Growing Belgian Endive in Zone 4a
Zone 4a has cold winters and a moderate growing season. Timing is key for Belgian Endive in this zone. Last frost: May 5. First frost: Oct 1.
Season Too Short
Belgian Endive needs 150 days to harvest, but Zone 4a has only a 149-day growing season. Consider short-season varieties or season extension techniques (cold frames, row covers).
When to Plant Belgian Endive in Zone 4a
Start Seeds Indoors: Mar 24
Start Belgian Endive seeds indoors around Mar 24 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 5–10 days.
Transplant Outdoors: Apr 21
Transplant Belgian Endive seedlings outdoors after Apr 21. 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 26
First harvest approximately May 26 (~35 days from transplant). Continue harvesting until first frost (Oct 1).
Fall Planting: Aug 13
For a fall harvest, plant Belgian Endive around Aug 13 (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 13bPlan Your Belgian Endive Garden
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