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🌽 Growing Corn in Zone 12b
Zone 12b has a year-round growing season. Corn can be planted almost any time with proper planning. Last frost: Jan 1. First frost: Dec 31.
Planting Calendar
Season: Jan 1 – Dec 31 (364 days) · Succession: plant every 2 weeks (up to 19x)
When to Plant Corn in Zone 12b
Sow Seeds Outdoors: Jan 8
Direct sow Corn seeds outdoors around Jan 8. Soil temperature should be at least 60°F. Space at 4/sqft (6" apart).
Harvest: Apr 3
First harvest approximately Apr 3 (~85 days from planting). Continue harvesting until first frost (Dec 31).
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 12b?
Direct sow Corn outdoors around Jan 8. Harvest around Apr 3.
What is the last frost date for Zone 12b?
The average last spring frost date for Zone 12b is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.
Can I grow Corn in Zone 12b?
Yes. Corn needs 85 days to harvest. Zone 12b has a 364-day growing season, which is sufficient. You can plant up to 19 successions.
What is the best month to plant Corn in Zone 12b?
The best time to plant Corn in Zone 12b is around Jan 8, 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 12b, expect your first harvest around Apr 3.
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