United States / Grow / Douglas-firs

Douglas-firs Pseudotsuga

This hub compares 2 species records. Across all 2 records, it carries 215 evidence rows from 27 distinct cited sources. The species split is 2 keep-away. The species records remain separate: their evidence does not become one verdict for the genus.

Keep away: 2 species

Douglas-fir Keep away Pseudotsuga menziesii Majority — dissent on page · 214 sources Zones 4–4
Blue Douglas-Fir Keep away Pseudotsuga menziesii v. glauca Limited evidence · 1 source

About douglas-firs

Directory notes

Plant forms recorded in this group: tree. The records span published USDA zones 4–4. These are record-level fields, not a whole-genus flammability claim.

More about Pseudotsuga: Wikipedia — external references; not evidence sources.

Where rated douglas-firs grow

Tagged as growing in 21 states.

A public-domain coast Douglas-fir specimen and enlarged cone show the conspicuous three-pointed trident bracts protruding between cone scales. Taxonomy labels Pseudotsuga as distinct from true firs in Abies and spruces in Picea. — **FA Exhibit ID-004.** Douglas-fir is neither: the cone with tongues. Morphology from USFS FEIS PSEMENM and USFS Silvics of North America. Specimen after Sudworth 1908, fig. 36, public domain. Identification only — no flammability claim. Confirm uncertain material with a regional key or a botanist. CC BY 4.0.

The answer for douglas-firs is no. Here is what to plant instead.

Alternatives matched by form and place, each carrying its own evidence.

Alternatives to douglas-fir →

See Pseudotsuga on Grow → · JSON