Aniseed Boronia Plant Care
Boronia anethifolia A.Cunn. ex Endl.
Updated · Sources · How we source care data
Cyanothamnus quadrangulus, commonly known as narrow-leaved boronia, is a plant in the citrus family, Rutaceae and is endemic to eastern Australia. It is an erect shrub with four-angled branches, bipinnate leaves and white, sometimes pale pink, four-petalled flowers.
Every 7–14 days
Full sun to partial shade
50–80°F
40–60%
At a glance
How do you care for Aniseed Boronia?
Plant Aniseed 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 Aniseed Boronia Native To?
What Is the Aniseed Boronia?
Aniseed Boronia (Boronia anethifolia) belongs to the Rutaceae family within the Boronia genus. Aniseed Boronia is native to eastern Australia.
Aniseed Boronia displays a compact, bushy shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Aniseed Boronia produces fragrant clusters of pink, white, or purple flowers.
Leaf size: approximately 2 inches.
How Often Should You Water a Aniseed Boronia?
Water a young or newly planted Aniseed 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 Aniseed Boronia Need?
Aniseed Boronia thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Aniseed Boronia Prefer?
Boronia anethifolia tolerates temperatures of 50–80°F. Aniseed Boronia prefers humidity levels of 40–60%.
Temperature
50–80°F
Humidity
40–60%
What Soil Mix Works Best for a Aniseed Boronia?
Well-draining, slightly acidic soil with added organic matter like compost or peat moss. Good drainage is essential for Aniseed Boronia to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Aniseed Boronia?
Feed Aniseed 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 Aniseed 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.
Aniseed 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 Aniseed Boronia?
Aniseed 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 Aniseed Boronia?
Prune Aniseed 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 Aniseed Boronia in Winter?
Aniseed 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 Aniseed Boronia?
Aniseed 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 Aniseed Boronia Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Aniseed 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 Aniseed Boronia?
Aniseed 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 Aniseed Boronia Need?
Aniseed Boronia grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Aniseed Boronia is native to eastern Australia. In cooler regions, grow Aniseed Boronia as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Aniseed 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.
Aniseed 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 anethifolia A.Cunn. ex Endl., family Rutaceae (first published in Enum. Pl. Hügel : 16 (1837)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Aniseed 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.
