Overview
Veronica traversii 'Mason River' (H) is a matforming, bushy, trailing, upright shrubs in the genus Veronica, part of the Plantaginaceae family, with evergreen, semi-evergreen, deciduous foliage. Veronica traversii 'Mason River' (H) grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H4, H5, H6, H7. Suggested uses include borders, ground cover, rockeries, containers and coastal gardens.
About
Veronica traversii, synonym Hebe traversii, is a flowering ornamental plant of the family Plantaginaceae. It is endemic to the South Island of New Zealand.
About the genus
Veronica is the largest genus in the flowering plant family Plantaginaceae, with about 500 species. It was formerly classified in the family Scrophulariaceae. Common names include speedwell, bird's eye, and gypsyweed.
Wikipedia contributors, "Veronica (plant)", CC BY-SA 4.0 — Veronica (plant)
Growing conditions
Best soil and position for Veronica
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, East-facing, West-facing, North-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H4, H5, H6, H7
Plant details
Veronica traversii 'Mason River' (H) size, habit and characteristics
- Plant type
- Shrubs
- Habit
- Matforming, Bushy, Trailing, Upright
- Foliage
- Evergreen, Semi-evergreen, Deciduous
- Suggested uses
- Borders, Ground cover, Rockeries, Containers, Coastal gardens
Care notes
Pruning and caring for Veronica traversii 'Mason River' (H)
- Propagation
- Seed, Division, Semi-ripe cuttings
- Pest resistance
- Aphids
- Disease resistance
- Downy mildews, Powdery mildews, Leaf spot, Phytophthora, Honey fungus
Frequently asked questions
Where is the best place to plant Veronica traversii 'Mason River' (H)?
Veronica traversii 'Mason River' (H) prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Veronica traversii 'Mason River' (H) need?
Veronica traversii 'Mason River' (H) is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Veronica traversii 'Mason River' (H) hardy in the UK?
Veronica traversii 'Mason River' (H) has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Veronica traversii 'Mason River' (H)?
Seed, Division, Semi-ripe cuttings.
More in the Veronica genus
- Veronica 'Silver Swallow' (H)

- Veronica exaltataSpeedwell
- Veronica teucriumSpeedwell
- Veronica teucrium 'Blue Fountain'Speedwell
- Veronica teucrium 'Crater Lake Blue'Speedwell
- Veronica teucrium 'Royal Blue'Speedwell
- Veronica townsonii (H)

- Veronica 'Mrs Adamson'Speedwell