Growing Endive in Zone 4b
Zone 4b has cold winters and a moderate growing season. Timing is key for Endive in this zone. Last frost: May 1. First frost: Oct 5.
Planting Calendar
Season: May 1 – Oct 5 (157 days) · Succession: plant every 2 weeks (up to 7x)
When to Plant Endive in Zone 4b
Start Seeds Indoors: Mar 20
Start 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 Endive seedlings outdoors after Apr 17. Wait until soil temperature reaches 45°F. Space plants at 12/sqft. 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 Endive around Aug 17 (7 weeks before first frost).
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 13bFrequently Asked Questions
When should I plant Endive in Zone 4b?
Start 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 Endive in Zone 4b?
Yes. Endive needs 50 days to harvest. Zone 4b has a 157-day growing season, which is sufficient. You can plant up to 7 successions.
What is the best month to plant Endive in Zone 4b?
The best time to start Endive in Zone 4b is Mar. Begin seeds indoors around Mar 20, then transplant outdoors after the last frost date of May 1.
How long does Endive take to harvest?
Endive takes approximately 50 days from planting to harvest. In Zone 4b, expect your first harvest around May 22.
Plan Your Endive Garden
Track Endive from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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