Kale illustration 🥬

🥬 Growing Kale in Zone 2b

Zone 2b has harsh winters and a short growing season. Start Kale 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 Harvest60
SunPart Sun / Part Shade
Frost ToleranceHeavy
Spacing1/sqft (12" apart)

When to Plant Kale in Zone 2b

Start Seeds Indoors: Apr 13

Start Kale seeds indoors around Apr 13 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 5–10 days.

Transplant Outdoors: Apr 27

Transplant Kale seedlings outdoors after Apr 27. Wait until soil temperature reaches 40°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: Jun 11

First harvest approximately Jun 11 (~45 days from transplant). Continue harvesting until first frost (Aug 28). Kale can overwinter in mild climates for continued harvest.

Fall Planting: Jul 3

For a fall harvest, plant Kale around Jul 3 (8 weeks before first frost).

Companion Planting

✅ Sage✅ Dill✅ Onions✅ Beets✅ Potatoes
❌ Strawberries

Frequently Asked Questions

When should I plant Kale in Zone 2b?

Start Kale seeds indoors around Apr 13. Transplant outdoors after Apr 27. Expect first harvest around Jun 11.

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 Kale in Zone 2b?

Yes. Kale needs 60 days to harvest. Zone 2b has a 95-day growing season, which is sufficient.

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

The best time to start Kale 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 Kale?

Good companion plants for Kale include Sage, Dill, Onions, Beets, Potatoes. Avoid planting Kale near Strawberries.

How long does Kale take to harvest?

Kale takes approximately 60 days from planting to harvest. In Zone 2b, expect your first harvest around Jun 11.

Plan Your Kale Garden

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

Start Free Kale Growing Guide