When should I plant Belgian Endive in Zone 4b?

Start Belgian Endive seeds indoors around Mar 20. Transplant outdoors after Apr 17. Expect first harvest around May 22.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Can I grow Belgian Endive in Zone 4b?

Yes. Belgian Endive needs 150 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

Growing Belgian Endive in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Belgian Endive in this zone. Last frost: May 1. First frost: Oct 5.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 20Oct 5

Season: May 1 – Oct 5 (157 days)

Zone4b

Last FrostMay 1

First FrostOct 5

Season Length157 days

Days to Harvest150

SunPart Sun / Part Shade

Frost ToleranceModerate

Spacing4/sqft (6" apart)

When to Plant Belgian Endive in Zone 4b

Start Seeds Indoors: Mar 20

Start Belgian Endive seeds indoors around Mar 20 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 5–10 days.

Transplant Outdoors: Apr 17

Transplant Belgian Endive seedlings outdoors after Apr 17. Wait until soil temperature reaches 45°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: May 22

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

Fall Planting: Aug 17

For a fall harvest, plant Belgian Endive around Aug 17 (7 weeks before first frost).

Belgian Endive 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

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