When to plant Garlic in Effingham County, IL
Aim to plant Garlic in Effingham County on or after mid-spring; the window stays open through late spring. Effingham County's 184-day frost-free season gives you enough for a full main crop and a short fall succession. A second sowing from September 5 to September 19 extends the harvest into fall.
When to Plant Garlic in Effingham County, IL
Garlic is a pungent allium planted in fall and harvested the following summer. Hardneck varieties produce edible flower stalks (scapes) and are more cold-hardy.
Effingham County, Illinois is in USDA Zone 6b. The average last spring frost is April 16 and the first fall frost is October 17, giving you a growing season of approximately 184 days.
At an elevation of 953 feet, Effingham County receives approximately 40.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Garlic to ensure they mature before fall.
Effingham County Soil Profile
Soil Type
Silt Loam
Soil pH
5.8-7.2
Drainage
Well Drained
Monthly Watering Guide for Garlic
Garlic needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Garlic Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 1.5" | 0" | ❄️ Dormant |
| Feb | — | 1.8" | 0" | ❄️ Dormant |
| Mar | — | 3.1" | 0" | ❄️ Dormant |
| Apr | 4.3" | 3.8" | 0.5" | 💧 Light watering |
| May | 4.3" | 5.1" | 0" | ✅ Rainfall sufficient |
| Jun | 4.3" | 4.5" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 4.6" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 4.5" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 3.8" | 0.5" | 💧 Light watering |
| Oct | 4.3" | 3.3" | 1" | 💧 Light watering |
| Nov | — | 2.9" | 0" | ❄️ Dormant |
| Dec | — | 2.1" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Oct in Effingham County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Garlic Planting Timeline — Effingham County, IL
Garlic Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Harvest | December 5 | Dec 5 – Mar 20 |
| Fall Sowing | September 5 | Sep 5 – Sep 19 |
Plant 1" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Harvest |
| February | Harvest |
| March | Harvest |
| April | — |
| May | — |
| June | — |
| July | — |
| August | — |
| September | Fall Sowing |
| October | — |
| November | — |
| December | Harvest |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
90–240 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 6b
📆 Growing Season
184 days in Effingham County
Growing Tips for Effingham County
Plant individual cloves pointed end up in fall, 6 weeks before ground freezes. Mulch heavily with straw. Harvest when lower leaves begin to brown but 5-6 green leaves remain.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Garlic in Other Locations
Frequently Asked Questions
When should I plant Garlic in Effingham County, IL?
Effingham County is in Zone 6b with an average last frost of April 16. Plan your Garlic planting based on this frost date — see the calendar above for exact timing.
What planting zone is Effingham County, IL?
Effingham County, Illinois is in USDA Hardiness Zone 6b. The average last spring frost is April 16 and first fall frost is October 17.
When should I plant Garlic in Effingham County, IL?
In Effingham County, IL, plant Garlic after the last frost (around April 16) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is Effingham County, IL for Garlic?
Effingham County sits in USDA Zone 6b. Garlic grows reliably in zones 3a through 9b, so it's a good fit here.
Can Garlic grow in Effingham County's climate?
Yes — Garlic grows well in Effingham County's temperate climate. Effingham County averages a 184-day frost-free season, with last frost around April 16 and first frost around October 17.
Your Effingham County Garden Planner — Free
A 22-page printable planner built for Effingham County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.