North America Non-native Plant

Cupressus Sempervirens Var. Dupreziana

Botanical name: Cupressus sempervirens var. dupreziana

USDA symbol: CUSED

Native status: Not native but doesn't reproduce and persist in the wild

Synonyms: Cupressus dupreziana A. Camus (CUDU2)   

Duprez’s Cypress: A Rare Desert Survivor for Your Drought-Tolerant Garden Meet one of the world’s most resilient trees – Cupressus sempervirens var. dupreziana, better known as Duprez’s Cypress or Saharan Cypress. This remarkable evergreen conifer has survived thousands of years in one of Earth’s harshest environments, making it a fascinating ...

Duprez’s Cypress: A Rare Desert Survivor for Your Drought-Tolerant Garden

Meet one of the world’s most resilient trees – Cupressus sempervirens var. dupreziana, better known as Duprez’s Cypress or Saharan Cypress. This remarkable evergreen conifer has survived thousands of years in one of Earth’s harshest environments, making it a fascinating choice for gardeners seeking the ultimate drought-tolerant specimen.

A Tree with an Incredible Story

Duprez’s Cypress isn’t your average backyard tree. This variety of Mediterranean Cypress has adapted to life in the central Sahara Desert, specifically calling the rocky plateaus of Algeria’s Tassili n’Ajjer home. While its more common cousin, the Italian Cypress, graces Mediterranean landscapes worldwide, Duprez’s Cypress represents something far more precious – a living testament to nature’s incredible adaptability.

You might also see this tree listed under its botanical synonym, Cupressus dupreziana, but don’t let the scientific names confuse you. Whether you call it Duprez’s Cypress or Saharan Cypress, you’re talking about the same extraordinary desert survivor.

Why This Tree Deserves Special Consideration

Here’s where things get serious: Duprez’s Cypress is critically endangered in its native habitat. With only a few hundred mature trees remaining in the wild, this species teeters on the brink of extinction. Climate change and human activities have pushed this desert champion to its limits, making every cultivated specimen potentially valuable for conservation efforts.

Important: If you’re considering adding this tree to your landscape, please ensure you’re purchasing from reputable sources that use responsibly propagated material – never wild-collected specimens.

What Makes This Cypress Special in Your Garden

Duprez’s Cypress brings a unique combination of characteristics that make it stand out:

  • Extreme drought tolerance: Once established, this tree can survive with minimal water – perfect for xerophytic and desert-style gardens
  • Distinctive appearance: Features a conical to columnar shape with dense, dark green foliage that stays attractive year-round
  • Moderate size: Typically reaches 20-30 feet tall and 6-10 feet wide, making it manageable for most landscapes
  • Slow to moderate growth: Won’t quickly outgrow its space, requiring minimal pruning
  • Conversation starter: Few gardeners can claim they’re growing one of the world’s rarest trees!

Is Duprez’s Cypress Right for Your Garden?

This tree thrives in USDA hardiness zones 8-10, making it suitable for warmer regions of the United States. It’s particularly well-suited for:

  • Mediterranean-style landscapes
  • Xerophytic and drought-tolerant gardens
  • Desert landscaping projects
  • Specimen plantings where you want a unique focal point
  • Conservation-minded gardens

However, this isn’t the tree for you if you live in areas with high humidity, poor drainage, or frequent rainfall. Duprez’s Cypress has adapted to desert conditions and can actually struggle in environments that are too wet or humid.

Growing Duprez’s Cypress Successfully

The key to success with this desert native lies in recreating its preferred growing conditions:

Sunlight: Provide full sun exposure – this tree needs at least 6-8 hours of direct sunlight daily.

Soil requirements: Well-draining soil is absolutely critical. Sandy or rocky soils work best, and the tree can tolerate poor, alkaline soils that would challenge many other species.

Watering: Once established (usually after the first year), water sparingly. Deep, infrequent watering works better than frequent shallow watering. During establishment, provide moderate water but ensure the soil never stays soggy.

Planting tips: Plant in spring after the last frost. Dig a hole only as deep as the root ball but twice as wide. Avoid amending the soil too much – this tree is adapted to poor soils and may struggle in overly rich conditions.

Maintenance and Long-Term Care

One of the best things about Duprez’s Cypress is its low maintenance requirements once established. Here’s what you need to know:

  • Pruning: Minimal pruning needed; remove dead or damaged branches as necessary
  • Fertilizing: Generally unnecessary – this tree is adapted to poor soils
  • Pests and diseases: Generally pest-free, though good drainage helps prevent root problems
  • Winter care: In zones 8-9, young trees may benefit from wind protection during harsh winters

Wildlife and Ecological Benefits

While Duprez’s Cypress is wind-pollinated and doesn’t offer significant nectar resources for pollinators, it does provide other ecological benefits. The dense foliage offers shelter for birds, and the tree’s evergreen nature means year-round habitat value. In its native range, it provides crucial habitat in an otherwise harsh environment.

The Bottom Line

Duprez’s Cypress represents a unique opportunity to grow something truly special while potentially contributing to conservation efforts. If you have the right climate and growing conditions, and can source the tree responsibly, it makes a fascinating addition to drought-tolerant landscapes.

However, if this rare cypress doesn’t suit your garden conditions, consider native alternatives like Eastern Red Cedar (Juniperus virginiana) for eastern gardens or Utah Juniper (Juniperus osteosperma) for western drought-tolerant landscapes. These native options provide similar evergreen structure while supporting local ecosystems.

Remember, growing Duprez’s Cypress is about more than just adding another tree to your landscape – it’s about becoming a steward of one of nature’s most remarkable survivors. Handle this responsibility with care, and you’ll be rewarded with a truly extraordinary garden specimen.

Cupressus Sempervirens Var. Dupreziana

Classification

Group

Gymnosperm

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Coniferophyta - Conifers

Subdivision
Class

Pinopsida

Subclass
Order

Pinales

Family

Cupressaceae Gray - Cypress family

Genus

Cupressus L. - cypress

Species

Cupressus sempervirens L. - Italian cypress

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA