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When to Plant Scallions in Piscataquis County, ME

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.

Piscataquis County, Maine is in USDA Zone 3b. The average last spring frost is May 19 and the first fall frost is September 28, giving you a growing season of approximately 132 days.

At an elevation of 727 feet, Piscataquis County receives approximately 49.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 78ยฐF, so choose short-season varieties of Scallions to ensure they mature before fall.

Piscataquis County, ME (Zone 3b) Short season
132 days
Last Spring Frost May 19
132 growing days
First Fall Frost September 28

Piscataquis County Soil Profile

Soil Type

Silt Loam

Soil pH

5-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (46 days to spare)
Start indoors: Apr 3 Transplant: May 15 🍅 Harvest: Jul 10 – Aug 7
Recommended (50%) ✓ Fits season (48 days to spare)
Start indoors: Apr 7 Transplant: May 19 🍅 Harvest: Jul 14 – Aug 11
Safe Start (90%) ✓ Fits season (54 days to spare)
Start indoors: Apr 20 Transplant: Jun 1 🍅 Harvest: Jul 27 – Aug 24

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

Plant needs
1.0″/week
Rainfall provides
1.6″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Scallions needs ~510 GDD — county provides 1,122 GDD Excellent fit

Scallions Planting Timeline โ€” Piscataquis County, ME

Scallions Planting Calendar

Activity When Date Range
Start Indoors April 7 Apr 7 โ€“ Apr 21
Transplant Outdoors May 19 May 19 โ€“ Jun 2
Direct Sow May 12 May 12 โ€“ Jun 2
Fall Sowing July 6 Jul 6 โ€“ Jul 20
Harvest July 14 Jul 14 โ€“ Aug 11

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Start Indoors
May Transplant Outdoors Direct Sow
June Transplant Outdoors Direct Sow
July Fall Sowing Harvest
August Harvest
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

50โ€“70 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 3b

Growing Season

132 days

Growing Tips for Piscataquis 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

  • Peas
  • Green Beans

Level Up Your Garden

Frequently Asked Questions

When should I plant Scallions in Piscataquis County, ME?

Piscataquis County is in Zone 3b with an average last frost of May 19. Plan your Scallions planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Piscataquis County, ME?

Piscataquis County, Maine is in USDA Hardiness Zone 3b. The average last spring frost is May 19 and first fall frost is September 28.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Piscataquis County gardeners in Zone 3b organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Piscataquis County, ME. Local conditions may vary. Last updated: April 2026.