Cucumbers
Dates below are counted from the average last spring frost or the average first fall frost. Enter a ZIP in the calendar for NOAA 1991–2020 station averages, or pick a zone and use the zone table.
When to plant
Soil and site
Rich, warm soil heavy with compost. Steady water keeps fruit from turning bitter.
Seedlings
Direct sow after soil warms; transplants sulk and rarely catch up.
In the garden
Trellis them — straighter fruit, better airflow, easier picking. One missed yellow cucumber signals the vine to shut down, so pick clean.
Picking
Daily, at slicing size. They hide under leaves; check twice.
Harvest
First harvest is about 50–65 days after sowing or planting outdoors. The picking window often runs about 6 weeks.
Pick at slicing size every day. A yellow cucumber left on the vine tells the plant to slow down.
Preserving
Cucumbers are not a plain canned vegetable, and they freeze poorly. Use a tested pickle or ferment.
Fully fermented dill pickles follow the NCHFP brine method. Discard the batch if it turns soft, slimy, or smells off. Canning the finished pickles is optional and uses the process on that page.
National Center for Home Food Preservation: Dill pickles →Quick fresh-pack dill pickles are a tested boiling-water recipe. Use the vinegar, salt, and process on that page.
National Center for Home Food Preservation: Quick fresh-pack dill pickles →Canning, pickling, and fermenting notes here are summaries of tested USDA and National Center for Home Food Preservation methods. Times, pressures, and amounts live only on those pages. This site does not publish home-invented processing times.
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Dates by zone
These pages turn the same frost offsets into calendar dates for each zone the calendar covers.