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Guide botanique

Arizona cypress.

Cupressus arizonica

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

Aussi appelée Arizona cypress, Arizona smooth cypress, Cuyamaca cypress, Piute cypress, arizona-cypress

cypresses (genus)
Photo de 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.

En un coup d'œil

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

Entretien

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

Signes qu'il faut rempoter

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

Sécurité

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.

Comment l'identifier

  • 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

Problèmes courants

  • 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.

La cultiver

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

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

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

Bonnes associations

  • 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.

À éloigner de

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

Espèces similaires

  • 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

Au fil des saisons

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Flowering
Fruiting
Foliage

Repères écologiques

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

Taxonomie vérifiée avec le GBIF.

Ce qu'on demande souvent

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.

D'où vient le nom

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

Bon à savoir

  • 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.

Ton arizona cypress a mauvaise mine ?

Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.

Télécharger l'appli

Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.