Utah · zones 6a–8b
When to plant cucumbers in Utah.
Sow between May 8 to Jul 19 in a typical year, keyed to Utah's median last frost around May 1. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Cucumbers dates for a typical Utah season.
Direct sow
May 8 to Jul 19
Keyed to the ~May 1 last frost. Sow 1" deep, 12" apart.
Harvest
~60 days later
~5 lb per plant over ~5 weeks.
Utah spans more than one climate: Zone 6 is the most common zone, but the state runs 6a to 8b. That's why the planner works from your ZIP code's frost dates, not your zone: mountain and coastal gardens in the same state can be three weeks apart.
In Utah: watch for
The pests that find cucumbers here.
A middle-length season, about 157 frost-free days, means cucumber, slicing overlaps squash bugs for a stretch each summer. Check plants every week or two and treat early.
Gray shield bugs; leaves wilt and get crispy patches.
Organic fix: Crush the copper egg rows under leaves; diatomaceous earth at the base.
Yellow striped or spotted beetles that spread bacterial wilt.
Organic fix: Row cover until the first female flowers open; neem for heavy runs.
Angular yellow patches bounded by the leaf veins, after wet foliage.
Organic fix: Water in the morning, space for airflow, pull badly infected vines.
White powder coating the leaves late in the season.
Organic fix: Space for airflow, water at the base, spray neem.
Your season math: Utah gives cucumbers about 157 frost-free days, and it needs roughly 60 days to a first harvest. That fits about 5 re-sown rounds across the season, so you can keep it coming instead of picking once.
Planting cucumbers in Utah: questions
When should I plant cucumbers in Utah?+
In a typical Utah year, sow cucumbers between May 8 to Jul 19, keyed to the state's median last frost around May 1. Your exact dates shift with your ZIP code and microclimate.
What USDA zone is Utah?+
Utah spans zones 6a–8b, mostly zone 6. But frost dates, not zones, set planting time. The free planner uses your ZIP code's actual frost dates.
How many cucumbers plants do I need?+
Depends who you're feeding. The crop page has exact counts per household size, or the free planner does the math for your family in about 60 seconds.