Growing Perpetual Spinach in Zone 1b
Zone 1b has harsh winters and a short growing season. Start Perpetual Spinach 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 Perpetual Spinach in Zone 1b
Start Seeds Indoors: Apr 13
Start Perpetual Spinach seeds indoors around Apr 13 (6 weeks before last frost). Optimal germination temperature: 60°F. Germinates in 6–14 days.
Transplant Outdoors: Apr 27
Transplant Perpetual Spinach seedlings outdoors after Apr 27. Wait until soil temperature reaches 35°F. Space plants at 9/sqft (4" apart). Harden off plants for a week before moving outside.
Harvest: Jun 16
First harvest approximately Jun 16 (~50 days from planting). Continue harvesting until first frost (Aug 28). Perpetual Spinach can overwinter in mild climates for continued harvest.
Fall Planting: Jul 17
For a fall harvest, plant Perpetual Spinach around Jul 17 (6 weeks before first frost).
Perpetual Spinach 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 Perpetual Spinach in Zone 1b?
Start Perpetual Spinach seeds indoors around Apr 13. Transplant outdoors after Apr 27. Expect first harvest around Jun 16.
What is the last frost date for Zone 1b?
The average last spring frost date for Zone 1b is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.
Can I grow Perpetual Spinach in Zone 1b?
Yes. Perpetual Spinach needs 50 days to harvest. Zone 1b has a 95-day growing season, which is sufficient. You can plant up to 3 successions.
What is the best month to plant Perpetual Spinach in Zone 1b?
The best time to start Perpetual Spinach in Zone 1b is Apr. Begin seeds indoors around Apr 13, then transplant outdoors after the last frost date of May 25.
How long does Perpetual Spinach take to harvest?
Perpetual Spinach takes approximately 50 days from planting to harvest. In Zone 1b, expect your first harvest around Jun 16.
Plan Your Perpetual Spinach Garden
Track Perpetual Spinach from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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