Broccoli in Zone 2b?

Start Broccoli seeds indoors around Apr 13. Transplant outdoors after Jun 8. Expect first harvest around Aug 7.

What is the last frost date for Zone 2b?

The average last spring frost date for Zone 2b is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow Broccoli in Zone 2b?

Yes. Broccoli needs 70 days to harvest. Zone 2b has a 95-day growing season, which is sufficient.

What is the best month to plant Broccoli in Zone 2b?

The best time to start Broccoli in Zone 2b is Apr. Begin seeds indoors around Apr 13, then transplant outdoors after the last frost date of May 25.

What companion plants grow well with Broccoli?

Good companion plants for Broccoli include Sage, Rosemary, Mint, Chamomile, Dill. Avoid planting Broccoli near Strawberries, Tomatoes, Beans.

How long does Broccoli take to harvest?

Broccoli takes approximately 70 days from planting to harvest. In Zone 2b, expect your first harvest around Aug 7.

Plan Your Broccoli Garden

Track Broccoli from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Broccoli Growing Guide