When to Plant Scallions in Lamoille County, VT
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.
Lamoille County, Vermont is in USDA Zone 4a. The average last spring frost is May 8 and the first fall frost is October 6, giving you a growing season of approximately 151 days.
At an elevation of 823 feet, Lamoille County receives approximately 46.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Scallions to ensure they mature before fall.
Lamoille County Soil Profile
Soil Type
Silt Loam
Soil pH
4.9-6.4
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Scallions Planting Timeline — Lamoille County, VT
Scallions Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 27 | Mar 27 – Apr 10 |
| Transplant Outdoors | May 8 | May 8 – May 22 |
| Direct Sow | May 1 | May 1 – May 22 |
| Fall Sowing | July 14 | Jul 14 – Jul 28 |
| Harvest | July 3 | Jul 3 – Jul 31 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Fall Sowing Harvest |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
50–70 days
Soil pH
6 – 7
USDA Zone
Zone 4a
Growing Season
151 days
Growing Tips for Lamoille 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
Level Up Your Garden
Scallions in Other Locations
Frequently Asked Questions
When should I plant Scallions in Lamoille County, VT?
Lamoille County is in Zone 4a with an average last frost of May 8. Plan your Scallions planting based on this frost date — see the calendar above for exact timing.
What planting zone is Lamoille County, VT?
Lamoille County, Vermont is in USDA Hardiness Zone 4a. The average last spring frost is May 8 and first fall frost is October 6.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Lamoille County gardeners in Zone 4a organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.