When to plant Cranberries in Howard County, IA
Howard County's short 154-day growing season means one Cranberries planting between June 1 and June 15. No fall crop in Zone 4b.
When to Plant Cranberries in Howard County, IA
Cranberries are low-growing, vine-like shrubs that produce tart red berries in fall. They grow in acidic, boggy conditions and are surprisingly easy to cultivate.
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 Cranberries to ensure they mature before fall.
Howard County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Cranberries Planting Timeline — Howard County, IA
Cranberries Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | June 1 | Jun 1 – Jun 15 |
· 36" apart · Rows 48" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | Transplant Outdoors |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
High — keep soil consistently moist
📅 Days to Maturity
730–1095 days
🧪 Soil pH
Needs 4–5.5 · Your soil: N/A
🗺️ USDA Zone
Zone 4b
📆 Growing Season
154 days in Howard County
Growing Tips for Howard County
Create an acidic, consistently moist bed with peat moss. Cranberries do not need to be flooded to grow; flooding is only used for commercial harvesting. Mulch with sand in early spring.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Cranberries in Other Locations
Frequently Asked Questions
When should I plant Cranberries in Howard County, IA?
Howard County is in Zone 4b with an average last frost of May 4. Plan your Cranberries 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 Cranberries in Howard County, IA?
In Howard County, IA, plant Cranberries 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 Cranberries?
Howard County sits in USDA Zone 4b. Cranberries grows reliably in zones 2a through 7b, so it's a good fit here.
Can Cranberries grow in Howard County's climate?
Yes — Cranberries 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.