North America Native Plant

Gowen Cypress

Botanical name: Hesperocyparis goveniana

USDA symbol: HEGO3

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Callitropsis goveniana (Gordon) D.P. Little (CAGO5)  âš˜  Cupressus goveniana Gord. (CUGO)  âš˜  Cupressus goveniana Gord. ssp. goveniana (CUGOG)  âš˜  Neocupressus goveniana (Gordon) de Laub. (NEGO)   

Gowen Cypress: A Rare California Treasure Worth Protecting Meet the Gowen cypress (Hesperocyparis goveniana), one of California’s rarest and most endangered native conifers. This remarkable little tree has a story that’s equal parts fascinating and heartbreaking – it exists in just two tiny groves along the Monterey County coastline, making ...

Rare plant alert!

Region: United States

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Threatened: Experiencing significant population decline or habitat loss that could lead to its endangerment if not addressed. ⚘

Region: United States

Region: United States

Region: United States

Gowen Cypress: A Rare California Treasure Worth Protecting

Meet the Gowen cypress (Hesperocyparis goveniana), one of California’s rarest and most endangered native conifers. This remarkable little tree has a story that’s equal parts fascinating and heartbreaking – it exists in just two tiny groves along the Monterey County coastline, making it one of the world’s most geographically restricted tree species.

A Tree on the Brink

Before we dive into growing this beauty, there’s something crucial you need to know: the Gowen cypress is officially listed as Threatened and carries an Imperiled conservation status. With only 6 to 20 natural occurrences and somewhere between 1,000 to 3,000 individuals remaining in the wild, this tree is hanging on by a thread. If you’re considering adding one to your garden, please ensure you source it from reputable nurseries that propagate from legally obtained seeds or cuttings – never wild-collected plants.

Where in the World?

The Gowen cypress calls California home, but not just anywhere in the Golden State. This picky tree has chosen two exclusive coastal spots in Monterey County: Cypress Point and Point Lobos. That’s it. The entire wild population exists within a few miles of each other, clinging to life on coastal bluffs and sandy soils.

What Makes It Special?

Despite its shrubby classification, don’t let that fool you – the Gowen cypress is actually a small to medium-sized evergreen conifer that can reach 13-16 feet tall under ideal conditions. Here’s what makes it a standout:

  • Dense, pyramidal to rounded crown that’s incredibly attractive
  • Beautiful scale-like foliage arranged in flattened sprays
  • Striking reddish-brown fibrous bark that adds year-round interest
  • Compact size perfect for smaller landscapes
  • Perennial evergreen structure provides constant garden presence

Garden Role and Design Ideas

If you’re lucky enough to source a Gowen cypress responsibly, it makes an exceptional specimen tree for:

  • Coastal gardens (it’s naturally adapted to salty air)
  • Mediterranean-style landscapes
  • Rock gardens where its compact size shines
  • Specialty conifer collections for serious enthusiasts
  • Conservation gardens focused on rare California natives

Growing Conditions and Care

The Gowen cypress is surprisingly adaptable for such a rare species, but it does have some specific preferences:

Climate: Hardy in USDA zones 9-10, thriving in mild coastal climates

Sun and Soil: Provide full sun to partial shade and absolutely ensure excellent drainage – this tree despises soggy feet. Sandy or well-draining soils work best, avoiding heavy clay at all costs.

Water Needs: Once established, it’s quite drought tolerant (a survival trait from its harsh coastal habitat). Water regularly during the first year, then reduce to occasional deep watering.

Special Considerations: Protect young trees from harsh, drying winds while they establish. The natural coastal environment provides some wind protection that inland gardens may lack.

Wildlife and Pollinator Benefits

As a wind-pollinated conifer, the Gowen cypress doesn’t offer nectar for bees and butterflies. However, it does provide shelter and potential nesting sites for birds, and the seeds (when produced) can feed wildlife.

The Conservation Connection

Here’s where growing a Gowen cypress becomes more than just gardening – it becomes conservation. By cultivating responsibly sourced specimens, you’re helping preserve genetic material of this imperiled species outside its tiny natural range. You become part of a living seed bank, potentially crucial for the species’ survival.

Should You Plant One?

The Gowen cypress isn’t for everyone, and that’s okay. Its rarity means availability is limited, and it requires specific growing conditions. However, if you:

  • Live in zones 9-10 with good drainage
  • Can source plants from reputable conservation-minded nurseries
  • Want to participate in rare plant conservation
  • Appreciate unique, story-rich plants

Then the Gowen cypress might be perfect for your garden. Just remember – with great rarity comes great responsibility. Every cultivated specimen represents hope for this remarkable tree’s future.

Gowen 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 goveniana (Gordon) Bartel - Gowen cypress

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