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🌽 Growing Corn in Zone 5a
Zone 5a has cold winters and a moderate growing season. Timing is key for Corn in this zone. Last frost: Apr 28. First frost: Oct 8.
Planting Calendar
Season: Apr 28 – Oct 8 (163 days) · Succession: plant every 2 weeks (up to 5x)
When to Plant Corn in Zone 5a
Sow Seeds Outdoors: May 5
Direct sow Corn seeds outdoors around May 5. Soil temperature should be at least 60°F. Space at 4/sqft (6" apart).
Harvest: Jul 29
First harvest approximately Jul 29 (~85 days from planting). Continue harvesting until first frost (Oct 8).
Companion Planting
Corn 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 Corn in Zone 5a?
Direct sow Corn outdoors around May 5. Harvest around Jul 29.
What is the last frost date for Zone 5a?
The average last spring frost date for Zone 5a is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.
Can I grow Corn in Zone 5a?
Yes. Corn needs 85 days to harvest. Zone 5a has a 163-day growing season, which is sufficient. You can plant up to 5 successions.
What is the best month to plant Corn in Zone 5a?
The best time to plant Corn in Zone 5a is around May 5, when soil temperatures are suitable and frost risk has passed.
What companion plants grow well with Corn?
Good companion plants for Corn include Beans, Squash, Cucumbers, Peas, Pumpkins. Avoid planting Corn near Tomatoes.
How long does Corn take to harvest?
Corn takes approximately 85 days from planting to harvest. In Zone 5a, expect your first harvest around Jul 29.
Plan Your Corn Garden
Track Corn from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Corn Growing Guide