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When to plant Soybeans in Worcester County, MA

Worcester County gardeners should plant Soybeans between May 1 and May 22 in spring. With Worcester County's Zone 6a climate (last frost April 24), Soybeans needs 80–120 days to mature — plant by June 19 for a full harvest.

When to Plant Soybeans in Worcester County, MA

Soybeans (edamame) are a high-protein legume that fixes nitrogen in the soil. Fresh green soybeans harvested at the edamame stage are a nutritious snack.

Worcester County, Massachusetts is in USDA Zone 6a. The average last spring frost is April 24 and the first fall frost is October 17, giving you a growing season of approximately 176 days.

At an elevation of 972 feet, Worcester County receives approximately 38 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Soybeans during the growing season.

Worcester County, MA (Zone 6a) Moderate season
176 days
Last Spring Frost April 24
176 growing days
First Fall Frost October 17

Worcester County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Soybeans Planting Timeline — Worcester County, MA

Soybeans Planting Calendar

Activity When Date Range
Direct Sow May 1 May 1 – May 22
Harvest July 24 Jul 24 – Sep 18

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Direct Sow
June
July Harvest
August Harvest
September Harvest
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

80–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

176 days in Worcester County

Growing Tips for Worcester County

Direct sow after soil warms to 60F. Plant in blocks rather than rows for better pollination. Harvest for edamame when pods are plump and bright green.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Soybeans in Worcester County, MA?

Worcester County is in Zone 6a with an average last frost of April 24. Plan your Soybeans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Worcester County, MA?

Worcester County, Massachusetts is in USDA Hardiness Zone 6a. The average last spring frost is April 24 and first fall frost is October 17.

When should I plant Soybeans in Worcester County, MA?

In Worcester County, MA, plant Soybeans after the last frost (around April 24) and before the first frost (around October 17). Best results when soil holds above 50°F.

What growing zone is Worcester County, MA for Soybeans?

Worcester County sits in USDA Zone 6a. Soybeans grows reliably in zones 3a through 10b, so it's a good fit here.

Can Soybeans grow in Worcester County's climate?

Yes — Soybeans grows well in Worcester County's temperate climate. Worcester County averages a 176-day frost-free season, with last frost around April 24 and first frost around October 17.

🌱

Your Worcester County Garden Planner — Free

A 22-page printable planner built for Worcester County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Worcester County, MA. Local conditions may vary. Last updated: July 2026.

Sources & credits

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