When to Plant Blueberries in Putnam County, OH
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.
Putnam County, Ohio is in USDA Zone 6a. The average last spring frost is April 23 and the first fall frost is October 22, giving you a growing season of approximately 182 days.
At an elevation of 1,300 feet, Putnam County receives approximately 40.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Blueberries to ensure they mature before fall.
Putnam 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 Putnam County's 182-day season, you'll have plenty of time for a full harvest. Plan your garden layout →
Blueberries Planting Timeline — Putnam County, OH
Blueberries Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 14 | May 14 – May 28 |
· 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 6a
📆 Growing Season
182 days in Putnam County
Growing Tips for Putnam 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 Putnam County, OH?
Putnam County is in Zone 6a with an average last frost of April 23. Plan your Blueberries planting based on this frost date — see the calendar above for exact timing.
What planting zone is Putnam County, OH?
Putnam County, Ohio is in USDA Hardiness Zone 6a. The average last spring frost is April 23 and first fall frost is October 22.
Your Putnam County Garden Planner — Free
A 22-page printable planner built for Putnam County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.