When to plant Corn in Pitkin County, CO
Pitkin County's short 83-day growing season means one Corn planting between June 23 and July 14. No fall crop in Zone 5a.
When to Plant Corn in Pitkin County, CO
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.
Pitkin County, Colorado is in USDA Zone 5a. The average last spring frost is June 16 and the first fall frost is September 7, giving you a growing season of approximately 83 days.
At an elevation of 6,411 feet, Pitkin County receives approximately 17.8 inches of rainfall annually with predominantly loam soil. Summer highs average 82°F, so choose short-season varieties of Corn to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Corn successfully. Mulch heavily to conserve soil moisture.
Pitkin County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
How Much Corn to Grow
For a family of 4, plant approximately 60 corn plants in about 120 sq ft. In Pitkin County's 83-day season, you'll have plenty of time for a full harvest. Plan your garden layout →
Corn Planting Timeline — Pitkin County, CO
Corn Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | June 23 | Jun 23 – Jul 14 |
| Harvest | August 25 | Aug 25 – Oct 20 |
Plant 1" deep · 12" apart · Rows 36" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | Direct Sow |
| July | Direct Sow |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
60–100 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5a
📆 Growing Season
83 days in Pitkin County
Growing Tips for Pitkin 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
Check more plant combinations with our Companion Planting Checker →
Corn in Other Locations
Frequently Asked Questions
When should I plant Corn in Pitkin County, CO?
Pitkin County is in Zone 5a with an average last frost of June 16. Plan your Corn planting based on this frost date — see the calendar above for exact timing.
What planting zone is Pitkin County, CO?
Pitkin County, Colorado is in USDA Hardiness Zone 5a. The average last spring frost is June 16 and first fall frost is September 7.
When should I plant Corn in Pitkin County, CO?
In Pitkin County, CO, plant Corn after the last frost (around June 16) and before the first frost (around September 7). Best results when soil holds above 50°F.
What growing zone is Pitkin County, CO for Corn?
Pitkin County sits in USDA Zone 5a. Corn grows reliably in zones 3a through 11b, so it's a good fit here.
Can Corn grow in Pitkin County's climate?
Yes — Corn grows well in Pitkin County's temperate climate. Pitkin County averages a 83-day frost-free season, with last frost around June 16 and first frost around September 7.
Your Pitkin County Garden Planner — Free
A 22-page printable planner built for Pitkin County (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.