Growing Endive in Zone 1a
Zone 1a has harsh winters and a short growing season. Start Endive early indoors to maximize your harvest window. Last frost: May 25. First frost: Aug 28.
Planting Calendar
Season: May 25 – Aug 28 (95 days) · Succession: plant every 2 weeks (up to 3x)
When to Plant Endive in Zone 1a
Start Seeds Indoors: Apr 13
Start Endive seeds indoors around Apr 13 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 5–10 days.
Transplant Outdoors: May 11
Transplant Endive seedlings outdoors after May 11. Wait until soil temperature reaches 45°F. Space plants at 12/sqft. Harden off plants for a week before moving outside.
Harvest: Jun 15
First harvest approximately Jun 15 (~35 days from transplant). Continue harvesting until first frost (Aug 28).
Fall Planting: Jul 10
For a fall harvest, plant Endive around Jul 10 (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 1a?
Start Endive seeds indoors around Apr 13. Transplant outdoors after May 11. Expect first harvest around Jun 15.
What is the last frost date for Zone 1a?
The average last spring frost date for Zone 1a is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.
Can I grow Endive in Zone 1a?
Yes. Endive needs 50 days to harvest. Zone 1a has a 95-day growing season, which is sufficient. You can plant up to 3 successions.
What is the best month to plant Endive in Zone 1a?
The best time to start Endive in Zone 1a is Apr. Begin seeds indoors around Apr 13, then transplant outdoors after the last frost date of May 25.
How long does Endive take to harvest?
Endive takes approximately 50 days from planting to harvest. In Zone 1a, expect your first harvest around Jun 15.
Plan Your Endive Garden
Track Endive from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Endive Growing Guide