Central American Cypress
The aromatic workhorse.
Cupressus lusitanica · Costa Rica · Plantation-grown
Cypressine sesquiterpene oil. USDA Class 2–3 decay resistance. The volume fencing species that outlasts cedar without the treatment schedule.
The Chemistry
What's actually in that scent.
The aroma that distinguishes cypress is not decorative. Cypressine — a sesquiterpene oil found in Cupressus lusitanica — is an active natural preservative. The same compounds that give the wood its characteristic scent make it resistant to moths, insects, and decay fungi.
In enclosed spaces — closets, wardrobes, storage rooms — the aromatic compounds remain effective for approximately 5–10 years. Lightly sanding the surface refreshes the release. No spray, no chemical treatment, no annual schedule.
The species grows at elevations above 1,500m in Costa Rica's highlands. The slower growth rate at altitude produces denser, more uniform ring structure — contributing to the dimensional stability and workability that makes it a practical species for volume applications.
Rated durable to very durable for above-grade exterior use. Not for ground contact — but in its correct applications, no chemical treatment required.
Cypressine sesquiterpene oil stays active in closets and wardrobes for years. A light sand reactivates it. Cedar's equivalent compounds dissipate faster.
CAFTA-DR 0% duty means the savings is built into the landed price. Volume fencing at premium-species quality without the premium-species margin squeeze.
Honest Application Guide
Where cypress excels. Where it doesn't.
Overselling a species costs you a callback. This is where Cupressus lusitanica genuinely performs — and where to specify something else.
Excels
- Above-grade exterior fencing — volume residential and commercial
- Walk-in closets and wardrobes — aromatic and dimensionally stable
- Interior paneling and wall cladding
- Pergola and porch framing (above grade, good drainage)
- Storage rooms and cabinetry where aroma is a feature
- Above-grade cladding with proper flashing and airspace
Use with care
- Above-grade fencing without proper post caps and drainage design
- Exterior applications in continuously wet or shaded microclimates
- High-UV applications without an initial UV-stabilizing oil or finish
Not recommended
- Ground contact — specify pressure-treated or a ground-contact-rated species
- Marine or splash-zone environments — specify teak
- Structural or load-bearing applications
Performance Properties
What makes it worth specifying.
Natural preservative — no treatment schedule
Cypressine oil provides active resistance to insects and decay fungi without any applied chemical. No annual treatment, no coating requirement in above-grade applications.
Dimensional stability and workability
Consistent ring structure from highland growing conditions. Takes nails, screws, and adhesives without splitting. Machines cleanly. Good for volume jobs where consistency across a run matters.
Aromatic performance in enclosed spaces
For closet and wardrobe applications: cypress scent remains active for years in enclosed environments. Functionally superior to aromatic red cedar for moth deterrence in warm climates.
CAFTA-DR economics
Western red cedar moved from ~$3/BF to ~$4/BF post-tariff. Cypress lands at competitive cost under CAFTA-DR 0% duty. Superior decay resistance, lower chemical-treatment burden, comparable installed cost.
Request a cypress spec sheet and sample kit.
Fill out the trade inquiry form — we'll respond within one business day with grade options, dimensions available, and a pricing conversation.