Relative Honey Myrtle Plant Care
Melaleuca relativa Craven & R.D.Edwards
Updated · Sources · How we source care data
Calothamnus affinis is a plant in the myrtle family (Myrtaceae), endemic to the south-west of Western Australia. It is an erect, compact, or spreading shrub that produces red to purple flowers in spring.
Every 7–14 days
Full sun
50–85°F
40–70%
At a glance
How do you care for Relative Honey Myrtle?
Plant Relative Honey Myrtle in full sun (USDA zones 12a) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 50–85°F (10–29°C). Fertilize it every 6 months during the growing season.
Where Is the Relative Honey Myrtle Native To?
What Is the Relative Honey Myrtle?
Relative Honey Myrtle (Melaleuca relativa) belongs to the Myrtaceae family within the Melaleuca genus. Relative Honey Myrtle is native to the south-west of Western Australia.
Relative Honey Myrtle displays a tall, upright tree growth habit, reaching up to 20 ft tall with a spread of approximately 10 ft. Relative Honey Myrtle produces fluffy, bottlebrush-like spikes in white, cream, pink, or red.
Leaf size: approximately 4 inches.
How Often Should You Water a Relative Honey Myrtle?
Water a young or newly planted Relative Honey Myrtle every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees 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 Relative Honey Myrtle Need?
Relative Honey Myrtle thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Relative Honey Myrtle Prefer?
Melaleuca relativa tolerates temperatures of 50–85°F. Relative Honey Myrtle prefers humidity levels of 40–70%.
Temperature
50–85°F
Humidity
40–70%
What Soil Mix Works Best for a Relative Honey Myrtle?
Well-draining sandy soil mix with added organic matter like compost. Good drainage is essential for Relative Honey Myrtle to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Relative Honey Myrtle?
Feed Relative Honey Myrtle every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees 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 Relative Honey Myrtle?
Choose a spot with full sun and well-draining sandy soil mix with added organic matter like compost. Avoid low spots where water collects after rain.
Relative Honey Myrtle is suited to USDA Zone 12a.
Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Relative Honey Myrtle?
Relative Honey Myrtle can spread to about 10 ft (3 m) and reach about 20 ft (6 m) tall. Space plants about 10 ft (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 tree spacing calculator.
How Do You Prune a Relative Honey Myrtle?
Prune Relative Honey Myrtle 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 tree in one year.
How Do You Care for a Relative Honey Myrtle in Winter?
Relative Honey Myrtle 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 Relative Honey Myrtle?
Relative Honey Myrtle can be propagated through seeds, cuttings. Similar propagation techniques also apply to showy honey myrtle plant care, which shares the same genus.
Is the Relative Honey Myrtle Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Relative Honey Myrtle, 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 Relative Honey Myrtle?
Relative Honey Myrtle is susceptible to aphids, scale insects, leaf-eating caterpillars. 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 Relative Honey Myrtle Need?
Relative Honey Myrtle grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Relative Honey Myrtle is native to the south-west of Western Australia. In cooler regions, grow Relative Honey Myrtle as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Relative Honey Myrtle 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 Melaleuca genus — compare its care with other Melaleuca species on PlantoScan.
Melaleuca is part of the Myrtaceae plant family — browse all Myrtaceae genera and species.
Relative Honey Myrtle thrives in bright light and direct sun — see other bright-light plants.
More Melaleuca Species
Other Melaleuca species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Melaleuca relativa Craven & R.D.Edwards, family Myrtaceae (first published in Taxon 63: 667 (2014)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Relative Honey Myrtle, 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.
