When to plant Serviceberries in Cass County, IL
Cass County's short 184-day growing season means one Serviceberries planting between May 6 and May 20. No fall crop in Zone 6a.
When to Plant Serviceberries in Cass County, IL
Serviceberries (saskatoons) are attractive native shrubs or small trees producing sweet, blueberry-like fruits. They have beautiful spring flowers and vibrant fall color.
Cass County, Illinois is in USDA Zone 6a. The average last spring frost is April 15 and the first fall frost is October 16, giving you a growing season of approximately 184 days.
At an elevation of 703 feet, Cass County receives approximately 31.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Serviceberries to ensure they mature before fall.
Cass County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Serviceberries Planting Timeline — Cass County, IL
Serviceberries Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 6 | May 6 – May 20 |
· 120" apart · Rows 144" 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 5.5–7 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
184 days in Cass County
Growing Tips for Cass County
Plant in well-drained soil. Minimal pruning needed beyond removing dead wood. Protect fruit from birds with netting. Berries ripen in early summer and are excellent fresh or in pies.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Serviceberries in Other Locations
Frequently Asked Questions
When should I plant Serviceberries in Cass County, IL?
Cass County is in Zone 6a with an average last frost of April 15. Plan your Serviceberries planting based on this frost date — see the calendar above for exact timing.
What planting zone is Cass County, IL?
Cass County, Illinois is in USDA Hardiness Zone 6a. The average last spring frost is April 15 and first fall frost is October 16.
When should I plant Serviceberries in Cass County, IL?
In Cass County, IL, plant Serviceberries after the last frost (around April 15) and before the first frost (around October 16). Best results when soil holds above 50°F.
What growing zone is Cass County, IL for Serviceberries?
Cass County sits in USDA Zone 6a. Serviceberries grows reliably in zones 2a through 9b, so it's a good fit here.
Can Serviceberries grow in Cass County's climate?
Yes — Serviceberries grows well in Cass County's temperate climate. Cass County averages a 184-day frost-free season, with last frost around April 15 and first frost around October 16.
Your Cass County Garden Planner — Free
A 22-page printable planner built for Cass 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.