When to plant Sweet Corn in Gray County, KS
Aim to plant Sweet Corn in Gray County on or after April 25; the window stays open through May 16. Gray County's 184-day frost-free season gives you enough for a full main crop and a short fall succession.
When to Plant Sweet Corn in Gray County, KS
Sweet corn is bred for high sugar content in its kernels, which convert to starch rapidly after harvest. Modern supersweet varieties hold their sweetness longer.
Gray County, Kansas is in USDA Zone 6b. The average last spring frost is April 18 and the first fall frost is October 19, giving you a growing season of approximately 184 days.
At an elevation of 903 feet, Gray County receives approximately 30.6 inches of rainfall annually with predominantly loam soil. Summer highs average 86°F, providing good warmth for Sweet Corn during the growing season.
Gray County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Sweet Corn Planting Timeline — Gray County, KS
Sweet Corn Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 25 | Apr 25 – May 16 |
| Harvest | June 27 | Jun 27 – Aug 8 |
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
60–90 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 6b
📆 Growing Season
184 days in Gray County
Growing Tips for Gray County
Plant in blocks of at least 4 rows for wind pollination. Direct sow after soil is warm. Isolate supersweet varieties from other corn types to prevent cross-pollination.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Sweet Corn in Other Locations
Frequently Asked Questions
When should I plant Sweet Corn in Gray County, KS?
Gray County is in Zone 6b with an average last frost of April 18. Plan your Sweet Corn planting based on this frost date — see the calendar above for exact timing.
What planting zone is Gray County, KS?
Gray County, Kansas is in USDA Hardiness Zone 6b. The average last spring frost is April 18 and first fall frost is October 19.
When should I plant Sweet Corn in Gray County, KS?
In Gray County, KS, plant Sweet Corn after the last frost (around April 18) and before the first frost (around October 19). Best results when soil holds above 50°F.
What growing zone is Gray County, KS for Sweet Corn?
Gray County sits in USDA Zone 6b. Sweet Corn grows reliably in zones 3a through 11b, so it's a good fit here.
Can Sweet Corn grow in Gray County's climate?
Yes — Sweet Corn grows well in Gray County's temperate climate. Gray County averages a 184-day frost-free season, with last frost around April 18 and first frost around October 19.
Your Gray County Garden Planner — Free
A 22-page printable planner built for Gray County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.