Box-leaf Hebe (Veronica odora) displaying its characteristic small dark green box-like leaves and white flower racemes

Box-leaf Hebe

Veronica odora

Not Threatened

Veronica odora, commonly known as Box-leaf Hebe, is a hardy native New Zealand shrub that forms a distinctive rounded bush growing 50cm to 1 meter tall with small, dark green, box-like leaves. This widespread species inhabits montane to penalpine grassland, shrubland, bogs and flushes throughout the North Island, South Island, Stewart Island and Auckland Islands, typically in wet situations from sea level to 1,672 meters elevation. Known for its loose racemes of white flowers that bloom from spring to autumn, this resilient shrub is highly valued both for its ornamental qualities and its adaptability to diverse growing conditions.

Box-leaf Hebe (Veronica odora) showing characteristic small box-like leaves and white flower clusters
Image credit: Box-leaf Hebe (Veronica odora) - Photo by Wikipedia contributors, via Wikipedia

Plant Description

Veronica odora (hebe) is a compact shrub with aromatic foliage when crushed and short spikes of white to pale lilac flowers. Leaves are opposite, glossy, and often slightly glaucous; habit neat and rounded.

Quick Facts

Veronica odora quick facts
Common Names Box-leaf Hebe, Hebe Odora
Scientific Name Veronica odora (syn. Hebe odora)
Family Plantaginaceae (Plantain family)
Growth Form Rounded shrub, sometimes mat-forming
Height 50cm - 1.7m tall (usually shorter)
Spread 60-100cm spreading rounded bush
Water Needs Low to moderate - drought tolerant once established
Light Full sun to partial shade
Frost Tolerance Hardy - tolerates moderate to heavy frosts
Salt Tolerance Good - suitable for coastal conditions
Growth Rate Moderate - slow to establish, then steady growth
Lifespan Long-lived perennial shrub (10+ years)
Flowers White, in loose terminal racemes
Flowering Time November - January (sometimes to March)
Conservation Status Not Threatened
Distribution North Island, South Island, Stewart Island, Auckland Islands
Habitat Montane to penalpine grassland, shrubland, bogs and flushes
Elevation Range Sea level - 1,672m
Cultural Name Part of the koromiko group (MÃÆ’Ԡâââ€ōÂ¡ÃƒÂ‚¬Ã¢â€ōÂ¾ÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ÃƒÆ’”¦Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¾ÃƒÆ’Į’â┚¬Å¡Ãƒâââ€ōÂ¡ÃƒÂ‚¬ÅÂ¡ÃƒÆ’”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ori)

Climate Best Suited to

Cool to mild coastal climates; tolerates wind and light frost; dislikes hot, humid summers and heavy, waterlogged soils.

Regional Suitability

City 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 Ideal
Invercargill Ideal

Natural Habitat

Rocky coastal and subalpine habitats depending on form; typically wellÃÆ’ÔšÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’Æ’Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ã…¡Ã”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¬ÃƒÆ’ĉââ€ōÂ¡ÃƒÂ‚¬ÅÂ¡ÃƒÆ’”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ÃƒÆ’Į’ÔšÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’Æ’Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ã…¡Ã”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¬ÃƒÆ’ĉââ€ōÂ¡ÃƒÂ‚¬Ã‚¹Ãƒ”¦Ã¢ââ€ōÂ¡ÃƒÂ‚¬Åâ€ōÂ“drained, exposed sites with good air movement.

On limestone pavements and gritty ridges the species thrives, taking full sun with constant wind; emulate these conditions in the garden.

Plant Conservation

Conservation Status

Veronica odora has a conservation status of "Not Threatened" according to the New Zealand Threat Classification System, reflecting its widespread distribution and stable populations throughout New Zealand's mountainous regions.

Ecological Importance

As a widespread montane species, Box-leaf Hebe plays important ecological roles in subalpine and alpine plant communities. The species exhibits fascinating genetic diversity with diploid plants recorded from the North Island, northern South Island and Auckland Islands, while tetraploids occur at various South Island localities and Stewart Island. This chromosomal variation contributes to the genetic richness of New Zealand's flora.

