Douglas fir (Pseudotsuga menziesii), photographi

How to Grow Douglas Fir

Pseudotsuga menziesii · Zones 4-10

Douglas Fir is a tree, a long-term addition to the landscape. It's hardy across USDA zones 4 through 10 and shrugs off deer.

Douglas Fir — the short answer

Douglas Fir: grown in zones 4–10, part sun, pH 5–7.5.

USDA zones
4–10
Hardy to zone 4a — Cal Poly SelecTree; NC State Extension Gardener Plant Toolbox; Utah State University Extension TreeBrowser.
Soil pH
5–7.5
USDA PLANTS
Sun
Part Sun
Growable Ground Plant Database

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — each tile names its own row's source, because per-field provenance varies.

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Score Douglas Fir on your exact land.

Zone averages can't see the slope, soil, frost, and sun that decide whether douglas fir actually takes — and those shift from one yard to the next. Enter your address and we'll score douglas fir against your land's real conditions.

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What Douglas Fir is

Douglas Fir grows as a perennial and reaches around 120 feet at maturity. It blooms in mid spring. It's also deer-resistant.

How to grow Douglas Fir

Douglas Fir grows in USDA zones 4 through 10. Douglas Fir does best in part sun — at least 4 hours of direct sun a day — and soil from pH 5 to 7.5.

USDA Zones

4-10

Rated hardy to zone 4a by Cal Poly SelecTree, NC State Extension Gardener Plant Toolbox and Utah State University Extension TreeBrowser, checked Oct 2026. Ceiling: our plant database.

Soil pH

5 - 7.5

USDA PLANTS

Sun

Part Sun

Growable Ground plant catalog

Drainage

Data pending

Cold Hardiness

-33°F

The coldest temperature this plant is documented to survive.

USDA PLANTS

Mature Height

120 ft

Growable Ground plant catalog

  1. Plant it right

    Set douglas fir in part sun with well-drained soil.

  2. Match the soil

    Douglas Fir prefers pH 5 to 7.5 (USDA PLANTS). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.

  3. Water steadily

    Keep the root zone evenly moist through establishment. Match watering to the plant's drainage preference and your local rainfall.

  4. Shape it while it is young

    Prune douglas fir only to remove dead, damaged or crossing branches while it is young; it is grown for its form, not a harvest, so little more is needed once it settles in.

Where Douglas Fir thrives

Douglas Fir is hardy across USDA zones 4 through 10. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.

A USDA zone is a 10°F band of average annual extreme winter minimum, so zones 4–10 spans average winter lows from -30°F to 40°F (USDA PHZM 2023). Across the 50 states and DC, that band covers 38 outright and splits 13 more down the middle — and which side of that line your land sits on changes the answer.

Zones 4–10 highlighted on the USDA national hardiness zone map

Zones 4–10·Where Douglas Fir growsOpen map →

This map is derived from the USDA ARS / PRISM Plant Hardiness Zone Map (2023) and is not the official USDA Plant Hardiness Zone Map.

Where Douglas Fir stands, state by state

Douglas Fir is rated for zones 4–10 — a cold floor USDA puts at -30 to -20°F. Across the 50 states and DC, 38 sit fully inside that band, the line runs through 13 more, and 0 sit outside it — and inside every split state, the same line runs on at county grain.

Fully inside zones 4–10

38 states

3 of 38 shown

The line runs through

13 states

3 of 13 shown

Douglas Fir’s band covers part of each of these states — which side of the line your county sits on changes the answer, and each state page draws it.

State zone extents: USDA Plant Hardiness Zone Map (PHZM) 2023. A zone is a 10°F band of average annual extreme minimum temperature, so a state that splits the band contains the boundary — its own page draws the county line, and a parcel report resolves which side your land sits on.

Good to know

Douglas Fir isn't classified as a notable pollinator plant in our data — pair it with high-value bloomers nearby to feed bees.

Your land is one point inside Douglas Fir's range

This page resolves to the species. Your state page draws the county line, and a report reads the parcel — the soil pH, drainage, sun, and frost dates on your exact ground, which no species average can see.

Free Report

See if Douglas Fir will thrive on your land

Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether douglas fir actually takes — we score it against the real conditions at your address.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

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How we know this about Douglas Fir

The figures above are cited per row, not per site: the pH band names this plant’s own source column, the three temperature figures each carry their own, and days-to-maturity cites the publication that actually lists it. All of it comes from the Growable Ground Plant Database — a compilation over FAO ECOCROP, USDA PLANTS, and university Extension sources, published openly with per-field provenance.

Grounded inUSDA PLANTS Database•ASPCA

Frequently asked questions

Can I grow Douglas Fir in my zone?

Douglas Fir grows in USDA hardiness zones 4 through 10 (Rated hardy to zone 4a by Cal Poly SelecTree, NC State Extension Gardener Plant Toolbox and Utah State University Extension TreeBrowser, checked Oct 2026. Ceiling: our plant database.). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.

When should you plant Douglas Fir?

Set douglas fir out in early spring or fall while it's dormant, so the roots establish before the heat of summer. Your local last-frost date — which a Growable Ground report pulls for your exact address — sets the precise window.

How much sun does Douglas Fir need?

Douglas Fir does well in partial sun — around 4 hours of direct sun, and it takes some afternoon shade in stride. That flexibility makes it a good match for a bed the house or a nearby tree shades for part of the day. A Growable Ground report maps how the sun actually falls on your land, hour by hour, so you can set it where the light lines up.

What soil does Douglas Fir need?

Douglas Fir prefers soil pH 5 to 7.5 (USDA PLANTS). Your report scores your parcel's actual soil against that using USDA SSURGO data.

Does Douglas Fir attract pollinators?

Douglas Fir isn't classified as a notable pollinator plant in our data. Pairing it with high-value bloomers nearby keeps bees and butterflies fed.