<i>Veronica benthamii</i>(Veronica benthamii) hero image

Bentham's Hebe

Veronica benthamii

Not specified

This native plant, known as Bentham's Hebe(scientific name: Veronica benthamii), is a remarkable species endemic to New Zealand. It is characterized by its unique features, ecological role, and cultural significance. This comprehensive guide provides detailed information on its care, propagation, and importance within the New Zealand ecosystem. Understanding this plant contributes to the appreciation of our rich biodiversity and heritage, and supports conservation efforts for Browse All.

<i>Veronica benthamii</i>(Veronica benthamii) showing <i>Veronica benthamii</i>growth habit
Image credit: Bentham's Hebe (Veronica benthamii) - Photo via Wikipedia

Plant Description

Identification and Physical Characteristics

Bentham's Hebe ( Veronica benthamii ) is a native and endemic vascular shrub found in New Zealand Discover more about native ferns. It typically grows up to 1 meter tall and is characterized by its low-growing, bright green, bushy, and fleshy appearance. Its stems are decumbent or ascending, with eglandular-pubescent or glabrous (hairless) stems. The leaves are oval, coriaceous (leathery), ranging from 10-33 mm long and 3.5-14.5 mm wide. They are arranged in opposite-decussate pairs, are shortly connate (joined at the base), and often have bluntly toothed to crenate margins. A distinctive feature is a thick band of dense, tangled white hairs along the leaf margins, giving them a furry, silvery appearance. Small, blue to purplish flowers are borne in terminal racemes (spikes) that can be 30-80 mm long, sometimes up to 10 cm. The flowers typically have 4-6 calyx and corolla lobes. The capsules are latiseptate (2-locular) or trigonous/turgid (3-locular), acute or sub-acute, glabrous, and 4-8 mm long. The seeds are broadly ellipsoid to discoid, flattened, smooth, and straw-yellow to dark brown, measuring 1.2-1.9 mm long.

Quick Facts

Veronica benthamii quick facts
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

Veronica benthamiiis well adapted to various New Zealand regions.

Regional Suitability

City suitability for Veronica benthamii
City Climate Suitability
Auckland High
Wellington High
Christchurch Medium

Plant Habitat

Natural Occurrence and Ecology

Bentham's Hebe (Veronica benthamii) is an indigenous and endemic vascular shrub found only in New Zealand, specifically on the Auckland Islands and Campbell Island/Motu Ihupuku.Sub-alpine Tussock Grassland and Low Scrub:Its natural habitat primarily consists of sub-alpine tussock grassland and low scrub, indicating its adaptation to exposed, high-altitude environments.Steep and Rocky Slopes:It is commonly found on steep and rocky slopes, often growing on peat amongstChionochloa antarctica tussocks and shield fern (Polystichum vestitium). It can also be found around boulder and rock outcrops.Coastal to Montane Regions:Its habitat ranges from coastal to montane regions, with recorded elevations from 90 to 495 meters.Well-Drained Soil:It prefers free-draining soils and performs well in sunny borders and coastal gardens.Cooler Climates:It is well-adapted to cooler climates with mild winters and not overly hot summers.The presence ofVeronica benthamiiin these specific subantarctic island habitats underscores its ecological importance in contributing to the unique biodiversity and structural complexity of New Zealand's remote island ecosystems.

Growing Requirements

Soil Requirements

Prefers well-draining soil rich in organic matter.

  • Well-drained
  • Loamy

Light Requirements

Grows best in partial to full sun.

  • Full Sun
  • Partial Shade

Water Requirements

Requires regular watering during dry periods.

  • Regular
  • Drought tolerant once established

Planting and Establishing

Establishment Guidance

Plant Veronica benthamiiin a hole twice the width of the root ball.

Proper establishment is key to long-term success. Ensure the planting hole is twice as wide as the root ball and backfill with a mix of native soil and organic compost. Initial watering should be thorough, followed by regular monitoring during the first two growing seasons to ensure the plant becomes well-anchored and resilient to local climate fluctuations.

Ecological Role

Biodiversity and Ecosystem Impact

Provides habitat and food for native fauna.

This species plays a vital role in its local ecosystem, providing essential habitat and food sources for native biodiversity. Its presence supports complex ecological interactions, contributing to the overall health and stability of the environment. By planting this native, you help maintain the intricate web of life that defines New Zealand's unique natural heritage.

Uses & Significance

Garden Uses

Ideal for rock gardens and native borders.

  • Rock gardens
  • Ground cover

Ecological Value

Supports local pollinators.