The species commonly hybridizes with whipcord hebes throughout its range, including crosses with V. tetragona in the North Island and V. hectorii in the South Island, helping maintain genetic diversity within the Veronica genus. Its wind-dispersed seeds make it important for natural colonization and ecosystem recovery processes.

How to Grow

Light
Full sun to light shade.
Soil
FreeÃÆ’ÔšÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’Æ’Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ã…¡Ã”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¬ÃƒÆ’ĉââ€ōÂ¡ÃƒÂ‚¬ÅÂ¡ÃƒÆ’”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ÃƒÆ’Į’ÔšÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’Æ’Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ã…¡Ã”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¬ÃƒÆ’ĉââ€ōÂ¡ÃƒÂ‚¬Ã‚¹Ãƒ”¦Ã¢ââ€ōÂ¡ÃƒÂ‚¬Åâ€ōÂ“draining, mildly acidic to neutral; avoid winter wet.
Water
Moderate; drought tolerant once established in cool climates.

Planting Guide

Plant slightly proud in heavy soils; mulch with gravel to keep the collar dry. Space 0.6-1ÃÆ’Ԡâââ€ōÂ¡ÃƒÂ‚¬Ã¢â€ōÂ¾ÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ÃƒÆ’”¦Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¡ÃƒÆ’Į’â┚¬Å¡Ãƒâââ€ōÂ¡ÃƒÂ‚¬ÅÂ¡ÃƒÆ’”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ m depending on cultivar size.

Ecology

Flowers provide nectar for pollinators; dense habit offers shelter for small invertebrates.

Compact, nectar‑rich flowers feed pollinators early in the season; dense twigging provides shelter for invertebrates and small skinks.

Uses

Compact coastal shrub for borders, low hedges and container culture; aromatic foliage adds sensory interest.

Excellent as a clipped, low partition along paths where brushing releases scent, or as punctuation in gravel gardens with silver foliage companions.

Landscaping Ideas

Contrast with silver Astelia and fine grasses; place along paths for scented brushing.

Position on raised berms or rock pockets where drainage is instant; echo its rounded habit with repeated planting to tie vistas together in windy coastal sites.

Seasonal Care

After Flowering

Light trim to maintain shape and encourage new shoots.

Summer

Keep roots cool with gravel mulch and water deeply during extended drought; avoid overhead irrigation in humid heat.

Pruning

Clip lightly after flowering; avoid cutting into old wood with no foliage.

Renew shape by shortening a portion of older stems each year to a leafy side shoot, keeping the plant compact without exposing bare framework.

How to Grow Box-leaf Hebe

Box-leaf Hebe grows best when you match its natural habitat: prepare wellÃÆ’ÔšÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’Æ’Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ã…¡Ã”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¬ÃƒÆ’¢â”šÂ¬Ã‹ōâ€ōÂ“drained soil, get the light right, water steadily, and protect from extremes during establishment. Dig wide planting holes, set the crown at original depth, water to settle, and mulch with coarse organic matter to conserve moisture while keeping the stem base dry. Feed lightly in spring; heavy nitrogen is unnecessary and can weaken growth.

Seed

Sow fresh, viable seed on a freeÃÆ’ÔšÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’Æ’Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ã…¡Ã”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¬ÃƒÆ’¢â”šÂ¬Ã‹ōâ€ōÂ“draining mix, cover lightly with fine grit, and keep evenly moist in bright light out of harsh sun. Germination timing varies; prick out once roots hold the media and harden off gradually.

Division

Where the species permits, divide robust clumps in early spring as new growth begins. Replant divisions with several shoots into fresh mix, water thoroughly, and maintain steady moisture until reÃÆ’ÔšÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’Æ’Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ã…¡Ã”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¬ÃƒÆ’¢â”šÂ¬Ã‹ōâ€ōÂ“established.

