Planting zone for 15622 — Champion, PA
ZIP code 15622 (Champion, Westmoreland County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 2 and the first fall frost October 17.
Where ZIP 15622 is
Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoomNot the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.
Was 5b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 6a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Champion, PA…
Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.
Frost dates in Champion, PA
A hard freeze (28 °F) usually ends around April 22 and returns around October 28.
From the NOAA station Hidden Valley, PA — 3 miles away, elevation 2,877 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.
When to plant vegetables in 15622
Counted from the median last spring frost (May 2) and first fall frost (Oct 17) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.
When spring arrived in 2026
In 2026, spring leaf-out near 15622 came on Mar 16 — 20 days earlier than the 1991–2020 average (Apr 5).
Apr 52026
Mar 16
The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).
Native plants for zone 6a in Pennsylvania
598 plants native to the lower 48 states, recorded in Pennsylvania, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. Each links to its USDA PLANTS profile.
Trees 76
Shrubs 121
Wildflowers & perennials 207
Grasses 170
Vines 9
Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Champion, PA.
Soil in Champion, PA
The soil mapped at the center of ZIP 15622 is Hazleton — slightly decomposed plant material, well drained.
Map unit: Hazleton channery sandy loam, 25 to 70 percent slopes, extremely stony.
Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 15622; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Champion, PA
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Hidden Valley, PA (3 mi away); precipitation: Hidden Valley, PA (3 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 6a.
Questions about 15622
What planting zone is ZIP code 15622?
ZIP code 15622 (Champion, PA) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).
When is the last frost in Champion, PA?
The median last spring frost (32 °F) near 15622 is May 2; after May 18 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Hidden Valley station.
When is the first frost in Champion, PA?
The median first fall frost near 15622 is October 17, giving a median frost-free growing season of 168 days.
When should I plant tomatoes in 15622?
Start tomato seeds indoors around Mar 7 – Mar 21 and set transplants outside around May 9 – May 23, one to three weeks after the median last frost.
How much rain and snow does 15622 get?
About 55.9 inches of precipitation a year (NOAA 1991–2020 normals, Hidden Valley station).
How hot do summers get in Champion, PA?
The average high peaks at 77 °F in July, with about 0 days a year at 90 °F or more.
What kind of soil does 15622 have?
The USDA soil survey maps Hazleton at the center of ZIP 15622: slightly decomposed plant material, well drained, pH about 4.3 (strongly acidic).
Did spring come early in Champion, PA in 2026?
Spring leaf-out near 15622 came on Mar 16 in 2026, 20 days earlier than the 1991–2020 average (Apr 5), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Champion, PA?
Long-day onions: the longest day near 15622 is 15 h 01 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).
Did the zone for 15622 change?
Yes. The 2012 USDA map put 15622 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.