When to plant Sweet Corn in Randolph County, AR
For Randolph County, gardeners: plant Sweet Corn April 3 through April 24 once soil reads 50°F.
When to Plant Sweet Corn in Randolph County, AR
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.
Randolph County, Arkansas is in USDA Zone 7b. The average last spring frost is March 27 and the first fall frost is November 2, giving you a growing season of approximately 220 days.
At an elevation of 308 feet, Randolph County receives approximately 52.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 93°F, providing good warmth for Sweet Corn during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Sweet Corn root diseases.
Randolph County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Sweet Corn Planting Timeline — Randolph County, AR
Sweet Corn Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 3 | Apr 3 – Apr 24 |
| Harvest | June 5 | Jun 5 – Jul 17 |
Plant 1" deep · 12" apart · Rows 36" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | — |
| 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 7b
📆 Growing Season
220 days in Randolph County
Growing Tips for Randolph 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 Randolph County, AR?
Randolph County is in Zone 7b with an average last frost of March 27. Plan your Sweet Corn planting based on this frost date — see the calendar above for exact timing.
What planting zone is Randolph County, AR?
Randolph County, Arkansas is in USDA Hardiness Zone 7b. The average last spring frost is March 27 and first fall frost is November 2.
When should I plant Sweet Corn in Randolph County, AR?
In Randolph County, AR, plant Sweet Corn after the last frost (around March 27) and before the first frost (around November 2). Best results when soil holds above 50°F.
What growing zone is Randolph County, AR for Sweet Corn?
Randolph County sits in USDA Zone 7b. Sweet Corn grows reliably in zones 3a through 11b, so it's a good fit here.
Can Sweet Corn grow in Randolph County's climate?
Yes — Sweet Corn grows well in Randolph County's temperate climate. Randolph County averages a 220-day frost-free season, with last frost around March 27 and first frost around November 2.
Your Randolph County Garden Planner — Free
A 22-page printable planner built for Randolph County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.