Nevada · zones 5b–9a
When to plant lettuce in Nevada.
Sow between Apr 1 to May 16 in a typical year, keyed to Nevada's median last frost around May 9. A second, fall sowing fits Jul 15 to Sep 13. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Lettuce dates for a typical Nevada season.
Direct sow
Apr 1 to May 16
Keyed to the ~May 9 last frost. Sow 0.25" deep, 6" apart.
Fall round
Jul 15 to Sep 13
Counted back from the ~Sep 28 first frost.
Harvest
~45 days later
~0.4 lb per plant over ~1 weeks.
Nevada spans more than one climate: Zone 6 is the most common zone, but the state runs 5b to 9a. 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.
Nevada growing notes
Ten lettuce sowings fit into a Nevada year only because most of them dodge the middle of summer, the one stretch this leaf cannot outlast no matter how it's watered.
Ten rounds, bunched at both ends of the heat
Leaf lettuce matures in about 45 days from a direct sowing spaced 6 inches apart, each round yielding somewhere around four-tenths of a pound of leaf per plant, fast enough that Nevada's growing calendar has room for something like ten separate sowings across a year. What that number hides is where those ten rounds actually land. Lettuce does not slow down gracefully once real heat sets in, it quits: the leaves turn bitter and the plant pushes up a thick central stalk instead of more leaf, and no amount of extra water reverses that once it starts. The ten sowings cluster hard at both ends of the hot stretch and mostly stop during it, rather than spreading out evenly across the months.
How wide that gap runs depends on where the bed sits. Toward the state's colder, higher ground, the safe window is genuinely split in two, a run of sowings before the heat and a second run after it breaks, with real winter cold closing the year down on both sides. In the low desert, winter rarely turns cold enough to stop a lettuce bed outright, so a grower there can carry the fall sowings right through what a colder zone would already call the off-season, picking up rounds in the mild months instead of losing them to frost.
Reading the plant instead of counting days
Because heat ends a lettuce planting on its own schedule, not the calendar's, checking the center of the plant is more useful than counting toward day 45. New leaves that come in narrower and more upright than the ones around them, with a thickening stem just starting to push up from the crown, mean the plant has already committed to bolting, and quality drops fast from that point forward. Pulling that planting and starting the next of the ten sowings right away costs less than trying to nurse a bolting bed through another week.
The other local twist is watering. At a 6-inch spacing and only a quarter inch deep, lettuce roots stay shallow and need frequent, light watering to keep the surface from crusting, which means the soil around a lettuce bed rarely dries out the way the rest of a desert garden does between waterings. That damp surface, especially under mulch, is exactly the microclimate slugs and snails favor, and they turn up in irrigated lettuce beds here more than almost anywhere else in a dry-climate yard. Ragged holes in the leaves with a silvery trail left behind by morning point to them before anything else does; hand-picking after dark with a flashlight catches them active instead of hidden.
One pest works fast, the other stays hidden
Cutworms do their damage in a single night: a healthy seedling stands at dusk and lies severed at the soil line by morning, cut through by a caterpillar that spends daylight hours curled just under the surface nearby. A seedling that makes it through its first couple of weeks is essentially past this risk, so the useful defense protects that narrow window specifically, a paper or foil collar pushed into the soil around each stem rather than treating the whole bed.
Aphids on lettuce settle into the tightly folded new leaves at the crown rather than the older, more exposed ones, easy to miss on a quick pass and hard to reach with a direct spray once established; pulling back the outer leaves to check the crown itself is what actually finds them early. Downy mildew shows up on those same older, shaded leaves as pale, angular patches on top with a faint gray fuzz on the underside directly below, and it needs a damp leaf to start, so it tracks closely with whichever plantings got watered overhead instead of at the base.
In Nevada: watch for
The pests that find lettuce here.
The short season here, about 142 frost-free days, keeps lettuce, leaf in front of aphids only briefly. One early row cover usually carries a planting through the worst of it.
Clusters tucked into the heart of the head.
Organic fix: Rinse well; insecticidal soap on young plants.
Ragged holes and slime trails, worse after rain.
Organic fix: Iron-phosphate bait; a diatomaceous-earth ring; hand-pick at night.
Seedlings clipped off at the soil line overnight.
Organic fix: Collars around the stems; Bt or diatomaceous earth.
Pale yellow patches boxed in by the leaf veins, with white fuzz underneath.
Organic fix: Give plants room, let them dry between waterings, clear old leaves, and pick resistant varieties.
Your season math: Nevada gives lettuce about 142 frost-free days, and it needs roughly 45 days to a first harvest. That fits about 10 re-sown rounds across the season, so you can keep it coming instead of picking once.
Planting lettuce in Nevada: questions
When should I plant lettuce in Nevada?+
In a typical Nevada year, sow lettuce between Apr 1 to May 16, keyed to the state's median last frost around May 9. There's also a fall window: Jul 15 to Sep 13. Your exact dates shift with your ZIP code and microclimate.
What USDA zone is Nevada?+
Nevada spans zones 5b–9a, mostly zone 6. But frost dates, not zones, set planting time. The free planner uses your ZIP code's actual frost dates.
How many lettuce 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.