When to plant Haskaps in Grundy County, IL
Grundy County's 180-day season only supports one Haskaps planting per year. Sow between May 11 and May 25 for the best chance at full maturity before October 17.
When to Plant Haskaps in Grundy County, IL
Haskaps (honeyberries) are extremely cold-hardy shrubs producing elongated blue berries with a complex blueberry-raspberry flavor. They fruit very early in the season.
Grundy County, Illinois is in USDA Zone 5b. The average last spring frost is April 20 and the first fall frost is October 17, giving you a growing season of approximately 180 days.
At an elevation of 629 feet, Grundy County receives approximately 30.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Haskaps during the growing season.
Grundy County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Haskaps Planting Timeline — Grundy County, IL
Haskaps Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 11 | May 11 – May 25 |
· 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 5.5–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 5b
📆 Growing Season
180 days in Grundy County
Growing Tips for Grundy County
Plant at least two different varieties for cross-pollination. Fruits ripen 2-3 weeks before strawberries. Protect from birds. Very low maintenance once established. Tolerates extreme cold.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Haskaps in Other Locations
Frequently Asked Questions
When should I plant Haskaps in Grundy County, IL?
Grundy County is in Zone 5b with an average last frost of April 20. Plan your Haskaps planting based on this frost date — see the calendar above for exact timing.
What planting zone is Grundy County, IL?
Grundy County, Illinois is in USDA Hardiness Zone 5b. The average last spring frost is April 20 and first fall frost is October 17.
When should I plant Haskaps in Grundy County, IL?
In Grundy County, IL, plant Haskaps after the last frost (around April 20) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is Grundy County, IL for Haskaps?
Grundy County sits in USDA Zone 5b. Haskaps grows reliably in zones 2a through 7b, so it's a good fit here.
Can Haskaps grow in Grundy County's climate?
Yes — Haskaps grows well in Grundy County's temperate climate. Grundy County averages a 180-day frost-free season, with last frost around April 20 and first frost around October 17.
Your Grundy County Garden Planner — Free
A 22-page printable planner built for Grundy County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.