When to plant Blueberries in Monroe County, IA
Plant Blueberries in Monroe County, between May 17 and May 31 — the only viable window. Zone 5b's short season (170 frost-free days) rules out a fall crop.
When to Plant Blueberries in Monroe County, IA
Blueberries are long-lived shrubs producing sweet, antioxidant-rich berries. They require acidic soil and are attractive ornamental plants with fall color and spring flowers.
Monroe County, Iowa is in USDA Zone 5b. The average last spring frost is April 26 and the first fall frost is October 13, giving you a growing season of approximately 170 days.
At an elevation of 968 feet, Monroe County receives approximately 32.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Blueberries during the growing season.
Monroe County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
How Much Blueberries to Grow
For a family of 4, plant approximately 8 blueberries plants in about 16 sq ft. In Monroe County's 170-day season, you'll have plenty of time for a full harvest. Plan your garden layout →
Blueberries Planting Timeline — Monroe County, IA
Blueberries Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 17 | May 17 – May 31 |
· 48" apart · Rows 72" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | — |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
730–1095 days
🧪 Soil pH
Needs 4.5–5.5 · Your soil: N/A
🗺️ USDA Zone
Zone 5b
📆 Growing Season
170 days in Monroe County
Growing Tips for Monroe County
Plant at least two varieties for cross-pollination. Acidify soil with sulfur or pine needle mulch to maintain pH 4.5-5.5. Protect ripening berries from birds with netting.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Blueberries in Other Locations
Frequently Asked Questions
When should I plant Blueberries in Monroe County, IA?
Monroe County is in Zone 5b with an average last frost of April 26. Plan your Blueberries planting based on this frost date — see the calendar above for exact timing.
What planting zone is Monroe County, IA?
Monroe County, Iowa is in USDA Hardiness Zone 5b. The average last spring frost is April 26 and first fall frost is October 13.
When should I plant Blueberries in Monroe County, IA?
In Monroe County, IA, plant Blueberries after the last frost (around April 26) and before the first frost (around October 13). Best results when soil holds above 50°F.
What growing zone is Monroe County, IA for Blueberries?
Monroe County sits in USDA Zone 5b. Blueberries grows reliably in zones 3a through 8b, so it's a good fit here.
Can Blueberries grow in Monroe County's climate?
Yes — Blueberries grows well in Monroe County's temperate climate. Monroe County averages a 170-day frost-free season, with last frost around April 26 and first frost around October 13.
Your Monroe County Garden Planner — Free
A 22-page printable planner built for Monroe County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.