When to Plant Corn in El Dorado County, CA
Corn is a warm-season grass grown for its sweet ears, which are best eaten soon after harvest. It is wind-pollinated and must be planted in blocks for good kernel fill.
El Dorado County, California is in USDA Zone 7a. The average last spring frost is April 11 and the first fall frost is November 22, giving you a growing season of approximately 225 days.
At an elevation of 2,714 feet, El Dorado County receives approximately 41 inches of rainfall annually with predominantly loam soil. Summer highs average 83°F, so choose short-season varieties of Corn to ensure they mature before fall.
El Dorado County Soil Profile
Soil Type
Loam
Soil pH
6.3-7.2
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Corn Planting Timeline — El Dorado County, CA
Corn Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 18 | Apr 18 – May 9 |
| Harvest | June 20 | Jun 20 – Aug 15 |
Plant 1" deep · 12" apart · Rows 36" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Direct Sow |
| May | Direct Sow |
| June | Harvest |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
60–100 days
Soil pH
6 – 7
USDA Zone
Zone 7a
Growing Season
225 days
Growing Tips for El Dorado County
Plant in blocks of at least 4 rows rather than single rows for proper pollination. Direct sow after soil reaches 60F. Side-dress with nitrogen when plants are knee-high.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Corn in Other Locations
Frequently Asked Questions
When should I plant Corn in El Dorado County, CA?
El Dorado County is in Zone 7a with an average last frost of April 11. Plan your Corn planting based on this frost date — see the calendar above for exact timing.
What planting zone is El Dorado County, CA?
El Dorado County, California is in USDA Hardiness Zone 7a. The average last spring frost is April 11 and first fall frost is November 22.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help El Dorado County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.
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