When to plant Lingonberries in Coles County, IL
Coles County sits in cold Zone 6a. Plant Lingonberries May 5–May 19 for the single annual harvest; the October 17 first frost closes the window.
When to Plant Lingonberries in Coles County, IL
Lingonberries are low-growing evergreen shrubs producing small, tart red berries used in Scandinavian cuisine. They thrive in acidic soil and cold climates.
Coles County, Illinois is in USDA Zone 6a. The average last spring frost is April 14 and the first fall frost is October 17, giving you a growing season of approximately 186 days.
At an elevation of 779 feet, Coles County receives approximately 34.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Lingonberries during the growing season.
Coles County Soil Profile
Soil Type
Silt Loam
Soil pH
6-7.2
Drainage
Well Drained
Monthly Watering Guide for Lingonberries
Lingonberries needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Lingonberries Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 1.4" | 0" | ❄️ Dormant |
| Feb | — | 1.4" | 0" | ❄️ Dormant |
| Mar | — | 2.4" | 0" | ❄️ Dormant |
| Apr | 4.3" | 3.8" | 0.5" | 💧 Light watering |
| May | 4.3" | 4.4" | 0" | ✅ Rainfall sufficient |
| Jun | 4.3" | 4.5" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 3.6" | 0.7" | 💧 Light watering |
| Aug | 4.3" | 3.2" | 1.1" | 💧 Light watering |
| Sep | 4.3" | 2.9" | 1.4" | 💧 Light watering |
| Oct | 4.3" | 2.8" | 1.5" | 💧 Light watering |
| Nov | — | 2.5" | 0" | ❄️ Dormant |
| Dec | — | 1.7" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Oct in Coles County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Lingonberries Planting Timeline — Coles County, IL
Lingonberries Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 5 | May 5 – May 19 |
· 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
Partial Shade (3-6 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
186 days in Coles County
Growing Tips for Coles County
Amend soil with peat and pine needle mulch for acidity. Plant 12 inches apart as a ground cover. Berries ripen in late summer. Requires minimal pruning.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Lingonberries in Other Locations
Frequently Asked Questions
When should I plant Lingonberries in Coles County, IL?
Coles County is in Zone 6a with an average last frost of April 14. Plan your Lingonberries planting based on this frost date — see the calendar above for exact timing.
What planting zone is Coles County, IL?
Coles County, Illinois is in USDA Hardiness Zone 6a. The average last spring frost is April 14 and first fall frost is October 17.
When should I plant Lingonberries in Coles County, IL?
In Coles County, IL, plant Lingonberries after the last frost (around April 14) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is Coles County, IL for Lingonberries?
Coles County sits in USDA Zone 6a. Lingonberries grows reliably in zones 2a through 7b, so it's a good fit here.
Can Lingonberries grow in Coles County's climate?
Yes — Lingonberries grows well in Coles County's temperate climate. Coles County averages a 186-day frost-free season, with last frost around April 14 and first frost around October 17.
Your Coles County Garden Planner — Free
A 22-page printable planner built for Coles 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.