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When to plant Cranberries in Hampden County, MA

Plant Cranberries in Hampden County, between May 21 and June 4 — the only viable window. Zone 6a's short season (170 frost-free days) rules out a fall crop.

When to Plant Cranberries in Hampden County, MA

Cranberries are low-growing, vine-like shrubs that produce tart red berries in fall. They grow in acidic, boggy conditions and are surprisingly easy to cultivate.

Hampden County, Massachusetts is in USDA Zone 6a. The average last spring frost is April 30 and the first fall frost is October 17, giving you a growing season of approximately 170 days.

At an elevation of 474 feet, Hampden County receives approximately 47.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Cranberries during the growing season.

Hampden County, MA (Zone 6a) Moderate season
170 days
Last Spring Frost April 30
170 growing days
First Fall Frost October 17

Hampden County Soil Profile

Soil Type

Silt Loam

Soil pH

5.1-6.4

Drainage

Well Drained

Monthly Watering Guide for Cranberries

Cranberries needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Cranberries Needs Rainfall You Supplement Action
Jan 3.6" 0" ❄️ Dormant
Feb 3.5" 0" ❄️ Dormant
Mar 4.3" 0" ❄️ Dormant
Apr 4.3" 3.4" 0.9" 💧 Light watering
May 4.3" 4.7" 0" ✅ Rainfall sufficient
Jun 4.3" 4.6" 0" ✅ Rainfall sufficient
Jul 4.3" 4.8" 0" ✅ Rainfall sufficient
Aug 4.3" 4" 0.3" 💧 Light watering
Sep 4.3" 3.4" 0.9" 💧 Light watering
Oct 4.3" 4.3" 0" ✅ Rainfall sufficient
Nov 3.8" 0" ❄️ Dormant
Dec 3.4" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Hampden County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Cranberries Planting Timeline — Hampden County, MA

Cranberries Planting Calendar

Activity When Date Range
Transplant Outdoors May 21 May 21 – Jun 4

· 36" apart · Rows 48" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Transplant Outdoors
June Transplant Outdoors
July
August
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

High — keep soil consistently moist

📅 Days to Maturity

730–1095 days

🧪 Soil pH

Needs 4–5.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

170 days in Hampden County

Growing Tips for Hampden County

Create an acidic, consistently moist bed with peat moss. Cranberries do not need to be flooded to grow; flooding is only used for commercial harvesting. Mulch with sand in early spring.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cranberries in Hampden County, MA?

Hampden County is in Zone 6a with an average last frost of April 30. Plan your Cranberries planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hampden County, MA?

Hampden County, Massachusetts is in USDA Hardiness Zone 6a. The average last spring frost is April 30 and first fall frost is October 17.

When should I plant Cranberries in Hampden County, MA?

In Hampden County, MA, plant Cranberries after the last frost (around April 30) and before the first frost (around October 17). Best results when soil holds above 50°F.

What growing zone is Hampden County, MA for Cranberries?

Hampden County sits in USDA Zone 6a. Cranberries grows reliably in zones 2a through 7b, so it's a good fit here.

Can Cranberries grow in Hampden County's climate?

Yes — Cranberries grows well in Hampden County's temperate climate. Hampden County averages a 170-day frost-free season, with last frost around April 30 and first frost around October 17.

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Your Hampden County Garden Planner — Free

A 22-page printable planner built for Hampden 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.

Instant PDF download. No spam, unsubscribe any time.

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

Sources & credits

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