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⚪ Growing Turnip in Zone 4b
Zone 4b has cold winters and a moderate growing season. Timing is key for Turnip in this zone. Last frost: May 1. First frost: Oct 5.
Planting Calendar
Season: May 1 – Oct 5 (157 days) · Succession: plant every 3 weeks (up to 5x)
When to Plant Turnip in Zone 4b
Sow Seeds Outdoors: Apr 10
Direct sow Turnip seeds outdoors around Apr 10. Soil temperature should be at least 40°F. Space at 9/sqft (4" apart).
Harvest: May 25
First harvest approximately May 25 (~45 days from planting). Continue harvesting until first frost (Oct 5).
Fall Planting: Aug 10
For a fall harvest, plant Turnip around Aug 10 (8 weeks before first frost).
Companion Planting
Turnip 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 Turnip in Zone 4b?
Direct sow Turnip outdoors around Apr 10. Harvest around May 25.
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 Turnip in Zone 4b?
Yes. Turnip needs 45 days to harvest. Zone 4b has a 157-day growing season, which is sufficient. You can plant up to 5 successions.
What is the best month to plant Turnip in Zone 4b?
The best time to plant Turnip in Zone 4b is around Apr 10, when soil temperatures are suitable and frost risk has passed.
What companion plants grow well with Turnip?
Good companion plants for Turnip include Peas, Vetch. Avoid planting Turnip near Knapweed, Mustard Greens.
How long does Turnip take to harvest?
Turnip takes approximately 45 days from planting to harvest. In Zone 4b, expect your first harvest around May 25.
Plan Your Turnip Garden
Track Turnip from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Turnip Growing Guide