Photo: Samuel LeeCC BY 4.0via iNaturalistresized / cropped
Hoya Pubicalyx Plant Care
Hoya pubicalyx Merr.
Updated · Sources · How we source care data
Hoya pubicalyx is a species of flowering plant in the genus Hoya native to the Philippines.
Every 7–14 days
Bright indirect light
60–80°F
50–70%
At a glance
How do you care for Hoya Pubicalyx?
Water Hoya Pubicalyx every 7–14 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 60–80°F (16–27°C) and 50–70% humidity. Fertilize it every 4 months during the growing season. The ASPCA lists it as non-toxic to cats and dogs.
Where Is the Hoya Pubicalyx Native To?
What Is the Hoya Pubicalyx?
Hoya Pubicalyx (Hoya pubicalyx) belongs to the Apocynaceae family within the Hoya genus. Hoya Pubicalyx is native to the Philippines. Hoya Pubicalyx is also known as Hoya, Wax Plant.
Hoya Pubicalyx displays a vining, trailing growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Hoya Pubicalyx 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 Pubicalyx?
Hoya pubicalyx requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the Hoya Pubicalyx Need?
Hoya Pubicalyx thrives in bright indirect light. Avoid placing Hoya Pubicalyx in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Hoya Pubicalyx Prefer?
Hoya pubicalyx grows best at temperatures of 60–80°F. Hoya Pubicalyx prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–80°F
Humidity
50–70%
What Soil Mix Works Best for a Hoya Pubicalyx?
Well-draining, aerated soil mix with high organic content like orchid bark, perlite, and peat moss. Good drainage is essential for Hoya Pubicalyx to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Hoya Pubicalyx?
Feed Hoya Pubicalyx every 4 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 4 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Hoya Pubicalyx?
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 Pubicalyx?
Hoya Pubicalyx can be propagated through stem cuttings, leaf cuttings, layering. Similar propagation techniques also apply to wax plant plant care, which shares the same genus.
Is the Hoya Pubicalyx Toxic to Pets and Children?
Non-toxic to cats and dogs
Source: ASPCA Animal Poison Control Center plant list. View the ASPCA entry
Non-toxic to humans and pets
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 Hoya Pubicalyx?
Hoya Pubicalyx 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.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Hoya Pubicalyx Need?
Hoya Pubicalyx grows outdoors in USDA Zone 11a – 12b. It survives winters down to planting zone 11a. Hoya Pubicalyx is native to the Philippines. In cooler regions, grow Hoya Pubicalyx as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 11a – 12b
Keep exploring plants
Hoya Pubicalyx 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 — compare its care with other Hoya species on PlantoScan.
Hoya is part of the Apocynaceae plant family — browse all Apocynaceae genera and species.
Hoya Pubicalyx thrives in bright light and direct sun — see other bright-light plants.
More Hoya Species
Other Hoya species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Hoya pubicalyx Merr., family Apocynaceae (first published in Philipp. J. Sci., C 13: 331 (1918)) — World Flora Online record, IPNI name record, Wikidata.
- Pet toxicity: The ASPCA lists Hoya Pubicalyx as non-toxic to cats and dogs. Source: ASPCA Toxic and Non-Toxic Plant List.
- Photo: Samuel Lee, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 11a – 12b, estimated from the plant's typical growing conditions.
- 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.
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