Does it need a lot of water?

Once established, it is quite drought tolerant and prefers well-draining soil.

Light pruning is fine, but avoid cutting into old wood as it does not regenerate well.

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

Cupressus arizonica — Photo by Troy Murphy (CC0) via gbif

The Arizona cypress is a beautiful, drought tolerant evergreen that brings a touch of the desert to your landscape. It features a conical shape and striking foliage that ranges from gray green to blue. It is a fantastic choice if you want a sturdy, low maintenance tree.

Another photo of Arizona cypress — Photo by zebedeugalinha (CC BY) via iNaturalist

At a glance

Care level: Easy
Plant type: Evergreen conifer
Light: Full sun
Indoor light: Direct sun
Water: Every 7 to 14 days
Mature size: 40 to 50 feet
Growth rate: Medium
Hardiness: USDA 6 to 9
Bloom time: Late winter to early spring

Care

Plant this tree in a spot with excellent drainage to prevent root issues. Watch for yellowing needles which often signal too much moisture in the soil. It is quite hardy once established and rarely needs extra attention.

Watering: Water deeply but infrequently once the tree is established to encourage deep roots.
Feeding: Apply a balanced fertilizer once in early spring to support healthy growth.
Pruning: Prune lightly in late winter to maintain shape or remove dead branches.
Repotting: Repot only if the tree is in a container and has become root bound.
Soil: Well draining, rocky, or sandy soil
Soil pH: 6.0 to 8.0
Temperature: -20 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

Safety

People: The plant is generally considered non-toxic but may cause mild skin irritation upon contact with sap.
Pets: This plant is generally considered non toxic to cats and dogs.
Children: The small, hard cones could pose a minor choking hazard if swallowed by very small children.
Contact allergens: Handling the foliage may cause minor skin irritation for sensitive individuals.
Airborne allergens: The pollen can be a significant allergen for those sensitive to conifer pollen during the spring.
Edibility: The foliage and cones are not for human consumption and can cause digestive upset if ingested.

How to identify it

Conical growth habit
Gray green to blue foliage
Scalelike leaves on rounded twigs
Small woody cones
Reddish brown peeling bark

Height: 6 to 15m
Spread: 3 to 6m
Leaves: blue-green, gray-green, evergreen
Flowers: yellow, 0.2 to 0.5cm
Fruit: brown, Autumn

Problems to watch for

CankerCommon
Spider MitesCommon
BagwormsUncommon
DehydrationUncommon
Juniper ScaleUncommon
Root RotUncommon
Twig BlightUncommon

By symptom

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Growing it

Propagation: seed, cuttings
When to plant: spring, autumn
Overwintering: No special winter care is needed as it is fully hardy in its recommended zones. Ensure the soil remains well-drained to prevent root rot during wet winters.
In containers: It is not well suited for long-term container growth due to its large mature size.

Seed

Collect mature cones in autumn.
Dry cones until they open to release seeds.
Sow seeds in a well-draining mix and keep lightly moist.

Group this tree with other drought-tolerant plants that do not require frequent summer irrigation.

Grows well with

Desert Sage — It shares similar water needs and provides a nice color contrast.
Apache Plume — This shrub thrives in the same dry, sunny conditions as the cypress.

Similar species

Leyland Cypress — It is a popular hybrid often used for screens but requires more water.
Italian Cypress — It has a similar look but a much narrower, columnar growth habit.

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 endangered or threatened in its native range.

It grows naturally on rocky slopes and canyons where it thrives in thin, well-drained soils.

Value to wildlife: provides nesting cover, seeds feed small birds
Pollinators: bees
Uses: ornamental specimen, windbreak, privacy screen, xeriscaping

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

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

Taxonomy resolved against GBIF.

Questions people ask

Does it need a lot of water?: Once established, it is quite drought tolerant and prefers well-draining soil.
Can I prune it?: Light pruning is fine, but avoid cutting into old wood as it does not regenerate well.

Where the name comes from

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

Good to know

It is one of the few cypress species native to the southwestern United States.
The wood is aromatic and has been used for fence posts and small woodworking projects.
It can live for over 100 years in ideal conditions.
The bark peels away in thin, papery strips as the tree matures.

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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.