Hoya retusa
Hoya retusa
Retusa
About this plant
Hoya retusa is a trailing or climbing plant known for its slender, grass-like leaves and clusters of star-shaped, fragrant flowers. It is a popular houseplant due to its attractive foliage and sweet-smelling blooms. This plant is often grown in hanging baskets or trained on supports indoors.
Taxonomy
- Genus
- Hoya
- Family
- Apocynaceae
- Higher classification
- Order Gentianales
- Plant type
- Houseplant
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Southeast Asia
- Distribution
- Widely cultivated as a houseplant worldwide; native to parts of Southeast Asia.
Care
- Light preference
- Bright indirect
- Suitable locations
- Indoor, Balcony, Greenhouse
- Preferred window facing
- East-facing, South-facing, West-facing
- Watering frequency
- Moderate
- Watering interval
- 7–14 days
- Humidity
- Normal
- Minimum
- 10 °C
- Maximum
- 30 °C
- Optimal
- 18–26 °C
- USDA hardiness zones
- 10–12
- Soil pH
- 6.0–7.5
- Soil type
- well-draining potting mix, such as a mix for epiphytic plants or orchids
Watering. Water when the top inch of soil feels dry. Avoid letting the plant sit in water to prevent root rot. Reduce watering in cooler months.
Fertilizing. Feed with a balanced, water-soluble fertilizer every 4-6 weeks during spring and summer. Reduce feeding in fall and winter when growth slows.
Hoya retusa is a relatively easy plant to care for. It prefers bright, indirect light and well-draining soil. Overwatering can cause root rot, so allow the soil to dry out between waterings. It benefits from occasional feeding during the growing season and appreciates moderate humidity.
Propagation
- Propagation methods
- Cuttings
- Care difficulty
- Medium
Ornamental features
- Flowering
- Yes
- Flowering period
- spring–summer
Slender, grass-like leaves and clusters of small, star-shaped, fragrant flowers.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets, making it safe for homes with children and animals.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Sap or latex, Skin contact
- Pollen level
- Low
Hoya retusa is generally safe and unlikely to cause allergies. However, some people sensitive to plant sap may experience mild skin irritation if they touch the plant's sap. To reduce any risk, avoid direct contact with the sap and wash hands if you do touch it.
Common problems
Common problems include root rot from overwatering and leaf yellowing if light is too low. Pests like mealybugs or spider mites may occasionally appear.
Uses
Primarily grown as an ornamental houseplant for its attractive foliage and fragrant flowers.
Notes
Prune occasionally to maintain shape and encourage bushier growth. Repot every 2-3 years or when root-bound. Sensitive to overwatering; ensure pots have drainage holes.