Flexuosa Boronia Plant Care

Boronia inflexa Duretto

Updated · Sources · How we source care data

Cyanothamnus inflexus is a plant in the citrus family Rutaceae and is endemic to tablelands near the New South Wales - Queensland border in Australia. It is an erect, woody shrub with pinnate leaves and up to seven white to pink four-petalled flowers in the leaf axils.

🌳Trees🌿Shrubs🍎Fruit & Berries
Water

Every 7–14 days

Light

Full sun to partial shade

Temp

50–80°F

Humidity

40–60%

At a glance

How do you care for Flexuosa Boronia?

Plant Flexuosa Boronia in full sun to partial shade (USDA zones 12a) and water a young shrub every 7–14 days until it is established. It tolerates temperatures of 50–80°F (10–27°C). Fertilize it every 6 months during the growing season.

Where Is the Flexuosa Boronia Native To?

Native range1 country

What Is the Flexuosa Boronia?

Flexuosa Boronia (Boronia inflexa) belongs to the Rutaceae family within the Boronia genus. Flexuosa Boronia is native to tablelands near the New South Wales - Queensland border in Australia. Flexuosa Boronia is also known as Prickly Boronia.

Flexuosa Boronia displays a compact, bushy shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Flexuosa Boronia produces fragrant clusters of pink, white, or purple flowers.

Leaf size: approximately 2 inches.

How Often Should You Water a Flexuosa Boronia?

Water a young or newly planted Flexuosa Boronia every 7–14 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 7–14 days

Until established; then in dry spells

What Light Does the Flexuosa Boronia Need?

Flexuosa Boronia thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Flexuosa Boronia Prefer?

Boronia inflexa tolerates temperatures of 50–80°F. Flexuosa Boronia prefers humidity levels of 40–60%.

Temperature

50–80°F

Humidity

40–60%

What Soil Mix Works Best for a Flexuosa Boronia?

Well-draining, slightly acidic soil with added organic matter like compost or peat moss. Good drainage is essential for Flexuosa Boronia to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Flexuosa Boronia?

Feed Flexuosa Boronia 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 Flexuosa Boronia?

Choose a spot with full sun to partial shade and well-draining, slightly acidic soil with added organic matter like compost or peat moss. Avoid low spots where water collects after rain.

Flexuosa Boronia is suited to USDA Zone 12a.

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 Flexuosa Boronia?

Flexuosa Boronia can spread to about 2 ft (0.6 m) and reach about 3 ft (1 m) tall. Space plants about 2 ft (0.6 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 Flexuosa Boronia?

Prune Flexuosa Boronia 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 Flexuosa Boronia in Winter?

Flexuosa Boronia is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

How Do You Propagate a Flexuosa Boronia?

Flexuosa Boronia can be propagated through softwood cuttings, seeds. Similar propagation techniques also apply to boronia acanthoclada plant care, which shares the same genus.

Is the Flexuosa Boronia Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Flexuosa Boronia, 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 Flexuosa Boronia?

Flexuosa Boronia is susceptible to aphids, scale insects, spider mites. 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 Flexuosa Boronia Need?

Flexuosa Boronia grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Flexuosa Boronia is native to tablelands near the New South Wales - Queensland border in Australia. In cooler regions, grow Flexuosa Boronia as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Flexuosa Boronia 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 Boronia genus — compare its care with other Boronia species on PlantoScan.

Boronia is part of the Rutaceae plant family — browse all Rutaceae genera and species.

Flexuosa Boronia thrives in bright light and direct sun — see other bright-light plants.

More Boronia Species

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

Sources

  • Scientific name & taxonomy: Boronia inflexa Duretto, family Rutaceae (first published in Muelleria 17: 40 (2003)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Flexuosa Boronia, 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.
  • Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
  • 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.

PlantoScan app icon

Identify Plants Like the
Flexuosa Boronia Instantly

Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.

Download on the App StoreGet it on Google Play

Free

to download

iOS & Android

platforms

Light & dark

mode

100,000+

species