shrubN. America Native

Pacific Wax Myrtle

Morella californica

The Story

Plant Bio

Morella californica is a densely bushy evergreen large shrub or small tree native to the coastal zones and moist inland canyons of western North America. The upright, multi-branched form features slender, ascending branches clothed in glossy, dark-green leaves that release a spicy aroma when crushed.

The species is distinguished by its exceptional tolerance to salt spray and strong maritime winds, making it a highly effective windbreak or hedge in coastal gardens. Small, discrete flowering catkins are followed by waxy, bumpy, dark purple-brown drupes that provide a critical food source for native wintering birds.

Uses & Benefits:

Dense, glossy evergreen foliage provides year-round structure, screening, and wind protection in coastal landscapes.

Fixes atmospheric nitrogen through root nodules, allowing it to stabilize and thrive in nutrient-poor sandy soils.

Serves as a larval host for the red-banded hairstreak butterfly and provides critical winter food for native songbirds.

Essentials

At a Glance

Plant Type

Shrub

Height

180"

Width

120"

Light

Full Sun, Partial Sun

Zones

8, 9, 10

Water

Moderate

Humidity

High

Lifespan

Perennial

Native To

Western North America

Toxicity

Non-toxic

Bloom period

Spring – Early summer

In flower about 4 months of the year

Planting

How to Grow

Select a planting site in full sun to partial shade with well-drained sandy, loamy, or organic soil.
Dig a hole twice as wide as the root ball and set the plant at the same depth as its nursery container.
Backfill with native soil and water deeply to settle the roots without adding supplemental fertilizer.
Apply a thick layer of organic mulch around the base to conserve moisture and suppress weeds.

Pro Tip

Prune lightly in late winter or immediately after fruiting to maintain shape, taking care not to cut back into old, leafless bare wood which lacks adventitious buds and will fail to resprout.

Keep It Thriving

Care Guide

Do

Water regularly during the first two growing seasons to establish a deep, resilient root system.
Prune lightly after fruiting to maintain a dense, bushy habit or to shape into a formal hedge.
Mulch annually to mimic the organic forest floor conditions of its native coastal habitat.

Don't

Do not apply heavy nitrogen fertilizers, as the plant naturally fixes its own nitrogen via symbiotic root nodules.
Do not cut back severely into old, bare wood, as the plant will fail to sprout new foliage from old stems.
Do not plant in poorly drained, heavy clay soils where standing water can trigger root rot.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mulch
Pest Check
Propagate
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

HedgePrivacy ScreenWindbreakErosion ControlRain Garden

Companion Plants

Arbutus menziesii Vaccinium ovatum Gaultheria shallon Polystichum munitum

Multiply

Propagation Methods

Good to Know

Common Questions

Pacific Wax Myrtle questions

What zones can Pacific Wax Myrtle grow in?

Pacific Wax Myrtle is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

When does Pacific Wax Myrtle bloom?

Pacific Wax Myrtle typically blooms in spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Pacific Wax Myrtle need full sun?

Pacific Wax Myrtle does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Pacific Wax Myrtle drought tolerant?

Yes — once established (usually after the first full season), Pacific Wax Myrtle handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.