Endive illustration

Growing Endive in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Endive early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 22.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 3Sep 22

Season: May 15 – Sep 22 (130 days) · Succession: plant every 2 weeks (up to 5x)

Zone3b
Last FrostMay 15
First FrostSep 22
Season Length130 days
Days to Harvest50
SunPart Sun / Part Shade
Frost ToleranceModerate
Spacing12/sqft

When to Plant Endive in Zone 3b

Start Seeds Indoors: Apr 3

Start Endive seeds indoors around Apr 3 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 5–10 days.

Transplant Outdoors: May 1

Transplant Endive seedlings outdoors after May 1. Wait until soil temperature reaches 45°F. Space plants at 12/sqft. Harden off plants for a week before moving outside.

Harvest: Jun 5

First harvest approximately Jun 5 (~35 days from transplant). Continue harvesting until first frost (Sep 22).

Fall Planting: Aug 4

For a fall harvest, plant Endive around Aug 4 (7 weeks before first frost).

Frequently Asked Questions

When should I plant Endive in Zone 3b?

Start Endive seeds indoors around Apr 3. Transplant outdoors after May 1. Expect first harvest around Jun 5.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow Endive in Zone 3b?

Yes. Endive needs 50 days to harvest. Zone 3b has a 130-day growing season, which is sufficient. You can plant up to 5 successions.

What is the best month to plant Endive in Zone 3b?

The best time to start Endive in Zone 3b is Apr. Begin seeds indoors around Apr 3, then transplant outdoors after the last frost date of May 15.

How long does Endive take to harvest?

Endive takes approximately 50 days from planting to harvest. In Zone 3b, expect your first harvest around Jun 5.

Plan Your Endive Garden

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

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