Rakau Veronica (Veronica rakaiensis)

Photo: John BarklaCC BY 4.0via iNaturalistresized / cropped

Rakau Veronica Plant Care

Veronica rakaiensis J.B.Armstr.

Updated · Sources · How we source care data

This plant features striking lance-shaped leaves that are a deep green, originating from the mountains of Uganda. Its unique foliage and vibrant blue-violet flowers make it a sought-after addition to the collections of plant enthusiasts seeking a touch of exotic beauty in their gardens.

🌱Herbs🌼Perennials
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

50–75°F

Humidity

40–60%

At a glance

How do you care for Rakau Veronica?

Plant Rakau Veronica in full sun to partial shade (USDA zones 7a–10b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 50–75°F (10–24°C). Fertilize it every 6 months during the growing season.

Where Is the Rakau Veronica Native To?

Native range1 country

What Is the Rakau Veronica?

Rakau Veronica (Veronica rakaiensis) belongs to the Plantaginaceae family within the Veronica genus. Rakau Veronica is native to the South Island of New Zealand.

Rakau Veronica displays a low rosette, spreading growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Rakau Veronica produces small, tubular flowers in shades of blue, pink, or white.

Leaf size: approximately 3 inches.

How Often Should You Water a Rakau Veronica?

Water a young or newly planted Rakau Veronica every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Watering Frequency

Every 7–10 days

Until established; then in dry spells

What Light Does the Rakau Veronica Need?

Rakau Veronica thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Rakau Veronica Prefer?

Veronica rakaiensis tolerates temperatures of 50–75°F. Rakau Veronica prefers humidity levels of 40–60%.

Temperature

50–75°F

Humidity

40–60%

What Soil Mix Works Best for a Rakau Veronica?

Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Rakau Veronica to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Rakau Veronica?

Feed Rakau Veronica every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

Fertilizing

Every 6 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

Where Should You Plant a Rakau Veronica?

Choose a spot with full sun to partial shade and well-draining loamy soil with added compost for nutrients. Avoid low spots where water collects after rain.

Rakau Veronica is suited to USDA Zone 7a – 10b.

Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.

How Far Apart Should You Plant a Rakau Veronica?

Rakau Veronica can spread to about 1 ft (0.3 m) and reach about 1 ft (0 m) tall. Space plants about 1 ft (0.3 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the plant spacing calculator.

How Do You Prune a Rakau Veronica?

Prune Rakau Veronica while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.

How Do You Care for a Rakau Veronica in Winter?

Rakau Veronica is hardy down to USDA zone 7a, so once established it can stay outdoors through winter in that zone and warmer ones.

Water deeply in late autumn before the ground freezes, and spread a 5–8 cm (2–3 in) layer of mulch over the root zone, keeping it away from the trunk.

Young and container-grown shrubs need extra protection: roots in a pot freeze much more easily than roots in the ground.

How Do You Propagate a Rakau Veronica?

Rakau Veronica can be propagated through seeds, division of clumps. Similar propagation techniques also apply to field speedwell plant care, which shares the same genus.

Is the Rakau Veronica Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Rakau Veronica, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Rakau Veronica?

Rakau Veronica is susceptible to aphids, slugs, snails. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Rakau Veronica Need?

Rakau Veronica grows outdoors in USDA Zone 7a – 10b. It survives winters down to planting zone 7a. Rakau Veronica is native to the South Island of New Zealand.

Hardiness Zone

Zone 7a – 10b

Keep exploring plants

Rakau Veronica is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Veronica genus — compare its care with other Veronica species on PlantoScan.

Veronica is part of the Plantaginaceae plant family — browse all Plantaginaceae genera and species.

Rakau Veronica thrives in bright light and direct sun — see other bright-light plants.

More Veronica Species

Other Veronica species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Veronica rakaiensis J.B.Armstr., family Plantaginaceae (first published in Trans. & Proc. New Zealand Inst. 13: 351 (1881)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Rakau Veronica, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Photo: John Barkla, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 7a – 10b, estimated from the plant's typical growing conditions.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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