Cuttings

For shrubs and many perennials, strike semiÃÆ’ÔšÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’Æ’Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ã…¡Ã”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¬ÃƒÆ’¢â”šÂ¬Ã‹ōâ€ōÂ“hardwood cuttings in late spring to summer in a coarse, freeÃÆ’ÔšÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’Æ’Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ã…¡Ã”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¬ÃƒÆ’¢â”šÂ¬Ã‹ōâ€ōÂ“draining propagation mix under gentle bottom heat and high humidity. Reduce leaf area, ventilate progressively as roots develop, and pot on before planting out.

AfterÃÆ’ÔšÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’Æ’Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ã…¡Ã”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¬ÃƒÆ’¢â”šÂ¬Ã‹ōâ€ōÂ“care

Maintain an open mulch, irrigate during drought in the first season, and prune or tidy according to the species to build a resilient framework. Adjust shade, wind exposure and watering to prevent stress, and refresh mulch annually for longÃÆ’ÔšÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’Æ’Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ã…¡Ã”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¬ÃƒÆ’¢â”šÂ¬Ã‹ōâ€ōÂ“term performance.

Pests and Diseases

Good disease resistance; ensure air flow to prevent fungal issues in humid summers.

Root rot arises in saturated soils; plant on a slight mound, and thin lightly if congestion traps humidity within the crown.

Cultural Significance

Box-leaf Hebe belongs to the broader group of plants known collectively as "koromiko" in te reo MÃÆ’Ԡâââ€ōÂ¡ÃƒÂ‚¬Ã¢â€ōÂ¾ÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ÃƒÆ’”¦Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¾ÃƒÆ’Į’â┚¬Å¡Ãƒâââ€ōÂ¡ÃƒÂ‚¬ÅÂ¡ÃƒÆ’”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ori, a name that encompasses various Hebe and Veronica species throughout New Zealand. While specific traditional uses of Veronica odora are not extensively documented, its close botanical relationship to other koromiko species suggests it likely shared similar cultural importance.

Related koromiko species were extensively used in rongoÃÆ’Ԡâââ€ōÂ¡ÃƒÂ‚¬Ã¢â€ōÂ¾ÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ÃƒÆ’”¦Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¾ÃƒÆ’Į’â┚¬Å¡Ãƒâââ€ōÂ¡ÃƒÂ‚¬ÅÂ¡ÃƒÆ’”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ (traditional MÃÆ’Ԡâââ€ōÂ¡ÃƒÂ‚¬Ã¢â€ōÂ¾ÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ÃƒÆ’”¦Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¾ÃƒÆ’Į’â┚¬Å¡Ãƒâââ€ōÂ¡ÃƒÂ‚¬ÅÂ¡ÃƒÆ’”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ori medicine), with leaves commonly chewed to treat dysentery and diarrhea, and used as poultices for ulcers and wounds. The broader koromiko group was considered particularly beneficial for kidney and bladder health, and as a general tonic.

During both World Wars, dried koromiko leaves were famously sent to New Zealand soldiers overseas, with MÃÆ’Ԡâââ€ōÂ¡ÃƒÂ‚¬Ã¢â€ōÂ¾ÃƒÂ‚¢ÃƒÆ’¢â”šÂ¬Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ÃƒÆ’”¦Ãâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚¾ÃƒÆ’Į’â┚¬Å¡Ãƒâââ€ōÂ¡ÃƒÂ‚¬ÅÂ¡ÃƒÆ’”šÃâ€ōÂ¡ÃƒÂƒÃ¢Â€ÂšÃƒÂ‚ori communities organizing to provide this traditional medicine to their men serving abroad. This practice demonstrated the ongoing cultural significance and practical value of these native plants.

Today, Box-leaf Hebe represents an important part of New Zealand's botanical heritage and serves as an excellent example of the country's endemic flora. Its widespread cultivation in gardens worldwide has made it one of New Zealand's most recognizable native plant ambassadors.

Bonus Tip

Gravel mulch at the base keeps the collar dry through winter wet.

In frost-prone hollows, place near sun-warmed stone to buffer cold snaps while preserving the crisp, compact habit.