Conditional — Some Areas
Norway spruce (zones 2-7) reaches only part of Texas (6b-10b): zones 6-7 are in range, so where you are in the state decides it.
Norway Spruce in Texas — the short answer
Norway Spruce in Texas: hardy in zones 2–7, part sun, against a state median of ~274 frost-free days.
- Plant zones
- 2-7
- 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
- Texas zones
- 6b-10b
- USDA PHZM 2023
- Frost window
- Feb 10 - Mar 12 – Nov 18 - Dec 4
- NOAA RCC ACIS 1991-2020, 28°F
- Shortest county season
- 197 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.
Texas spans zones 6b-10b, but your yard sits in exactly one — and slope, tree cover, and cold-air pockets nudge it further. Enter your address and we'll score norway spruce against your parcel's actual hardiness, soil, and sun.
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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Texas is not one climate
Texas’s winter-low ladder runs across 254 counties, from zone 6.5 in Dallam County to zone 10 in Willacy County. That is 35°F between the two counties’ average coldest night — the difference between norway spruce overwintering in the ground and coming under cover.
The middle half of 254 counties runs 8–9 zones, with a median of 8.5 zones — a 3.5-zone span end to end.
Measured across 254 Texas counties. USDA PHZM 2023, per county. 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 Texas Fits Best
Norway Spruce is rated for zones 2–7 — a cold floor USDA puts at -50 to -40°F. Against Texas’s 254 counties that band holds in 24 of them, and the line runs at Dallam County (zone 6b), the coldest county still inside it.
Inside zones 2–7
24 counties
- Lipscomb County · zone 6b
- Armstrong County · zone 7a
- Bailey County · zone 7a
3 of 24 shown
Above the zone 7 ceiling
230 counties
- Childress County · zone 7b
- Cochran County · zone 7b
- Collingsworth County · zone 7b
3 of 230 shown
Too little winter chill rather than too much cold — a low-chill selection is what changes it.
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 Texas's zones 6b-10b, county microclimates differ enough to change what thrives. These counties carry the closest zone match for norway spruce (USDA PHZM 2023):
Zone Comparison
Norway Spruce Needs
- USDA Zones: 2-7
- Sun: Part Sun
- Mature size: 80 ft tall
- Drought tolerance: Medium
Texas Has
- USDA Zones: 6b-10b
- Last Hard Freeze (28°F): Feb 10 - Mar 12
- First Hard Freeze (28°F): Nov 18 - Dec 4
- Annual Rainfall: 8-56 inches
- Common Soils: Black clay (Blackland Prairie), Sandy loam, Caliche
Plant Zone Range (zones 2-7)
Preferred Soil pH
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 Norway Spruce in Texas
The frost window
Across Texas, the last spring hard freeze (28°F) clears between Feb 10 and Mar 12, and the first fall hard freeze lands between Nov 18 and Dec 4 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 251-day window you can count on — up to 297 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.
Winter standing
Texas runs as cold as USDA zone 6, and no sourced winter-hardiness floor is on record for norway spruce, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether norway spruce is a permanent planting or a replant-every-spring crop for you turns on your own zone within Texas; check its hardiness range against that before treating it as long-lived ground.
Timing tuned to sub-state frost dates — Dallam County, not the statewide average.
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.
Growing Season Fit
The zone check says norway spruce survives winter in part of Texas, not across all of it. Whether the season is long enough — and warm enough — is a different question.
Chill hours
Norway Spruce requires ~800 chill hours (32-45°F dormancy window). Texas typically banks ~1122 chill hours per winter (from PRISM 1991-2020 climate normals), which keeps this plant on track.
GDD and chill-hour figures are computed from PRISM 1991-2020 monthly climate normals; frost-free days from NOAA Regional Climate Centers ACIS, 1991-2020. Each is the state median across its counties (P25/P75 span the within-state spread). Hardiness-zone range is USDA PHZM 2023.
Soil + Drainage Fit
Norway Spruce prefers acidic soil (pH 3.7-5.5). Texas's black clay (blackland prairie) can run on the acidic side, which often aligns well — confirm with a soil test before planting. It will grow across that whole span, but it does best between pH 4 and 5 — worth knowing before you decide whether a Texas soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your Texas site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.
Your land, not the state average
Texas soil pH runs about 7.0–7.9, and that sits above norway spruce's tolerated 3.7–5.5, so the typical Texas parcel needs sulfur to bring it down. SSURGO maps it swinging by full points parcel to parcel, so your map unit, not the state number, decides whether norway spruce needs lime or sulfur.
Check your parcel → Source: USDA NRCS SSURGO.
Plant pH requirements: FAO ECOCROP and USDA PLANTS, with the remaining rows from other published sources or Growable Ground compilation. Drainage: FAO ECOCROP, with the remaining rows from other published sources or Growable Ground compilation. Texas soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.
