Best Cucumbers to Grow in New Hampshire

New Hampshire spans USDA Zones 3–6, typically Zone 5. We've broken out 31 cucumber varieties by zone — pick your zone below or find the right varieties for your specific part of the state.

Varieties

31

for New Hampshire

🌱

USDA

Zones 3–6

120–180 days season

🗺️

Beginner

21

easy to grow

👍

Heirloom

18

heritage varieties

🏛️
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Growing Cucumbers in New Hampshire

Zone 5's 155-day growing season creates a sweet spot for cucumber cultivation – long enough for full-season varieties to mature properly, yet short enough that you need to be strategic about timing and variety selection. The challenge lies in navigating those tricky shoulder seasons: late spring cold snaps can devastate young transplants, while early October frosts can cut your harvest short just when fall cucumbers hit their stride. What makes Zone 5 particularly rewarding for cucumber growers is the intense summer heat that builds up between those frost dates, creating ideal conditions for vigorous vine growth and prolific fruit production.

When selecting cucumber varieties for Zone 5, prioritize those with maturity dates of 50-70 days and strong disease resistance, particularly to downy mildew and bacterial wilt which thrive in the humidity that often accompanies Zone 5's temperature swings. The varieties that excel here are typically those bred for reliability rather than novelty – cultivars like Marketmore 76 and Straight Eight that have proven themselves across decades of variable seasons. Your best picks will be compact enough to manage in shorter seasons yet productive enough to make the most of that precious frost-free window.

Zone 5 Cucumbers for New Hampshire★ Most of NH

31 varieties · Last frost April 30 · 155-day season

View all Zone 5 cucumbers

+ 25 more Zone 5 cucumbers

Zone 4 Cucumbers for New Hampshire

31 varieties · Last frost May 10 · 135-day season

View all Zone 4 cucumbers

+ 25 more Zone 4 cucumbers

Zone 6 Cucumbers for New Hampshire

31 varieties · Last frost April 15 · 180-day season

View all Zone 6 cucumbers

+ 25 more Zone 6 cucumbers

Zone 3 Cucumbers for New Hampshire

31 varieties · Last frost May 15 · 120-day season

View all Zone 3 cucumbers

+ 25 more Zone 3 cucumbers

Zone 5 Growing Tips for New Hampshire

Start cucumber seeds indoors 3-4 weeks before your last frost date (around early April for Zone 5), but resist the temptation to transplant too early. Even though April 30th marks the average last frost, I've learned the hard way that soil temperature matters more than air temperature – wait until soil consistently hits 65°F, usually mid-May. Cold, wet soil will stunt cucumber growth for weeks, negating any advantage from early planting. Use black plastic mulch or row covers to warm the soil faster if you're eager to get started.

For season extension, focus on succession planting rather than trying to push the season boundaries. Plant your main crop in late May, then follow with a second planting in early July for fall harvest. This strategy works beautifully in Zone 5 because cucumber plants often struggle through the hottest part of summer anyway, and that second planting will be hitting its productive peak in late August when the first planting is declining. Come September, be ready with row covers – you can often extend harvest 2-3 weeks past the first light frosts, and those late cucumbers have incredible flavor.