It typically reaches 30 to 50 feet in height.

Does it need much water?

Once established, it is quite drought tolerant.

Plant guide

Arizona cypress.

Cupressus arizonica

Pronounced koo-PRESS-us air-ih-ZON-ih-kuh

Also known as Arizona cypress, Arizona smooth cypress, Cuyamaca cypress, Piute cypress, arizona-cypress

cypresses (genus) — Photo by zebedeugalinha (CC BY) via iNaturalist

The Arizona cypress is a rugged, evergreen conifer known for its striking blue-green foliage and conical shape. It thrives in dry, sunny climates and makes an excellent windbreak or specimen tree. Its ability to tolerate heat and drought makes it a favorite for landscapes in warmer regions.

At a glance

Care level: Easy
Plant type: Evergreen conifer
Light: Full sun
Indoor light: direct
Water: Every 14 to 30 days
Mature size: 12 to 18 meters
Growth rate: fast
Hardiness: USDA 7 to 9
Bloom time: Late winter to early spring

Care

Plant in a spot with excellent drainage to prevent root issues. Monitor for signs of drought stress during the first year, though it is quite hardy once established. Keep an eye out for common pests like spider mites if the air is consistently dry.

Watering: Water deeply but infrequently once established to encourage deep root growth.
Feeding: Apply a balanced slow-release fertilizer in early spring if growth appears sluggish.
Pruning: Prune in late winter to maintain shape or remove dead branches.
Repotting: Repot only if container-grown and root-bound.
Soil: Well-draining, rocky, or sandy soil
Soil pH: Neutral to slightly alkaline
Temperature: -15 to 40°C
Humidity: 20 to 50%
Drought tolerance: high
Lifespan: Perennial, typically 50 to 100 years.
Fragrance: light
Deer and rabbits: high

Signs it needs repotting

Roots growing out of the drainage holes.
Water running straight through the pot without soaking in.
Stunted growth despite proper care.

Safety

People: The foliage can cause mild skin irritation in sensitive individuals upon contact.
Pets: This plant is generally considered non-toxic to cats and dogs.
Children: The foliage is somewhat prickly and should be kept away from small children to prevent minor scratches.
Contact allergens: Handling the foliage may cause dermatitis in some people.
Airborne allergens: The pollen is a known allergen during the spring release period.
Edibility: This plant is not intended for human consumption.

How to identify it

Conical evergreen growth habit
Blue-green scale-like foliage
Small woody spherical cones
Reddish-brown peeling bark

Height: 9 to 18m
Spread: 3 to 6m
Leaves: blue-green, gray-green, evergreen
Flowers: yellow, brown, 0.5 to 1cm

Common problems

Cypress Canker — A fungal infection that causes branch dieback and can eventually kill the tree.
Spider Mites — Tiny pests that suck sap from needles, often causing yellowing or browning.
Root Rot — Occurs when the soil stays too wet for too long, leading to root decay.

Growing it

Propagation: seed, cuttings
When to plant: spring, autumn
Overwintering: No special winter protection is needed as it is well adapted to cold temperatures.
In containers: It can be grown in large containers while young, but it will eventually require planting in the ground.

Seed

Collect seeds from mature cones in late fall.
Store seeds in a cool, dry place until spring.
Soak seeds in water for 24 hours before planting.
Sow in a well draining potting mix.
Keep the soil lightly moist until germination occurs.

Pair this tree with other drought tolerant plants that appreciate full sun and lean soil.

Grows well with

Desert Sage — They share similar water needs and thrive in sunny, dry conditions.
Apache Plume — This shrub provides a nice textural contrast to the fine needles of the cypress.

Keep away from

Willow — Willows require far more moisture than the Arizona cypress can tolerate.

Similar species

Leyland Cypress — It is a popular alternative but grows much faster and requires more maintenance.

Science

Family: Cupressaceae
Genus: Cupressus
Order: Pinales
Class: Pinopsida
Native range: Southwestern United States and northern Mexico.
Conservation: This species is not currently listed as threatened or endangered in its native range.

It is well adapted to rocky, well drained soils in mountainous regions where it survives periodic drought.

Value to wildlife: provides dense nesting cover, offers winter shelter for birds
Uses: ornamental specimen, privacy screening, windbreak, holiday tree

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 2/9
Soil reaction: 7/9
Light: 8/9
Temperature: 6/9
Moisture: 3/9
Nutrients: 4/9

Taxonomy resolved against GBIF.

Questions people ask

How big does it get?: It typically reaches 30 to 50 feet in height.
Does it need much water?: Once established, it is quite drought tolerant.

Where the name comes from

The name Cupressus is the classical Latin name for the cypress, while arizonica refers to its native range in Arizona.

Good to know

It is one of the few cypresses native to the southwestern United States.
The wood is aromatic and resistant to decay.
It can grow quite rapidly when young.

Is your arizona cypress looking unwell?

This page is a general guide. Pocket Botanist diagnoses problems from a photo of your actual plant, works out watering for your light and conditions, and reminds you when care is due.

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This guide was generated with AI and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.