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Evergreen

Blue Ice Arizona cypress

Hesperocyparis arizonica 'Blue Ice'

Blue Ice Arizona cypress is an upright evergreen conifer with steel-blue foliage that holds its color through the year. Small cones add a quieter seasonal detail. Expect about 15 feet of height and 8 feet of width after ten years, with height potentially reaching 25 feet, so plan for a tree rather than a narrow shrub. Its columnar outline can anchor a dry garden or provide screening where there is room for growth. In Southwest Washington, give it full sun and well-drained soil; wet, heavy ground and crowded, humid sites increase the risk of poor performance. Water while it establishes, then avoid excess irrigation.

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At a glance

Mature height
May reach about 25 ft; about 15 ft after 10 years
Mature spread
About 8 ft after 10 years; allow additional room
Light
Full sun
Hardiness
USDA Zone 5

The right plant, the right place

Make room for something good.

The columnar form and blue foliage provide year-round structure in a dry garden or spacious screen. Give a specimen enough room to retain its natural outline.

Where to plant

Choose an open position in full sun. Leave space from buildings and neighboring plants for its tree-scale growth and air circulation.

Through the seasons

Steel-blue evergreen foliage carries the display through every season. Small cypress cones may also appear.

Southwest Washington gardens

Give it a good start.

Southwest Washington's wet soils make drainage especially important. A sunny, well-drained site suits this cypress better than a crowded planting in heavy ground.

Soil, drainage & water

Plant in well-drained soil and avoid places that stay wet. Once established, the tree tolerates dry conditions better than excess irrigation.

A little care goes a long way

Growing well, season after season.

Water regularly while the tree establishes, then avoid excess irrigation. Shape lightly only when needed.

Know what to look for

Common growing concerns.

Symptoms can have more than one cause. These notes are a starting point for observing your plant and improving its growing conditions.

Cypress or cedar canker

Look for flagging, browned branches, dieback, or visible cankers.

Help your plant thrive

Choose a well-drained site, avoid injuring branches, and prune affected growth during dry weather.

Tip injury

Shoot tips may brown or die back; several causes are possible.

Help your plant thrive

Check affected tips and use local pest guidance if damage continues.

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