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Plant library  ·  Conifers & Evergreens

Arizona Cypress

Cupressus arizonica

Arizona cypress is a tall, blue-gray evergreen that brings a strong vertical element to dry, sunny planting plans. At about 35 feet tall and 15 feet wide, it reads as a small tree rather than a border conifer. Use its persistent foliage and peeling bark to anchor open xeriscape areas, define a large property edge, or give a windbreak a softer, blue-toned profile.

Sunlight Full Sun
Water Very Low
USDA zones 7–9
Planning spacing 12 ft
Typical mature size 35 ft tall, 15 ft wide

Arizona Cypress spacing and mature footprint

Space Arizona Cypress 12 ft apart, measured center to center (3.7 m).

The mature spread is about 15 ft (4.6 m), so plants set at that distance grow together into a connected screen.

Treat 12 ft as a planning baseline — cultivar and local growing conditions shift the final footprint.

Compare with the full conifer and evergreen spacing chart

Three plants set 12 ft apart, center to center; shaded circles show the 15 ft mature spread.

Placement and use

Give Arizona Cypress an open position where its broad, conical form can develop without pressing into roofs, overhead lines, driveways, or narrow side yards. It works well as a specimen set back from paths and patios, or in a repeated line for a windbreak or visual screen. Keep the planting row far enough from beds that neighboring plants will not be permanently shaded as the trees gain height. Its low-water character suits gravelly, dry-style compositions and unirrigated portions of a larger landscape.

Spacing and mature footprint

Plant Arizona cypress 12 feet apart, center to center, when making a grouped screen or windbreak. Each tree can mature around 15 feet wide, so a 12-foot rhythm will allow the crowns to meet or overlap visually over time. Reserve a planting strip at least as wide as the expected crown, and leave a clear working edge beside the row for access, mowing, and keeping lower plantings from being crowded.

Sun, water, and soil

Place this tree in full sun, where dense foliage can hold its best form. Choose ground that drains well rather than a persistently wet pocket; dry or sandy sites and slopes are workable locations. Water needs are very low once established, so avoid placing it in the same irrigation zone as regularly watered lawn or moisture-demanding beds.[1][2]

Seasonal notes

As a perennial evergreen, Arizona cypress keeps its blue-gray presence through winter instead of leaving a seasonal gap in the plan. Its 35-foot eventual height means the shade pattern will become more consequential over the years. Keep sun-dependent planting areas to the south side of the tree line where possible, and use the north side for circulation or planting that does not rely on all-day sun.

Planning caveats

Avoid sites with prolonged humidity or poorly drained soil, especially where air movement is limited. Shallow rooting can make anchorage less secure in clay, so give exposed sites thoughtful placement away from areas where windfall would threaten structures or circulation. A dry, well-drained setting is the more dependable fit.[2]

Growing facts

Botanical name
Cupressus arizonica
Type
Conifer
Category
Conifers & Evergreens
Lifecycle
perennial
USDA hardiness zones
7–9
Sunlight
Full Sun
Water
Very Low
Planning spacing
12 ft
Typical mature size
35 ft tall, 15 ft wide
Plan a garden with arizona cypress

References

  1. Hesperocyparis arizonica (Arizona Cypress) — North Carolina Extension Gardener Plant Toolbox
  2. Hesperocyparis arizonica var. arizonica: Roughbark Arizona Cypress — University of Florida IFAS Extension