  • Birds
  • Insects

The versatility of this plant makes it a valuable addition to many New Zealand gardens. Beyond its aesthetic appeal, it offers practical benefits such as soil stabilization and shelter for smaller plants. Its historical and modern uses highlight its enduring importance in both traditional practices and contemporary landscape design, making it a thoughtful choice for any restoration or gardening project.

Landscaping Uses

Adds texture and form to modern landscapes.

In a landscape setting, this plant provides excellent structure and year-round interest. Its unique form and foliage can be used to create focal points or as a cohesive element in a larger native planting scheme. It pairs well with other New Zealand natives, allowing for the creation of diverse and resilient garden environments that reflect the natural beauty of Aotearoa.

Seasonal Care Calendar

Spring

Mulch and apply balanced fertilizer.

  • Fertilize
  • Mulch

Summer

Water deeply during dry spells.

  • Water
  • Check for pests

Autumn

Tidy up any dead foliage.

  • Prune lightly
  • Plant new specimens

Winter

Protect from heavy frosts if necessary.

  • Frost protection

When to Prune and How Much

Minimal pruning required to maintain shape.

  • Remove dead branches

Always use clean, sharp tools.

Regular maintenance through careful pruning ensures the plant remains healthy and maintains its desired shape. Focus on removing dead or diseased wood to promote better air circulation and prevent the spread of pathogens. Proper pruning techniques help the plant direct its energy toward new growth, resulting in a more robust and aesthetically pleasing specimen in your garden.

How to Grow Bentham's Hebe

Cultivating Veronica benthamii(Veronica benthamii) is a rewarding endeavor for any gardener interested in New Zealand's unique flora. This species can be propagated through several methods, each requiring specific conditions to ensure healthy growth and establishment. Successful propagation depends on mimicking the plant's natural environment and providing consistent care during the early stages of development.

From Seed

Propagation from seed is often the most effective way to produce a large number of Veronica Benthamii plants. Seeds should be collected when they are fully mature. Freshly collected seeds generally have higher germination rates than those that have been stored for long periods.

Sow fresh seeds in a seed-raising mix.

  1. Collect seeds
  2. Sow in trays

Keep moist until germination.

From Cuttings

For those wishing to replicate specific characteristics of a parent plant, vegetative propagation via cuttings is the preferred method. This technique ensures that the new plants are genetically identical to the source. Semi-hardwood cuttings taken during the appropriate season usually yield the best results for this species.

Take semi-hardwood cuttings in late summer.

  1. Take cuttings
  2. Use rooting hormone

Additional Methods

Depending on the growth habit of Veronica benthamii, other methods such as division or layering might also be viable options. Division is particularly suitable for plants that form dense clumps or have spreading root systems, while layering can be used for species with trailing or flexible stems.

Division can be done in early spring.

  1. Divide clumps
  2. Replant immediately

Pests & Diseases

Generally resistant to major pests.

While generally resilient, maintaining optimal growing conditions is the best defense against pests and diseases. Regular monitoring allows for early detection of any issues, which can often be managed through cultural practices or organic interventions. Ensuring good air circulation and appropriate watering will significantly reduce the plant's susceptibility to common environmental stresses and pathogens.

Cultural Significance

While specific cultural significance forVeronica benthamiiis not widely documented, the genus name "Veronica" is thought to be derived from Saint Veronica, and the species epithet "benthamii" honors George Bentham, a prominent 19th-century botanist. Related Veronica species (formerly classified underHebe) hold cultural significance within New Zealand, particularly in Māori culture and traditional practices (Rongoā Māori). These plants are valued for their resilience and historical association with various regions, and some were even cultivated by Māori for their ornamental qualities, demonstrating advanced horticultural practices.

  • Traditional medicine
  • Crafts

Bonus Tip

Excellent for low-maintenance gardens.

For an extra boost, consider applying a thin layer of high-quality organic mulch around the base of the plant. This helps retain soil moisture, suppresses weeds, and gradually improves soil structure as it breaks down. This simple step can make a significant difference in the plant's overall vigor and resilience, especially during periods of extreme weather.

Plant Conservation

Conservation Status

Veronica benthamii, also known as Bentham's hebe, is a plant species endemic to New Zealand, specifically found on the Auckland Islands and Campbell Island/Motu Ihupuku. As of 2023, its conservation status is classified as "At Risk - Naturally Uncommon" with a "Range Restricted" qualifier. Despite this classification, there are currently no known threats toVeronica benthamii. The plant thrives in its natural habitats, which are protected within Nature Reserves and World Heritage Sites, with access regulated by the New Zealand Department of Conservation.