Best Squash & Cucumbers to Grow in Hawaii
Hawaii spans USDA Zones 10–13, typically Zone 10. We've broken out 60 squash varieties by zone — pick your zone below or find the right varieties for your specific part of the state.
Varieties
60
for Hawaii
USDA
Zones 10–13
320–365 days season
Beginner
24
easy to grow
Heirloom
36
heritage varieties
Hawaii in USDA Zones 10–13
Hawaii spans Zones 10–13. Variety lists below are organized by zone — start with your zone for the most accurate recommendations.
Growing Squash & Cucumbers in Hawaii
Zone 10 gardeners hit the jackpot when it comes to growing squash, with a luxurious 320-day growing season that allows for multiple plantings and impressive harvests. The mild winters and year-round warmth create ideal conditions for both summer and winter squash varieties, though the intense heat and humidity during peak summer months can stress plants and invite pest pressure. The key is choosing heat-tolerant varieties and timing your plantings to avoid the most brutal summer conditions.
When selecting squash for Zone 10, prioritize varieties with strong disease resistance, particularly to powdery mildew and squash vine borers which thrive in humid conditions. Look for compact bush varieties that won't sprawl excessively in the heat, and consider vining types that can climb trellises for better air circulation. The varieties listed here have proven themselves capable of handling Zone 10's unique combination of extended growing season, high humidity, and occasional temperature extremes while producing reliable, flavorful harvests.
Zone 10 Squash & Cucumbers for Hawaii★ Most of HI
60 varieties · Last frost January 31 · 320-day season
Zone 11 Squash & Cucumbers for Hawaii
60 varieties · Year-round growing
Zone 12 Squash & Cucumbers for Hawaii
60 varieties · Year-round growing
Zone 13 Squash & Cucumbers for Hawaii
60 varieties · Year-round growing
Zone 10 Growing Tips for Hawaii
In Zone 10, you can start squash seeds directly in the garden as early as mid-February, well after the January 31st average last frost. For the best results, plant your main crop in late February through March, then follow with successive plantings every 3-4 weeks through early May. Avoid planting during the peak heat of June through August – instead, resume planting in early September for a robust fall harvest that can continue until your first frost around December 15th.
The biggest challenges you'll face are managing moisture levels and pest pressure in the humid conditions. Ensure excellent drainage and space plants generously for air circulation to prevent fungal diseases. Mulch heavily to retain soil moisture during dry spells but keep mulch away from plant stems. Row covers during the cooler months can extend your season even further, and afternoon shade cloth during extreme heat waves will prevent plant stress. Watch carefully for squash vine borers and cucumber beetles, which are particularly active in Zone 10's warm, humid environment.