Potato illustration 🥔

🥔 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

Outdoor
Harvest
Apr 17Oct 5

Season: May 1 – Oct 5 (157 days)

Zone4b
Last FrostMay 1
First FrostOct 5
Season Length157 days
Days to Harvest90
SunFull Sun
Frost ToleranceModerate
Spacing1/sqft (12" apart)

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

✅ Cabbage✅ Marigolds✅ Eggplant✅ Corn✅ Beans
❌ Tomatoes❌ Pumpkins❌ Cucumbers❌ Squash

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