When to plant Cucumber in Calhoun County, IA
Calhoun County sits in USDA Zone 5a. Plant Cucumber between May 2 (after last frost on April 25) and May 23.
When to Plant Cucumber in Calhoun County, IA
Cucumbers are a warm-season vine crop available in slicing and pickling varieties. They are prolific producers when given warmth, moisture, and a trellis to climb.
Calhoun County, Iowa is in USDA Zone 5a. The average last spring frost is April 25 and the first fall frost is October 6, giving you a growing season of approximately 164 days.
At an elevation of 1,052 feet, Calhoun County receives approximately 30.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 82°F, so choose short-season varieties of Cucumber to ensure they mature before fall.
Calhoun County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Cucumber Planting Timeline — Calhoun County, IA
Cucumber Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 21 | Mar 21 – Apr 4 |
| Transplant Outdoors | May 9 | May 9 – May 23 |
| Direct Sow | May 2 | May 2 – May 23 |
| Harvest | July 4 | Jul 4 – Aug 29 |
Plant 0.5" deep · 24" apart · Rows 48" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
High — keep soil consistently moist
📅 Days to Maturity
50–70 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5a
📆 Growing Season
164 days in Calhoun County
Growing Tips for Calhoun County
Direct sow after last frost or start indoors 3 weeks early. Provide a trellis for vining types to save space and improve air circulation. Harvest frequently to encourage production.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Cucumber in Other Locations
Frequently Asked Questions
When should I plant Cucumber in Calhoun County, IA?
Calhoun County is in Zone 5a with an average last frost of April 25. Plan your Cucumber planting based on this frost date — see the calendar above for exact timing.
What planting zone is Calhoun County, IA?
Calhoun County, Iowa is in USDA Hardiness Zone 5a. The average last spring frost is April 25 and first fall frost is October 6.
When should I plant Cucumber in Calhoun County, IA?
In Calhoun County, IA, plant Cucumber after the last frost (around April 25) and before the first frost (around October 6). Best results when soil holds above 50°F.
What growing zone is Calhoun County, IA for Cucumber?
Calhoun County sits in USDA Zone 5a. Cucumber grows reliably in zones 3a through 11b, so it's a good fit here.
Can Cucumber grow in Calhoun County's climate?
Yes — Cucumber grows well in Calhoun County's temperate climate. Calhoun County averages a 164-day frost-free season, with last frost around April 25 and first frost around October 6.
Your Calhoun County Garden Planner — Free
A 22-page printable planner built for Calhoun 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.