Nevada · zones 5b–9a
When to plant carrots in Nevada.
Sow between Apr 1 to May 4 in a typical year, keyed to Nevada's median last frost around May 9. A second, fall sowing fits Jul 3 to Jul 29. Dates below are state medians; your ZIP code shifts them by days to weeks.
The 2026 windows
Carrots dates for a typical Nevada season.
Direct sow
Apr 1 to May 4
Keyed to the ~May 9 last frost. Sow 0.25" deep, 2" apart.
Fall round
Jul 3 to Jul 29
Counted back from the ~Sep 28 first frost.
Harvest
~68 days later
~0.2 lb per plant over ~2 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
Carrots have four sowing windows in a Nevada year, but getting the seed to come up at all matters more here than choosing the right one of the four.
Four rounds, shaped by where the heat sits
Carrots mature in about 68 days from a direct sowing set a quarter inch deep and just 2 inches apart, and Nevada's growing calendar supports around four separate sowings a year, though where those rounds fall shifts with elevation. Near the colder end of the state's zone range, around 5b and 6a, the pattern is familiar: a spring sowing finished before the ground bakes, a fall sowing timed to mature once the worst heat breaks, and a real winter cold enough to close the bed down between them. Down in the low desert near 8a and 9a, winter rarely gets that cold, so a fall sowing can keep sizing up right through months a colder zone would already call finished, closing out only when spring heat returns.
That difference matters because carrots handle Nevada's summer worse than the heat itself suggests. The plant does not collapse in hot weather the way a leafy crop does, but the root turns coarse and fibrous, and germination gets harder right when growers are most tempted to try a fifth sowing. Treating this as a cool-season crop with two windows in the colder zones, or close to one long cool run in the low desert, uses the four rounds better than spacing them evenly across the year.
The real failure point is under the surface, before the leaf ever shows
A carrot seed sown a quarter inch deep is small enough that a crusted, dry seedbed keeps it from ever pushing through, and Nevada's dry air and strong sun crust bare soil fast. Patchy, uneven germination, not anything that happens once the row is up, is the more common failure here. Keeping the top inch of soil consistently damp with light, frequent watering until seedlings show, rather than one deep soaking that dries before the seed can use it, matters most on the hottest of the four sowings.
Once carrots are up, thinning to the full 2-inch spacing decides root size and shape, since a root crowded by its neighbors grows thin as it competes for room, and a bed that yields around a fifth of a pound of root per plant depends on that thinning being done, not skipped. Compacted ground or a layer of caliche, the hard, chalky mineral crust common under Nevada's desert soils, adds a second cause of the same problem, deflecting a taproot sideways or splitting it into two forked legs. Digging one test carrot early in a new bed shows whether the ground needs deeper work before the next sowing, or whether the fix is simply thinning harder.
A caterpillar worth tolerating, and two problems that hide until harvest
Parsleyworm, the larva of the black swallowtail butterfly, is easy to identify and, in small numbers, easy to live with: banded green, black, and yellow, and it flicks out a forked orange horn from just behind its head when disturbed. A carrot plant usually has leaf area to spare for one or two, so the more useful habit is judging how many is too many, not removing every caterpillar on sight. Aphids cluster on the ferny top growth rather than the root, and a firm water spray knocked into that foliage handles a light colony before it's worth reaching for anything stronger.
Carrot rust fly and Alternaria leaf blight both hide their damage until it is well underway. Rust fly larvae tunnel into the root itself, leaving rusty brown channels invisible from above ground until harvest. Alternaria starts as dark, irregular blotches at the leaf tips and works inward, capable of taking down the whole top before the root beneath it is anywhere close to ready. Pulling one carrot partway through a long sowing, checking both the leaves and the root's shoulder, catches either problem in time to harvest the rest of the bed early instead of losing it.
In Nevada: watch for
The pests that find carrots here.
The short season here, about 142 frost-free days, keeps carrot in front of carrot rust fly only briefly. One early row cover usually carries a planting through the worst of it.
Rusty tunnels in the roots and stunted tops.
Organic fix: Cover the row; rotate away from last year's carrots.
Big green-and-black striped caterpillars on the foliage.
Organic fix: Handpick (or leave for swallowtails); Bt if heavy.
Brown spots ringed in yellow on the oldest leaves first, darkening until the tops look scorched.
Organic fix: Water at the base rather than overhead, turn under old carrot tops, and leave 2 years between carrot crops.
Your season math: Nevada gives carrots about 142 frost-free days, and it needs roughly 68 days to a first harvest. That fits about 4 re-sown rounds across the season, so you can keep it coming instead of picking once.
Planting carrots in Nevada: questions
When should I plant carrots in Nevada?+
In a typical Nevada year, sow carrots between Apr 1 to May 4, keyed to the state's median last frost around May 9. There's also a fall window: Jul 3 to Jul 29. 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 carrots 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.