Bentham’s Hebe hero image

Bentham's Hebe

Veronica benthamii

Not Threatened

Introduction

Introduction Overview

Veronica benthamii is a compact hebe (0.6–1.2 m) with tidy branching and showy summer flower spikes. It prefers free-draining soils and performs well in sunny borders and coastal gardens. native shrubs

Veronica benthamii flowering

Image credit: Bentham's Hebe (Veronica benthamii). Wikipedia

Quick Facts

Quick Facts Overview

Scientific Name Veronica benthamii
Height 0.6–1.2 m
Spread 0.6–1.0 m
Water Needs Moderate (free-draining soil)
Light Full sun to partial shade
Frost Tolerance Moderate
Salt Tolerance Moderate; tolerates coastal conditions
Growth Rate Moderate
Lifespan Long-lived shrub

Climate Best Suited to

Well adapted to lowland coastal to inland gardens with winter drainage. Performs best in regions with mild winters and not overly hot summers.

Regional Suitability

City Climate Suitability
Whangārei Ideal
Auckland Ideal
Hamilton Ideal
Tauranga Ideal
Rotorua Ideal
Gisborne Ideal
New Plymouth Ideal
Napier Ideal
Whanganui Ideal
Palmerston North Ideal
Wellington Ideal
Nelson Ideal
Christchurch Ideal
Dunedin Moderate
Invercargill Moderate

Growing Requirements

Soil

  • Well-drained sandy or loamy soils
  • Enrich with compost for structure
  • Avoid heavy, waterlogged clays

Light

  • Full sun promotes dense flowering
  • Partial shade tolerated
  • Shelter from cold, drying winds

Water

  • Moderate watering; reduce in winter
  • Mulch to conserve moisture
  • Do not allow prolonged wet feet

Uses & Significance

Garden Uses

  • Compact flowering shrub for borders
  • Coastal gardens and mixed native plantings
  • Low informal hedging

Ecological Value

  • Nectar source for pollinators
  • Cover for small fauna

Seasonal Care Calendar

Spring

  • Feed lightly with balanced fertiliser
  • Tip-prune to shape if needed

Summer

  • Main blooming period; deadhead lightly
  • Water during extended dry spells

Autumn

  • Reduce watering; mulch for winter

Winter

  • Ensure good drainage to prevent root issues

When to Prune and How Much

When to Prune and How Much Overview

Light annual pruning after flowering maintains a dense habit. Avoid hard pruning into old wood.

Planting Guide

When to Plant

Autumn or spring in most regions; avoid periods of extreme heat or cold.

Site Selection

  • Sunny, sheltered position
  • Free-draining soil

Propagation Methods

Cuttings

Semi-hardwood cuttings taken after flowering root readily with bottom heat.

This section provides important information about plant care and cultivation practices. Understanding these aspects helps ensure successful growth and development in garden conditions.

Cultural History

Cultural History Overview

A cultivated hebe valued in New Zealand gardens for reliable flowering and manageable size.

This section provides important information about plant care and cultivation practices. Understanding these aspects helps ensure successful growth and development in garden conditions.

Pests & Diseases

Pests & Diseases Overview

Generally trouble-free when well-drained. Monitor for scale and aphids; maintain airflow.

This section provides important information about plant care and cultivation practices. Understanding these aspects helps ensure successful growth and development in garden conditions.

Bonus Tip

Bonus Tip Overview

Plant in groups of three for a fuller display and extended flowering impact along borders.

This section provides important information about plant care and cultivation practices. Understanding these aspects helps ensure successful growth and development in garden conditions.

Cultural Significance

Cultural Significance Overview

Hebes are iconic in Aotearoa gardens; this compact species is widely used in coastal and urban plantings.

Planting Section

Details

This section provides important information about plant care and cultivation practices. Understanding these aspects helps ensure successful growth and development in garden conditions.

Requirements Section

Requirements Section Overview

This section provides important information about plant care and cultivation practices. Understanding these aspects helps ensure successful growth and development in garden conditions.

Care Maintenance Section

Care Maintenance Section Overview

This section provides important information about plant care and cultivation practices. Understanding these aspects helps ensure successful growth and development in garden conditions.

Plant Description

Physical Characteristics

Veronica are characterized by their simple, opposite leaves and distinctive four-petaled flowers arranged in terminal or axillary spikes or racemes. The genus ranges from tiny alpine cushion plants to small trees, with leaves varying from needle-like to broad and oval, often with attractive textures and colors. Their rapid evolution from herbaceous ancestors has produced remarkable diversity in size and form while maintaining consistent floral characteristics.

Ecological Role

Environmental Impact

Veronica play vital ecological roles as nectar sources for native insects, butterflies, and occasionally birds, with their abundant flowers providing food throughout much of the growing season. Many species serve as nurse plants in harsh environments, creating sheltered microsites that enable other native plants to establish. Their diverse growth forms from groundcovers to small trees fill numerous ecological niches in New Zealand's ecosystems.

Landscaping Section

Landscaping Section Overview

This section provides important information about plant care and cultivation practices. Understanding these aspects helps ensure successful growth and development in garden conditions.

Growing Requirements Section

Growing Requirements Section Overview

Veronica species generally prefer well-drained, moderately fertile soils with neutral to slightly alkaline pH, and benefit from shelter from cold, drying winds. They propagate easily from semi-hardwood cuttings and fresh seed, with most species preferring cool climates and struggling in hot, humid conditions. Good drainage is essential as waterlogging can be fatal, while many species tolerate coastal conditions and moderate drought once established.

Plant Conservation

Plant Conservation Overview

Many Veronica species face conservation challenges from habitat fragmentation, with numerous populations now isolated and showing poor recruitment due to browsing by introduced mammals. Genetic pollution from planted garden cultivars threatens wild populations, while invasive weeds like hieracium compete directly with alpine species. Climate change poses additional threats to specialized alpine and coastal species adapted to specific environmental conditions.

Cultural Section

Cultural Section Overview

This plant has cultural associations in Aotearoa and is valued in restoration and gardens for ecological services; use eco‑sourced stock near natural areas.

Veronica species held special significance for Māori, with DNA research revealing deliberate cultivation and transplanting of attractive red-flowered species south of West Auckland, demonstrating sophisticated horticultural practices. These plants were valued for their ornamental beauty and were carefully moved to new locations where they established lasting populations. The genus represents one of the few documented examples of pre-European ornamental plant cultivation in New Zealand.

Plant Ecology

Plant Ecology Overview

Veronica have evolved sophisticated adaptations including specialized leaf structures for different climates, wind and water dispersed seeds, and the ability to hybridize readily which has contributed to their spectacular diversification. Their evolution into woody forms from herbaceous ancestors represents adaptation to New Zealand's forest-dominated pre-human landscape where height provided competitive advantage. Many species exhibit remarkable tolerance to environmental extremes including salt, wind, and temperature fluctuations.

Plant Habitat

Plant Habitat Overview

The genus occupies virtually every habitat in New Zealand from coastal salt meadows and cliff faces to alpine fellfields and snow-bank communities near the treeline. Different species show strong habitat preferences, with coastal forms tolerating salt spray and wind, montane species preferring cool, moist conditions, and alpine species adapted to extreme temperature fluctuations and intense UV radiation. Many species thrive in open, sunny situations with good air circulation.