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🥔 Growing Potato in Zone 4b
Zone 4b has cold winters and a moderate growing season. Timing is key for Potato in this zone. Last frost: May 1. First frost: Oct 5.
Planting Calendar
Season: May 1 – Oct 5 (157 days)
When to Plant Potato in Zone 4b
Sow Seeds Outdoors: Apr 17
Direct sow Potato seeds outdoors around Apr 17. Soil temperature should be at least 45°F. Space at 1/sqft (12" apart).
Harvest: Jul 16
First harvest approximately Jul 16 (~90 days from planting). Continue harvesting until first frost (Oct 5).
Companion Planting
Potato 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 Potato in Zone 4b?
Direct sow Potato outdoors around Apr 17. Harvest around Jul 16.
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 Potato in Zone 4b?
Yes. Potato needs 90 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.
What is the best month to plant Potato in Zone 4b?
The best time to plant Potato in Zone 4b is around Apr 17, when soil temperatures are suitable and frost risk has passed.
What companion plants grow well with Potato?
Good companion plants for Potato include Cabbage, Marigolds, Eggplant, Corn, Beans. Avoid planting Potato near Tomatoes, Pumpkins, Cucumbers, Squash.
How long does Potato take to harvest?
Potato takes approximately 90 days from planting to harvest. In Zone 4b, expect your first harvest around Jul 16.
Plan Your Potato Garden
Track Potato from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Potato Growing Guide