When to plant Scallions in Wright County, IA
Wright County sits in USDA Zone 5a. Plant Scallions between April 17 (after last frost on May 1) and May 8. A second sowing from July 29 to August 12 extends the harvest into fall.
When to Plant Scallions in Wright County, IA
Scallions (green onions) are mild-flavored alliums harvested for their slender green tops and white bases. They are quick-growing and perfect for succession planting.
Wright County, Iowa is in USDA Zone 5a. The average last spring frost is May 1 and the first fall frost is October 7, giving you a growing season of approximately 159 days.
At an elevation of 1,359 feet, Wright County receives approximately 32.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Scallions to ensure they mature before fall.
Wright County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Scallions Planting Timeline — Wright County, IA
Scallions Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 27 | Mar 27 – Apr 10 |
| Transplant Outdoors | May 1 | May 1 – May 15 |
| Direct Sow | April 17 | Apr 17 – May 8 |
| Harvest | June 26 | Jun 26 – Jul 24 |
| Fall Sowing | July 29 | Jul 29 – Aug 12 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | Harvest |
| July | Fall Sowing Harvest |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
50–70 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5a
📆 Growing Season
159 days in Wright County
Growing Tips for Wright County
Direct sow every 3 weeks for continuous harvest. Thin to 1 inch apart or grow in clusters. Harvest when pencil-thick by pulling or cutting at soil level.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Scallions in Other Locations
Frequently Asked Questions
When should I plant Scallions in Wright County, IA?
Wright County is in Zone 5a with an average last frost of May 1. Plan your Scallions planting based on this frost date — see the calendar above for exact timing.
What planting zone is Wright County, IA?
Wright County, Iowa is in USDA Hardiness Zone 5a. The average last spring frost is May 1 and first fall frost is October 7.
When should I plant Scallions in Wright County, IA?
In Wright County, IA, plant Scallions after the last frost (around May 1) and before the first frost (around October 7). Best results when soil holds above 50°F.
What growing zone is Wright County, IA for Scallions?
Wright County sits in USDA Zone 5a. Scallions grows reliably in zones 3a through 10b, so it's a good fit here.
Can Scallions grow in Wright County's climate?
Yes — Scallions grows well in Wright County's temperate climate. Wright County averages a 159-day frost-free season, with last frost around May 1 and first frost around October 7.
Your Wright County Garden Planner — Free
A 22-page printable planner built for Wright County (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.