When to Plant Cucumber in Rockingham County, NH
Cucumbers are a warm-season vine crop available in slicing and pickling varieties. They are prolific producers when given warmth, moisture, and a trellis to climb.
Rockingham County, New Hampshire is in USDA Zone 5b. The average last spring frost is April 26 and the first fall frost is October 17, giving you a growing season of approximately 174 days.
At an elevation of 444 feet, Rockingham County receives approximately 50 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Cucumber to ensure they mature before fall.
Rockingham County Soil Profile
Soil Type
Silt Loam
Soil pH
5.2-6.4
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
Cucumber Planting Timeline — Rockingham County, NH
Cucumber Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 22 | Mar 22 – Apr 5 |
| Transplant Outdoors | May 10 | May 10 – May 24 |
| Direct Sow | May 3 | May 3 – May 24 |
| Harvest | July 5 | Jul 5 – Aug 30 |
Plant 0.5" deep · 24" apart · Rows 48" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
High — keep soil consistently moist
Days to Maturity
50–70 days
Soil pH
6 – 7
USDA Zone
Zone 5b
Growing Season
174 days
Growing Tips for Rockingham County
Direct sow after last frost or start indoors 3 weeks early. Provide a trellis for vining types to save space and improve air circulation. Harvest frequently to encourage production.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Cucumber in Other Locations
Frequently Asked Questions
When should I plant Cucumber in Rockingham County, NH?
Rockingham County is in Zone 5b with an average last frost of April 26. Plan your Cucumber planting based on this frost date — see the calendar above for exact timing.
What planting zone is Rockingham County, NH?
Rockingham County, New Hampshire is in USDA Hardiness Zone 5b. The average last spring frost is April 26 and first fall frost is October 17.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Rockingham County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.
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