What Else to Consider for Norway Spruce in Texas
Zone compatibility tells you about winter cold survival — but Texas growers also need to think about:
Extreme heat (100F+ days) stresses many crops from June through September
Rainfall varies dramatically — 8 inches in west TX to 56 inches in east TX
Heavy black clay (Blackland Prairie) is difficult to work and drains poorly
Flash drought conditions can develop rapidly even in wet years
Growing norway spruce here specifically
Norway Spruce prefers acidic soil (pH 3.7–5.5), but Texas's soils trend alkaline (SSURGO dominant pH near 7.5) — above its range, iron and other micronutrients become unavailable.
Test your soil and acidify with elemental sulfur toward norway spruce's 3.7–5.5 range before planting. How to handle it →
What to actually do about these — and the constraints that apply to every Texas grower, not just norway spruce — is covered on the Texas growing guide.
Timing shifts within Texas
Texas isn't one climate. In Dallam County, the last hard freeze (28°F) holds until about Apr 12 — roughly 46 days later than the recorded state median — so plant norway spruce to your county's window, not the statewide date.
County last-freeze dates: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F freeze (earlier than the folk 32°F "last frost"). A parcel report resolves your address's own frost dates.
Where in Texas Norway Spruce Is Zone-Hardy
Norway Spruce is rated for USDA zones 2–7. 24 of Texas’s 254 counties fall inside that band. The coldest that does is Dallam County at zone 6b. 230 counties sit above its zone 7 ceiling, where the limit is too little winter chill rather than too much cold. Where you are in Texas decides this one.
Across those 254 counties Texas’s winter-low ladder runs from zone 6b in Dallam County to zone 10a in Willacy County — 3.5 USDA zones of spread, which is 35°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. Dallam County holds its last hard freeze (28°F) until about Apr 12, while Kenedy County is clear by Jan 14 — 88 days apart. Set norway spruce 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". Norway Spruce’s zone 2–7 band: USDA PLANTS / Growable Ground plant database. A parcel report resolves your address’s own zone and frost dates rather than its county’s.
Texas Cooperative Extension
For Texas-specific cultivar recommendations, planting calendars, and pest pressure for norway spruce, the canonical source is Texas A&M AgriLife Extension Service. Their fact sheets carry the local trial data we can't generalize across 50 states.
Is Norway Spruce native to Texas?
No — the USDA PLANTS Database lists Norway Spruce as introduced rather than native in the Lower 48, so it is not part of Texas's native flora. It grows here as a garden plant; pairing it with a few Texas natives keeps local pollinators fed too.
Looking for plants that belong here? The Texas growing guide lists USDA-documented natives for the state.
Native-range data: USDA PLANTS Database state-distribution records, accessed 2026-07-01.
Common Questions About Growing Norway Spruce in Texas
When can I plant Norway Spruce in Texas?
Texas's last spring hard freeze (28°F) clears between Feb 10 and Mar 12, and the first fall hard freeze lands between Nov 18 and Dec 4 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for Norway Spruce, so this page does not state whether it overwinters in Texas and publishes no fall establishment date for it — check its hardiness range against your own zone before treating it as a permanent planting.
What hardiness zone is Norway Spruce grown in across Texas?
Texas spans USDA hardiness zones 6b-10b (USDA ARS PHZM 2023). Norway Spruce carries a range of zones 2-7, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical Texas site have?
A typical Texas site sees ~274 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Norway Spruce 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. In cooler counties like Dallam, the freeze-free season runs shorter than the state average, so verify your own county's window.
Is Norway Spruce native to Texas?
No — the USDA PLANTS Database lists Norway Spruce as introduced rather than native in the Lower 48, so it is not part of Texas's native flora. It grows here as a garden plant; pairing it with a few Texas natives keeps local pollinators fed too.
How should I amend the soil for Norway Spruce in Texas?
Norway Spruce prefers pH 3.7-5.5 and well (dry spells) drainage (FAO ECOCROP). Most Texas soils run mildly acidic to neutral; many sites land near this band naturally, and a soil test plus targeted sulfur or organic amendment closes any gap.
Will Norway Spruce actually grow on my specific land in Texas?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores norway spruce 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 Texas
State-level data is a sketch. Your Growable Ground report scores norway spruce against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
Three things about your lot that Texas norway spruce averages can't show:
We read public map data around Texas — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Texas norway spruce average
Explore More
Growing guides for norway spruce
Explore Texas county by county
Texas carries 254 counties with their own USDA zone — a sample of the growing pages for norway spruce there:
Where else norway spruce grows
Norway Spruce's zone band crosses state lines — these are the states closest to Texas 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 Texas
Texas has a growing page for 1,041 plants — a rotating sample of the rest of the shelf.
Analysis by the Growable Ground research team, grounded in USDA PLANTS, USDA NRCS SSURGO, NOAA Climate Normals (1991-2020), and named Cooperative Extension sources. How we know →
Cite this dataset
Kirchick, M. (2026). Growable Ground Plant Database [Data set]. Zenodo. https://doi.org/10.5281/zenodo.21435643
Licensed CC BY-NC 4.0. DOI 10.5281/zenodo.21435643
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