Hypocalymma melaleucoides Plant Care
Hypocalymma melaleucoides Gardner ex Strid & Keighery
Updated · Sources · How we source care data
Hypocalymma melaleucoides, commonly known as Fitzgerald myrtle, is a member of the family Myrtaceae and is endemic to the Fitzgerald River National Park in the south of Western Australia. It is a spreading shrub with linear leaves that are round in cross-section, and bright pink flowers, with 35 to 55 stamens in several rows.
Every 7–10 days
Bright indirect light
60–75°F
50–70%
At a glance
How do you care for Hypocalymma melaleucoides?
Plant Hypocalymma melaleucoides in bright indirect light (USDA zones 13a) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 60–75°F (16–24°C). Fertilize it every 6 months during the growing season.
Where Is the Hypocalymma melaleucoides Native To?
What Is the Hypocalymma melaleucoides?
Hypocalymma melaleucoides (Hypocalymma melaleucoides) belongs to the Myrtaceae family within the Hypocalymma genus. Hypocalymma melaleucoides is native to the Fitzgerald River National Park in the south of Western Australia.
Hypocalymma melaleucoides displays a compact shrub with dense foliage growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Hypocalymma melaleucoides produces small clusters of white or pink flowers.
Leaf size: approximately 4 inches.
How Often Should You Water a Hypocalymma melaleucoides?
Water a young or newly planted Hypocalymma melaleucoides 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 Hypocalymma melaleucoides Need?
Hypocalymma melaleucoides thrives in bright indirect light. Avoid placing Hypocalymma melaleucoides in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Hypocalymma melaleucoides Prefer?
Hypocalymma melaleucoides tolerates temperatures of 60–75°F. Hypocalymma melaleucoides prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–75°F
Humidity
50–70%
What Soil Mix Works Best for a Hypocalymma melaleucoides?
Well-draining acidic soil mix with added organic matter like peat moss. Good drainage is essential for Hypocalymma melaleucoides to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Hypocalymma melaleucoides?
Feed Hypocalymma melaleucoides 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 Hypocalymma melaleucoides?
Choose a spot with bright indirect light and well-draining acidic soil mix with added organic matter like peat moss. Avoid low spots where water collects after rain.
Hypocalymma melaleucoides is suited to USDA Zone 13a.
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 Hypocalymma melaleucoides?
Hypocalymma melaleucoides 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 Hypocalymma melaleucoides?
Prune Hypocalymma melaleucoides 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 Hypocalymma melaleucoides in Winter?
Hypocalymma melaleucoides is frost-tender (hardy to USDA zone 13). 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 Hypocalymma melaleucoides?
Hypocalymma melaleucoides can be propagated through softwood cuttings, seeds. Similar propagation techniques also apply to white myrtle plant care, which shares the same genus.
Is the Hypocalymma melaleucoides Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Hypocalymma melaleucoides, 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 Hypocalymma melaleucoides?
Hypocalymma melaleucoides 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 Hypocalymma melaleucoides Need?
Hypocalymma melaleucoides grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Hypocalymma melaleucoides is native to the Fitzgerald River National Park in the south of Western Australia. In cooler regions, grow Hypocalymma melaleucoides as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Hypocalymma melaleucoides 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 Hypocalymma genus — compare its care with other Hypocalymma species on PlantoScan.
Hypocalymma is part of the Myrtaceae plant family — browse all Myrtaceae genera and species.
Hypocalymma melaleucoides thrives in bright light and direct sun — see other bright-light plants.
More Hypocalymma Species
Other Hypocalymma species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Hypocalymma melaleucoides Gardner ex Strid & Keighery, family Myrtaceae (first published in Nordic J. Bot. 22: 564 (2002 publ. 2003)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Hypocalymma melaleucoides, 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 13a, 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.
