Big Flower Hoya Plant Care
Hoya megalaster Warb. ex K.Schum. & Lauterb.
Updated · Sources · How we source care data
Hoya megalaster is a species in the genus Hoya. It was discovered in Papua New Guinea in the late 19th century.
Every 7–14 days
Bright indirect light
60–80°F
50–70%
At a glance
How do you care for Big Flower Hoya?
Water Big Flower Hoya 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.
What Is the Big Flower Hoya?
Big Flower Hoya (Hoya megalaster) belongs to the Apocynaceae family within the Hoya genus.
Big Flower Hoya displays a vining, trailing growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Big Flower Hoya 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 Big Flower Hoya?
Hoya megalaster 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 Big Flower Hoya Need?
Big Flower Hoya thrives in bright indirect light. Avoid placing Big Flower Hoya in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Big Flower Hoya Prefer?
Hoya megalaster grows best at temperatures of 60–80°F. Big Flower Hoya 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 Big Flower Hoya?
Well-draining, aerated soil mix with high organic content like orchid bark, perlite, and peat moss. Good drainage is essential for Big Flower Hoya to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Big Flower Hoya?
Feed Big Flower Hoya 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 Big Flower Hoya?
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 Big Flower Hoya?
Big Flower Hoya 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 Big Flower Hoya Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Big Flower Hoya, 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 Big Flower Hoya?
Big Flower Hoya 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 Big Flower Hoya Need?
Big Flower Hoya grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Big Flower Hoya as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Big Flower Hoya 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.
Big Flower Hoya 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 megalaster Warb. ex K.Schum. & Lauterb., family Apocynaceae (first published in Fl. Schutzgeb. Südsee : 513 (1900)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Big Flower Hoya, 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.
Identify Plants Like the
Big Flower Hoya Instantly
Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species