Potato illustration 🥔

🥔 Growing Potato in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Potato in this zone. Last frost: May 5. First frost: Oct 1.

Planting Calendar

Outdoor
Harvest
Apr 21Oct 1

Season: May 5 – Oct 1 (149 days)

Zone4a
Last FrostMay 5
First FrostOct 1
Season Length149 days
Days to Harvest90
SunFull Sun
Frost ToleranceModerate
Spacing1/sqft (12" apart)

When to Plant Potato in Zone 4a

Sow Seeds Outdoors: Apr 21

Direct sow Potato seeds outdoors around Apr 21. Soil temperature should be at least 45°F. Space at 1/sqft (12" apart).

Harvest: Jul 20

First harvest approximately Jul 20 (~90 days from planting). Continue harvesting until first frost (Oct 1).

Companion Planting

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

Frequently Asked Questions

When should I plant Potato in Zone 4a?

Direct sow Potato outdoors around Apr 21. Harvest around Jul 20.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Can I grow Potato in Zone 4a?

Yes. Potato needs 90 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

What is the best month to plant Potato in Zone 4a?

The best time to plant Potato in Zone 4a is around Apr 21, 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 4a, expect your first harvest around Jul 20.

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