Hoya Australis Plant Care
Hoya australis R.Br. ex J.Traill
Hoya australis, commonly known as waxflower or common hoya, is a species of flowering plant in the Apocynaceae or dogbane family and is native to northern and eastern Australia, Papuasia and Melanesia. It is a succulent vine or subshrub with fleshy or leathery, elliptic, oblong, egg-shaped or more or less round leaves, racemes of fleshy, cream-coloured and red flowers, and spindle-shaped follicles.
Every 7â14 days
Bright indirect light
60â80°F
50â70%
What Is the Hoya Australis?
Hoya Australis (Hoya australis) belongs to the Apocynaceae family within the Hoya genus. Hoya Australis is native to northern and eastern Australia, Papuasia and Melanesia. Hoya Australis is also known as Wax Plant.
Hoya Australis displays a vining, trailing growth habit, reaching up to 3 inches tall with a spread of approximately 2 inches. Hoya Australis produces waxy star-shaped clusters of flowers in various colors like pink, red, white, and yellow.
Leaf size: approximately 4 inches.
How Often Should You Water a Hoya Australis?
Hoya australis requires watering every 7â14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7â14 days
Let soil partially dry between waterings
What Light Does the Hoya Australis Need?
Hoya Australis thrives in bright indirect light light conditions. The optimal light range is 150â400 lux. Avoid placing Hoya Australis in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
150â400 lux
What Temperature and Humidity Does the Hoya Australis Prefer?
Hoya australis grows best at temperatures between 60°F and 80°F. Hoya Australis prefers humidity levels of 50â70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60â80°F
Humidity
50â70%
What Soil Mix Works Best for a Hoya Australis?
Well-draining, aerated soil mix with high organic content like orchid bark, perlite, and peat moss. Good drainage is essential for Hoya Australis to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Hoya Australis?
Repot every 1-2 years in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Hoya Australis?
Hoya Australis can be propagated through stem cuttings, leaf cuttings, layering. Similar propagation techniques also apply to hoya bella plant care, which shares the same genus.
Fertilizing
Every 4 months
During the growing season
Is the Hoya Australis Toxic to Pets and Children?
Non-Toxic
Non-toxic to humans and pets
What Pests and Diseases Affect the Hoya Australis?
Hoya Australis is susceptible to mealybugs, spider mites, aphids. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
What USDA Hardiness Zone Does the Hoya Australis Need?
Hoya Australis grows outdoors in USDA Zone 10b â 12b. Native to northern and eastern Australia, Papuasia and Melanesia, Hoya Australis is adapted to warm climates. In cooler regions, grow Hoya Australis as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10b â 12b
Keep exploring plants
Hoya Australis 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 Hoya genus â compare its care with other Hoya species on PlantoScan.
Hoya Australis thrives in bright light and direct sun â see other bright-light plants.
More Hoya Species
Other Hoya species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
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