Generally — Most Areas
tree peony (zones 4-8) suits most of Nevada (4a-10a) — zones 4-8 are in range, and the rest of the state is the exception.
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 tree peony against your land's actual soil, sun, and frost.
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Zone Comparison
Tree Peony Needs
- USDA Zones: 4-8
- Sun: Part Sun
- Mature size: 5 ft tall
- Picking window: ~21 days of harvest
- Drought tolerance: Medium
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 4-8)
Plant data: USDA PLANTS Database / Growable Ground plant catalog. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
When to Plant Tree Peony 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: USDA PLANTS Database. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.
Tree Peony in Nevada — Quick Answer
- Verdict: Generally — Most Areas
- Plant Zones: 4-8 (USDA PLANTS Database)
- State Zones: 4a-10a (USDA ARS PHZM 2023)
- Growing Season: 28°F hard freezes about Apr 28 - May 20 to Oct 9 - Oct 21 (NOAA Regional Climate Centers ACIS, 1991-2020)
What Else to Consider for Tree Peony 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 tree peony — is covered on the Nevada growing guide.
Where in Nevada Tree Peony Is Zone-Hardy
Tree Peony is rated for USDA zones 4–8. 16 of Nevada’s 17 counties fall inside that band. The coldest that does is Elko County at zone 5a. 1 county sits above its zone 8 ceiling, where the limit is too little winter chill rather than too much cold. 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 tree peony 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". Tree Peony’s zone 4–8 band: USDA PLANTS / Growable Ground plant database. A parcel report resolves your address’s own zone and frost dates rather than its county’s.
Where in Nevada Fits Best
Even within Nevada's zones 4a-10a, county microclimates differ enough to change what thrives. These counties carry the closest zone match for tree peony (USDA PHZM 2023):
Pollinator + Wildlife Value
Tree Peony draws honeybees and native bees (moderate value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, tree peony 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 tree peony, 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 Tree Peony in Nevada
When can I plant Tree Peony 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 Tree Peony grown in across Nevada?
Nevada spans USDA hardiness zones 4a-10a (USDA ARS PHZM 2023). Tree Peony carries a range of zones 4-8, 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). Tree Peony 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 Tree Peony actually grow on my specific land in Nevada?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores tree peony 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 tree peony against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
Three things about your lot that Nevada tree peony averages can't show:
We read public map data around Nevada — soil, climate, flood, and parcel records. How we handle your address.
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