When to Plant Arugula in Hampshire County, MA
Arugula is a fast-growing cool-season green with a peppery, nutty flavor. It is excellent in salads and can be harvested as baby greens or mature leaves.
Hampshire County, Massachusetts is in USDA Zone 5b. 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 518 feet, Hampshire County receives approximately 38.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Arugula during the growing season.
Hampshire County Soil Profile
Soil Type
Silt Loam
Soil pH
5.2-6.2
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
Arugula Planting Timeline — Hampshire County, MA
Arugula 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 |
| Fall Sowing | August 8 | Aug 8 – Aug 22 |
| Harvest | June 4 | Jun 4 – Aug 6 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors Transplant Outdoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Partial Shade (3-6 hours)
Water
Moderate — regular watering
Days to Maturity
30–50 days
Soil pH
6 – 7
USDA Zone
Zone 5b
Growing Season
170 days
Growing Tips for Hampshire County
Sow seeds directly every 2-3 weeks for continuous harvest. Provide afternoon shade in warm weather to prevent bolting. Harvest outer leaves first to extend production.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Arugula in Other Locations
Frequently Asked Questions
When should I plant Arugula in Hampshire County, MA?
Hampshire County is in Zone 5b with an average last frost of April 30. Plan your Arugula planting based on this frost date — see the calendar above for exact timing.
What planting zone is Hampshire County, MA?
Hampshire County, Massachusetts is in USDA Hardiness Zone 5b. The average last spring frost is April 30 and first fall frost is October 17.
Plan Your Garden with Confidence
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