When to plant Pole Beans in Howard County, IA
Spring Pole Beans in Howard County goes in May 18–June 8, once nighttime temps stop dipping near freezing.
When to Plant Pole Beans in Howard County, IA
Pole beans are climbing varieties of green beans that produce over a much longer season than bush types. They require trellising but yield more per square foot.
Howard County, Iowa is in USDA Zone 4b. The average last spring frost is May 4 and the first fall frost is October 5, giving you a growing season of approximately 154 days.
At an elevation of 1,297 feet, Howard County receives approximately 39.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Pole Beans to ensure they mature before fall.
Howard County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Pole Beans Planting Timeline — Howard County, IA
Pole Beans Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 2 | Mar 2 – Mar 16 |
| Transplant Outdoors | May 25 | May 25 – Jun 8 |
| Direct Sow | May 18 | May 18 – Jun 8 |
| Harvest | July 20 | Jul 20 – Sep 14 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | — |
| May | Transplant Outdoors Direct Sow |
| June | Transplant Outdoors Direct Sow |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
55–70 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 4b
📆 Growing Season
154 days in Howard County
Growing Tips for Howard County
Provide sturdy 6-8 foot poles, tepees, or trellises. Direct sow after last frost. Pick regularly to encourage continued production. Beans fix nitrogen benefiting following crops.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Pole Beans in Other Locations
Frequently Asked Questions
When should I plant Pole Beans in Howard County, IA?
Howard County is in Zone 4b with an average last frost of May 4. Plan your Pole Beans planting based on this frost date — see the calendar above for exact timing.
What planting zone is Howard County, IA?
Howard County, Iowa is in USDA Hardiness Zone 4b. The average last spring frost is May 4 and first fall frost is October 5.
When should I plant Pole Beans in Howard County, IA?
In Howard County, IA, plant Pole Beans after the last frost (around May 4) and before the first frost (around October 5). Best results when soil holds above 50°F.
What growing zone is Howard County, IA for Pole Beans?
Howard County sits in USDA Zone 4b. Pole Beans grows reliably in zones 3a through 11b, so it's a good fit here.
Can Pole Beans grow in Howard County's climate?
Yes — Pole Beans grows well in Howard County's temperate climate. Howard County averages a 154-day frost-free season, with last frost around May 4 and first frost around October 5.
Your Howard County Garden Planner — Free
A 22-page printable planner built for Howard County (Zone 4b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.