Species

Hardenbergia violaceaPurple Coral Pea

4 other cultivars

shrub

Purple Coral Pea

Hardenbergia violacea 'Mini Haha'

The Story

Plant Bio

Hardenbergia violacea, commonly known as purple coral pea, is an evergreen Australian woody climber or scrambling shrub native to open forests and woodlands. It produces dense clusters of purple pea-shaped flowers from late winter to early spring, supported by leathery, dark green leaves with prominent veining.

'Mini Haha' is a compact, dense, shrubby cultivar that reaches only twelve inches in height and thirty-nine inches in width. Unlike the typical climbing species, this selection maintains a low, mounding form and does not require a trellis or support structure.

Uses & Benefits:

Produces dense, vibrant purple pea-shaped flowers in late winter on a compact, non-climbing evergreen frame.

Functions as an excellent low-maintenance groundcover or container plant that tolerates drought once established.

Provides an early-season nectar source for bees, butterflies, and hummingbirds in mild winter climates.

SpeciesHardenbergia violaceaPurple Coral Pea

Essentials

At a Glance

Plant Type

Shrub

Height

12"

Width

39"

Light

Full Sun, Partial Sun

Zones

9, 10

Water

Low to moderate

Humidity

Moderate

Lifespan

Perennial

Native To

Australia

Toxicity

Non-toxic

Bloom period

Late winter – Early spring

In flower about 2 months of the year

Planting

How to Grow

Select a planting site with sharp drainage and full sun to partial shade, prioritizing sunnier spots for maximum flower production.
Dig a hole twice as wide as the root ball and backfill with native soil, ensuring the crown sits slightly above the surrounding soil level to prevent waterlogging.
Water deeply to establish the root system, then reduce frequency to allow the top few inches of soil to dry out completely between waterings.
Apply a low-phosphorus, slow-release native fertilizer sparingly in early spring to support active growth without causing nutrient toxicity.

Pro Tip

Tip-prune immediately after the spring flowering flush finishes; cutting back hard into old, leafless woody stems prevents the plant from regenerating.

Keep It Thriving

Care Guide

Do

Use native-formulated or low-phosphorus fertilizers to avoid leaf burn and toxicity.
Provide sharp drainage and allow soil to dry between waterings.
Tip-prune the plant immediately after flowering to maintain its compact, dense shape.

Don't

Do not apply standard high-phosphorus garden or turf fertilizers.
Do not prune hard into old, leafless woody stems, as the plant cannot regenerate from old wood.
Do not allow the roots to sit in standing water or heavy, waterlogged clay.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Pest Check
Prune
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Border EdgingContainer GardeningRock GardensGroundcoverCoastal Gardens

Companion Plants

Anigozanthos flavidus Westringia fruticosa Grevillea lanigera

Multiply

Propagation Methods

Good to Know

Common Questions

Purple Coral Pea questions

What zones can Purple Coral Pea grow in?

Purple Coral Pea is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Purple Coral Pea deer resistant?

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

When does Purple Coral Pea bloom?

Purple Coral Pea typically blooms in late winter through early spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Purple Coral Pea need full sun?

Purple Coral Pea does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Purple Coral Pea drought tolerant?

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