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Hoya nummularioides is a charming, small-leaved tropical species treasured for its dainty trailing vines and clusters of delightfully fragrant, star-shaped flowers. A member of the Apocynaceae family and native to Southeast Asia, this Hoya combines the best of both worlds compact, manageable growth and prolific, sweetly scented blooms.
Its rounded, coin-like leaves (hence the name nummularioides, meaning coin-shaped) are thick, fleshy, and slightly fuzzy to the touch. They grow densely along slender, trailing stems that can cascade elegantly from hanging planters or climb if given support. When in bloom, Hoya nummularioides produces umbels of small, waxy, white to creamy-yellow flowers with bright pink centres each cluster releasing a rich, honey-like fragrance, especially in the evenings.
Delicate, aromatic, and endlessly rewarding, Hoya nummularioides is perfect for collectors or anyone seeking a compact, easy-care Hoya that offers both texture and charm.
Thrives in bright, indirect light. It will flower most abundantly with several hours of soft morning or late-afternoon sun. Too much harsh, direct sunlight can scorch the leaves, while low light may slow growth and reduce blooming. East- or west-facing windows are ideal.
Allow the top 35 cm of soil to dry between waterings. Water thoroughly, then let excess drain away Hoyas prefer to dry out slightly between drinks. During winter, water sparingly. Overwatering is the most common cause of problems, so always err on the side of underwatering.
Temperature: Prefers warmth between 1828 C and should be protected from cold drafts or temperatures below 15 C.
Humidity: Average to high humidity (5070%) supports healthy growth and flowering. It tolerates standard indoor humidity but benefits from occasional misting or placement near a humidifier.
Use a well-draining, airy mix, such as a blend of orchid bark, perlite, coco coir, and a small amount of compost. This mimics its natural epiphytic environment, allowing roots to breathe. Hoyas like to be slightly root-bound, so repot only every 23 years, ideally in spring.
Feed every 46 weeks in spring and summer with a diluted, balanced fertiliser or a bloom-boosting formula high in potassium. Avoid overfeeding, which can damage the roots. Suspend fertilising during the cooler months when growth slows.
Trim long or tangled vines to maintain shape and encourage branching. Avoid removing the short flower spurs (peduncles), as Hoya nummularioides will rebloom from the same points each year. Wipe leaves gently with a soft, damp cloth to remove dust.
A moderately fast grower, Hoya nummularioides can reach around 1 m in trailing length indoors. It remains compact and bushy, making it ideal for hanging planters or small spaces. With consistent care, mature plants can bloom several times a year.
Yellow leaves: Overwatering or poor drainage.
Wrinkled leaves: Underwatering or very low humidity.
No flowers: Insufficient light or too frequent repotting.
Pests: Occasionally affected by mealybugs or spider mites treat promptly with neem oil or insecticidal soap.
Native to the tropical forests of Southeast Asia, Hoya nummularioides grows epiphytically on trees, enjoying bright filtered light and free airflow around its roots. It is one of the easiest Hoyas to flower indoors and is beloved for its compact growth and strong, sweet fragrance.
Beyond its ornamental appeal, this species symbolises friendship and harmony and as with many Hoyas, it contributes to cleaner indoor air by passively filtering pollutants.
Light: Bright, indirect light; some gentle sun
Water: Let top few cm of soil dry between waterings
Temperature: 1828 C; avoid below 15 C
Humidity: Average to high (5070%)
Soil: Airy, well-draining mix orchid bark, perlite, coco coir
Feed: Every 46 weeks in spring/summer
Growth: 50100 cm trailing vine; coin-shaped green leaves and fragrant white flowers
Toxicity note: Mildly toxic if ingested; keep away from pets and children.
Display Hoya nummularioides in a hanging pot, macram hanger, or on a high shelf where its cascading vines can drape freely. For a neat, bushy look, regularly pinch growing tips to encourage branching. Its petite size and delicate flowers make it perfect for kitchens, bathrooms, or bright living spaces. Pair it with contrasting Hoyas like Hoya wayetii Variegata or Hoya linearis for a layered, textural display that celebrates variety and natural elegance.