Conditional — Some Areas
heliconia (zones 8-10) reaches only part of Nevada (4a-10a): zones 8-10 are in range, so where you are in the state decides it.
Heliconia in Nevada — the short answer
Heliconia in Nevada: hardy in zones 8–10, against a state median of ~163 frost-free days.
- Plant zones
- 8-10
- Manual horticultural correction (source not retained); NC State Extension and Missouri Botanical Garden, with the remaining rows from other published sources or Growable Ground compilation
- Nevada zones
- 4a-10a
- USDA PHZM 2023
- Frost window
- Apr 28 - May 20 – Oct 9 - Oct 21
- NOAA RCC ACIS 1991-2020, 28°F
- Shortest county season
- 110 days
- NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — per-field provenance varies and is published with the dataset.
Your yard isn't the whole zone.
Nevada spans zones 4a-10a, but your yard has its own microclimate — slope, trees, and low spots shift frost and sun across a single parcel. Enter your address and we'll score heliconia against your land's actual soil, sun, and frost.
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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Nevada is not one climate
A single Nevada answer averages 17 counties whose growing seasons are 211 days apart — from 110 frost-free days in Elko County to 321 in Clark County. Which end of that your land sits nearer changes what heliconia can finish before the first hard freeze.
The middle half of 17 counties runs 145–174 days, with a median of 163 days — a 211-day span end to end.
Measured across 17 Nevada counties. NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze. Quartiles are order statistics — every figure shown is a value a real county recorded, not an interpolation. Your own site sits somewhere inside this range; a parcel report resolves where.
Where in Nevada Fits Best
Heliconia is rated for zones 8–10 — a cold floor USDA puts at 10 to 20°F. Against Nevada’s 17 counties that band holds in 1 of them, and the line runs at Clark County (zone 9a), the coldest county still inside it.
Inside zones 8–10
1 county
0 of 1 shown
Below the zone 8 floor
16 counties
- Elko County · zone 5a
- Eureka County · zone 5b
- Humboldt County · zone 6a
3 of 16 shown
Winter cold is the limit here — the same plant works in a container that comes under cover.
County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. A zone is a 10°F band of average annual extreme minimum temperature, so the floor above is the band the plant's rating denotes, not a single measured kill point. Slope, shelter and cold-air drainage routinely move a site half a zone either way from its county figure — which is the part only your address resolves.
Even within Nevada's zones 4a-10a, county microclimates differ enough to change what thrives. These counties carry the closest zone match for heliconia (USDA PHZM 2023):
Zone Comparison
Heliconia Needs
- USDA Zones: 8-10
- Mature size: 15 ft tall
- Picking window: ~60 days of harvest
- Drought tolerance: Low
Nevada Has
- USDA Zones: 4a-10a
- Last Hard Freeze (28°F): Apr 28 - May 20
- First Hard Freeze (28°F): Oct 9 - Oct 21
- Annual Rainfall: 4-12 inches
- Common Soils: Desert sand, Caliche, Alkaline clay
Plant Zone Range (zones 8-10)
Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS, and university Extension sources — per-field provenance varies and is published with the dataset. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
When to Plant Heliconia in Nevada
The frost window
Across Nevada, the last spring hard freeze (28°F) clears between Apr 28 and May 20, and the first fall hard freeze lands between Oct 9 and Oct 21 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 142-day window you can count on — up to 176 days on a mild site in a kind year. That marks the hard freeze, not the last light frost, so tender transplants usually wait another 2-3 weeks.
Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: Growable Ground Plant Database — frost-free days from FAO ECOCROP, days to harvest from university Extension production guides, and growing-degree-day and chill-hour minimums that are compilation estimates rather than published figures. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.
What Else to Consider for Heliconia in Nevada
Zone compatibility tells you about winter cold survival — but Nevada growers also need to think about:
Extremely low rainfall (driest US state)
Alkaline soils (pH 8-9) limit many species
Extreme summer heat in southern valleys
What to actually do about these — and the constraints that apply to every Nevada grower, not just heliconia — is covered on the Nevada growing guide.
Where in Nevada Heliconia Is Zone-Hardy
Heliconia is rated for USDA zones 8–10. 1 of Nevada’s 17 counties fall inside that band. The coldest that does is Clark County at zone 9a. 16 counties sit below the plant’s zone 8 floor, where an unprotected plant is relying on snow cover and a mild year. Where you are in Nevada decides this one.
Across those 17 counties Nevada’s winter-low ladder runs from zone 5a in Elko County to zone 9a in Clark County — 4 USDA zones of spread, which is 40°F between the two counties’ average coldest night of the year. That is why a statewide hardiness answer is where you start and not where you finish.
The planting window moves with it. Nye County holds its last hard freeze (28°F) until about May 31, while Clark County is clear by Jan 25 — 126 days apart. Set heliconia out on your county’s date, not the state’s.
County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. County last-freeze dates: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F killing freeze — earlier than the folk 32°F "last frost". Heliconia’s zone 8–10 band: USDA PLANTS / Growable Ground plant database. A parcel report resolves your address’s own zone and frost dates rather than its county’s.
Pollinator + Wildlife Value
Heliconia draws hummingbirds (high value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, heliconia can only work that bloom inside Nevada's frost window — roughly 163 days, opening after the last 28°F freeze (Apr 28 - May 20) and closing at the first (Oct 9 - Oct 21), per NOAA Regional Climate Centers ACIS, 1991-2020.
Nevada Cooperative Extension
For Nevada-specific cultivar recommendations, planting calendars, and pest pressure for heliconia, the canonical source is University of Nevada, Reno Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.
Common Questions About Growing Heliconia in Nevada
When can I plant Heliconia in Nevada?
Nevada's last spring hard freeze (28°F) clears between Apr 28 and May 20, and the first fall hard freeze lands between Oct 9 and Oct 21 (NOAA Regional Climate Centers ACIS, 1991-2020). Time outdoor planting to after the last hard freeze for your specific site — a further two to three weeks for anything tender — and count back from those dates for transplant scheduling.
What hardiness zone is Heliconia grown in across Nevada?
Nevada spans USDA hardiness zones 4a-10a (USDA ARS PHZM 2023). Heliconia carries a range of zones 8-10, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical Nevada site have?
A typical Nevada site sees ~163 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Heliconia should be matched against that window, so check whether your local microclimate runs above or below the state average before settling on a planting date.
Will Heliconia actually grow on my specific land in Nevada?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores heliconia against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.
Check your specific parcel in Nevada
State-level data is a sketch. Your Growable Ground report scores heliconia against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
Three things about your lot that Nevada heliconia averages can't show:
We read public map data around Nevada — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Nevada heliconia average
Explore More
Growing guides for heliconia
Explore Nevada county by county
Nevada carries 17 counties with their own USDA zone — a sample of the growing pages for heliconia there:
Where else heliconia grows
Heliconia's zone band crosses state lines — these are the states closest to Nevada in winter climate where it also has a page, plus the far ends of its range. Each one re-answers the question with that state's own record.
More to grow in Nevada
Nevada has a growing page for 1,041 plants — a rotating sample of the rest of the shelf.
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