shrub

Common Heath

Epacris impressa

The Story

Plant Bio

Epacris impressa, the common heath, is an upright, evergreen Australian shrub reaching about three feet in height, with stiff, wiry stems and rigid, sharply pointed leaves. The tubular, bell-shaped flowers feature five distinct indentations near the base and line the upper branches in dense, one-sided spikes from fall through spring.

This species is distinguished by its highly variable flower color, which ranges from pure white to deep crimson across wild populations. The rigid foliage features characteristic impressed veins on the upper leaf surfaces, often taking on bronze or reddish tints on new growth.

Uses & Benefits:

Ornamental UsesProduces dense, colorful spikes of tubular flowers over a long winter and spring blooming period.
Practical UsesWell-suited for container culture where soil drainage and chemistry can be tightly controlled.
Ecological BenefitsAttracts hummingbirds in North America with its nectar-rich tubular blossoms.

Essentials

At a Glance

Plant Type

Shrub

Height

39"

Width

24"

Light

Full Sun, Partial Sun

Zones

8, 9, 10

Water

Low to moderate

Humidity

Low

Lifespan

Multi-year

Native To

Australia

Toxicity

Non-toxic

Bloom period

Winter – Spring

J
F
M
A
M
J
J
A
S
O
N
D

In flower about 6 months of the year

Planting

How to Grow

  1. Plant in an acidic, sandy or sandy-loam soil mix with a pH between 4.5 and 6.0.
  2. Select a site with full sun to partial shade, providing light dappled shade in hotter climates to protect the shallow root system.
  3. Ensure exceptional drainage, as heavy or waterlogged soils quickly trigger fatal root rot.
  4. Water regularly during dry summer periods to keep the shallow roots from drying out completely.

Pro Tip

Never treat this species like a standard acid-loving shrub by adding rich compost or standard phosphorus-heavy fertilizers, which cause rapid root toxicity and death.

Keep It Thriving

Care Guide

Do

  • Provide exceptional soil drainage to prevent root rot.
  • Protect young plants from frost until they are fully established.
  • Prune lightly immediately after flowering to maintain a bushy habit.

Don't

  • Do not apply standard garden fertilizers containing phosphorus.
  • Do not prune hard into old, leafless woody stems.
  • Do not allow the shallow root zone to dry out completely during summer.
  • Do not disturb the root system once planted.

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Pest Check
Prune
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Container plantingsRock gardensCoastal gardens

Multiply

Propagation Methods

Good to Know

Common Questions

Common Heath questions

What zones can Common Heath grow in?

Common Heath 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.

Is Common Heath deer resistant?

Not reliably. Deer may browse Common Heath, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Common Heath bloom?

Common Heath typically blooms in winter through spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Common Heath need full sun?

Common Heath does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Keep exploring

Grow Common Heath with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.