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When to plant Celery in Hampden County, MA

Hampden County gardeners should plant Celery between April 16 and May 7 in spring. With Hampden County's Zone 6a climate (last frost April 30), Celery needs 80–120 days to mature — plant by June 19 for a full harvest. A second sowing from August 8 to August 22 extends the harvest into fall.

When to Plant Celery in Hampden County, MA

Celery

Celery is a marshland plant that requires consistent moisture and cool temperatures to produce crisp, flavorful stalks. It is a rewarding but demanding garden crop.

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 Celery 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 Celery

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

Month Celery 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.

Celery Planting Timeline — Hampden County, MA

Celery Planting Calendar

Activity When Date Range
Start Indoors March 26 Mar 26 – Apr 9
Transplant Outdoors April 30 Apr 30 – May 14
Direct Sow April 16 Apr 16 – May 7
Harvest July 23 Jul 23 – Sep 17
Fall Sowing August 8 Aug 8 – Aug 22

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

High — keep soil consistently moist

📅 Days to Maturity

80–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

170 days in Hampden County

Growing Tips for Hampden County

Start seeds indoors 10-12 weeks before last frost. Keep soil consistently moist and never let it dry out. Blanch stalks by mounding soil or using collars for milder flavor.

Companion Planting

Good Companions

Avoid Planting Near

  • Carrots
  • Parsnip

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Celery in Hampden County, MA?

Hampden County is in Zone 6a with an average last frost of April 30. Plan your Celery 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 Celery in Hampden County, MA?

In Hampden County, MA, plant Celery 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 Celery?

Hampden County sits in USDA Zone 6a. Celery grows reliably in zones 2a through 10b, so it's a good fit here.

Can Celery grow in Hampden County's climate?

Yes — Celery 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.

🌱

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.

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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 Hampden County, MA. Local conditions may vary. Last updated: June 2026.

Sources & credits

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