North America Non-native Plant

Callitris Preissii

Botanical name: Callitris preissii

USDA symbol: CAPR21

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

Synonyms: Callitris robusta (A. Cunn. ex Parl.) R. Br. ex F.M. Bailey (CARO35)   

Callitris preissii: A Distinctive Australian Conifer for Mediterranean Gardens If you’re looking to add some unique character to your drought-tolerant landscape, Callitris preissii might just be the conversation starter your garden needs. This distinctive Australian conifer, also known by its botanical synonym Callitris robusta, brings an interesting architectural element to ...

Callitris preissii: A Distinctive Australian Conifer for Mediterranean Gardens

If you’re looking to add some unique character to your drought-tolerant landscape, Callitris preissii might just be the conversation starter your garden needs. This distinctive Australian conifer, also known by its botanical synonym Callitris robusta, brings an interesting architectural element to Mediterranean-style gardens and water-wise landscapes.

What Makes Callitris preissii Special?

Callitris preissii is a small to medium-sized coniferous tree that stands out from typical garden evergreens. Instead of needles, this tree sports unique scale-like foliage that creates an interesting texture in the landscape. The bark adds another layer of visual interest, and the small woody cones provide additional character throughout the year.

This tree grows at a moderate pace, eventually reaching a manageable size that won’t overwhelm smaller garden spaces while still providing enough presence to serve as a specimen plant or focal point.

Where Does It Come From?

Callitris preissii calls southwestern Western Australia home, particularly thriving in the regions around Perth and along the coastal areas. In its native habitat, it has adapted to the Mediterranean-like climate with dry summers and mild, wet winters.

Is This Tree Right for Your Garden?

This Australian native works particularly well in certain garden styles and conditions:

  • Mediterranean gardens that embrace drought-tolerant plants
  • Modern landscapes seeking architectural plant forms
  • Water-wise gardens in mild climates
  • Coastal gardens that can handle some salt exposure
  • Gardens where you want a unique specimen tree

However, it might not be the best choice if you’re gardening in areas with harsh winters, heavy clay soils, or regions with high humidity and frequent summer rainfall.

Growing Conditions and Care

The good news is that Callitris preissii is relatively low-maintenance once you understand its preferences:

Sunlight: This tree loves full sun and performs best when it gets plenty of bright light throughout the day.

Soil: Well-draining soil is absolutely crucial. Sandy or rocky soils work wonderfully, while heavy clay or constantly moist soils can spell trouble for this drought-adapted species.

Water: Once established, Callitris preissii is quite drought-tolerant. During its first year or two, provide regular water to help it get established, then gradually reduce watering frequency.

Climate: This tree thrives in USDA hardiness zones 9-11, preferring Mediterranean-type climates with dry summers and mild winters.

Planting and Care Tips

Getting your Callitris preissii off to a good start is pretty straightforward:

  • Plant in spring or fall when temperatures are moderate
  • Ensure excellent drainage by amending heavy soils with sand or gravel
  • Water regularly the first year, then transition to minimal supplemental watering
  • Avoid fertilizing heavily – these trees prefer lean soils
  • Prune lightly and only if necessary to maintain shape

Wildlife and Ecosystem Benefits

While Callitris preissii is wind-pollinated and doesn’t offer significant nectar resources for pollinators, it can still provide some wildlife benefits. Birds may use the tree for nesting and shelter, and the cones may provide food for certain wildlife species.

The Bottom Line

Callitris preissii offers gardeners in suitable climates an opportunity to grow something truly different. Its unique foliage, architectural form, and drought tolerance make it an interesting choice for water-wise landscapes and Mediterranean-style gardens. Just remember that success with this tree depends largely on providing the right growing conditions – particularly excellent drainage and a climate that doesn’t get too cold or too wet.

If you’re gardening outside its preferred climate zones, you might want to consider native conifers that are better suited to your local conditions. But for those in Mediterranean climates looking for something distinctive and low-maintenance, this Australian native could be just the ticket.

Callitris Preissii

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

Callitris Vent. - cypress-pine

Species

Callitris preissii Miq. [excluded]

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