North America Native Plant

Mcnab’s Cypress

Botanical name: Hesperocyparis macnabiana

USDA symbol: HEMA21

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Callitropsis macnabiana (A. Murray bis) D.P. Little (CAMA4)  âš˜  Cupressus macnabiana A. Murray bis (CUMA)  âš˜  Neocupressus macnabiana (A. Murray bis) de Laub. (NEMA6)   

McNab’s Cypress: A Drought-Loving Native Conifer for Water-Wise Gardens Looking for a tough, drought-tolerant evergreen that’s perfectly at home in dry climates? Meet McNab’s cypress (Hesperocyparis macnabiana), a charming native conifer that’s been quietly thriving in California and Oregon’s dry landscapes long before xeriscape became a gardening buzzword. This unsung ...

McNab’s Cypress: A Drought-Loving Native Conifer for Water-Wise Gardens

Looking for a tough, drought-tolerant evergreen that’s perfectly at home in dry climates? Meet McNab’s cypress (Hesperocyparis macnabiana), a charming native conifer that’s been quietly thriving in California and Oregon’s dry landscapes long before xeriscape became a gardening buzzword. This unsung hero of the plant world deserves a spot in more water-conscious gardens.

What is McNab’s Cypress?

McNab’s cypress is a perennial evergreen shrub that typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet tall. Don’t let the shrub classification fool you – under the right conditions, this adaptable native can sometimes reach greater heights or develop a more tree-like single trunk. You might also find it listed under its former scientific names: Cupressus macnabiana, Callitropsis macnabiana, or Neocupressus macnabiana.

Where Does McNab’s Cypress Grow Naturally?

This California and Oregon native has made itself at home in the chaparral and woodland areas of these two states. It’s perfectly adapted to the Mediterranean-style climate of the West Coast, where wet winters and bone-dry summers are the norm.

Why Plant McNab’s Cypress in Your Garden?

There are several compelling reasons to consider this native beauty:

  • Water-wise champion: Once established, it thrives with minimal irrigation – perfect for drought-prone regions
  • Native plant benefits: Supports local ecosystems and requires less maintenance than non-native alternatives
  • Unique aesthetic appeal: Features attractive reddish-brown fibrous bark and distinctive scale-like foliage
  • Fire-resistant qualities: Makes an excellent choice for defensible space landscaping
  • Low maintenance: Minimal pruning and care requirements once established

Garden Design and Landscape Uses

McNab’s cypress shines in several garden settings:

  • Xeriscape gardens: A natural fit for water-saving landscapes
  • Native plant gardens: Provides evergreen structure and regional authenticity
  • Rock gardens: Thrives in well-draining, rocky conditions
  • Mediterranean-style gardens: Complements olive trees, lavender, and other drought-tolerant plants
  • Fire-safe landscaping: Useful in defensible space zones around homes in fire-prone areas

Growing Conditions and Hardiness

McNab’s cypress is surprisingly easy to please, as long as you respect its preferences:

  • Sunlight: Full sun exposure is essential
  • Soil: Well-draining soil is crucial – it actually prefers poor to moderate soils over rich, fertile ground
  • Water: Drought tolerant once established, but benefits from occasional deep watering during extended dry periods
  • Climate: Hardy in USDA zones 8-10, making it suitable for mild winter regions

Planting and Care Tips

Getting your McNab’s cypress off to a good start is straightforward:

  • Best planting time: Fall or early spring when temperatures are moderate
  • Watering: Water regularly the first year, then reduce to minimal supplemental irrigation
  • Fertilizing: Generally unnecessary – this plant prefers lean conditions
  • Pruning: Keep it minimal to maintain the plant’s natural form and character
  • Mulching: A thin layer of gravel or bark mulch helps with moisture retention and weed control

Wildlife and Pollinator Considerations

As a wind-pollinated conifer, McNab’s cypress doesn’t offer nectar for bees and butterflies like flowering plants do. However, as a native species, it plays an important role in local ecosystems and can provide shelter and nesting sites for birds and small wildlife.

Is McNab’s Cypress Right for Your Garden?

This native conifer is an excellent choice if you’re looking to create a water-wise landscape that celebrates regional plants. It’s particularly well-suited for gardeners in California and Oregon who want to reduce their water usage while maintaining year-round green structure in their gardens. Just remember that it needs excellent drainage and full sun to truly thrive – soggy soils and shade are definite deal-breakers for this drought-adapted beauty.

By choosing McNab’s cypress, you’re not just adding an attractive, low-maintenance plant to your garden – you’re also supporting native biodiversity and creating a landscape that works with, rather than against, your local climate.

Mcnab’s Cypress

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

Hesperocyparis Bartel & R.A. Price - Western cypress

Species

Hesperocyparis macnabiana (A. Murray bis) Bartel - McNab's cypress

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