When to plant Asparagus in Montgomery County, IL
Plant Asparagus in Montgomery County during the brief April 27–May 11 window. With 191 frost-free days, fall plantings can't mature before October 21.
When to Plant Asparagus in Montgomery County, IL
Asparagus is a long-lived perennial vegetable that produces tender spears each spring for 15-20 years once established. It requires patience but rewards with reliable harvests.
Montgomery County, Illinois is in USDA Zone 6b. The average last spring frost is April 13 and the first fall frost is October 21, giving you a growing season of approximately 191 days.
At an elevation of 1,331 feet, Montgomery County receives approximately 30.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Asparagus during the growing season.
Montgomery County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Asparagus Planting Timeline — Montgomery County, IL
Asparagus Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 27 | Apr 27 – May 11 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| 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 6.5–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 6b
📆 Growing Season
191 days in Montgomery County
Growing Tips for Montgomery County
Plant crowns in deep trenches with compost. Do not harvest spears for the first two years to allow root establishment. Mulch heavily to suppress weeds and retain moisture.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Asparagus in Other Locations
Frequently Asked Questions
When should I plant Asparagus in Montgomery County, IL?
Montgomery County is in Zone 6b with an average last frost of April 13. Plan your Asparagus planting based on this frost date — see the calendar above for exact timing.
What planting zone is Montgomery County, IL?
Montgomery County, Illinois is in USDA Hardiness Zone 6b. The average last spring frost is April 13 and first fall frost is October 21.
When should I plant Asparagus in Montgomery County, IL?
In Montgomery County, IL, plant Asparagus after the last frost (around April 13) and before the first frost (around October 21). Best results when soil holds above 50°F.
What growing zone is Montgomery County, IL for Asparagus?
Montgomery County sits in USDA Zone 6b. Asparagus grows reliably in zones 3a through 10b, so it's a good fit here.
Can Asparagus grow in Montgomery County's climate?
Yes — Asparagus grows well in Montgomery County's temperate climate. Montgomery County averages a 191-day frost-free season, with last frost around April 13 and first frost around October 21.
Your Montgomery County Garden Planner — Free
A 22-page printable planner built for Montgomery 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.