Hoya cinnamomifolia – Info and Complete Care Guide
Hoya cinnamomifolia Hooker is a standout species from Southeast Asia, loved for its sculptural leaves and dramatic floral display. This vigorous epiphyte features thick, dark green leaves with five prominent, parallel veins and slightly recurved margins, giving them a defined, cinnamon-like appearance. When mature, it produces clusters of lime-yellow flowers with recurved corolla lobes and striking red to purple corona tips, offering a bold visual contrast and a strong, sweet fragrance.


Key Traits That Define Hoya cinnamomifolia


 
Foliage: Broad, textured leaves (up to 6 – 7 cm wide) with parallel venation and curled edges that resemble cinnamon leaves.
 
Blooms: Lime-yellow, star-shaped flowers with backward-bending petals and maroon to purple corona tips. Each bloom lasts up to 10 days and has a pronounced fragrance.
 
Growth Habit: Fast-growing, twining vines that climb or trail when supported.


Origin and Natural Growth Conditions


 
Native Habitat: Tropical forests in Southeast Asia, growing epiphytically in filtered light and high humidity.
 
Indoor Growth: Performs well as a houseplant in bright, warm, and humid indoor spaces.
 
Size: Vines can reach several meters with support. Leaves grow large, giving it a bold presence.


How to Care for Hoya cinnamomifolia Indoors


 
Light: Bright, indirect light is best. Some morning or late-afternoon sun encourages flowering. Avoid harsh midday sun.
 
Water: Water when the top 2 – 3 cm of substrate is dry. Use well-draining mix to prevent root rot. Reduce watering slightly during cooler months.
 
Humidity: Ideal range is 60 – 80%. Supplement with a humidifier or tray if needed.
 
Temperature: Keep between 18 – 26°C. Avoid drafts and cold windows.
 
Soil: Use a mix of orchid bark, perlite, and coco coir for excellent drainage and airflow.
 
Fertilizing: Apply a diluted, balanced liquid fertilizer every 4 – 6 weeks year-round. No seasonal break is needed.
 
Repotting: Repot every 1 – 2 years or when root-bound. Choose shallow pots with drainage.
 
Support: Train vines on trellises or moss poles to manage growth and highlight flowers.
 
Cleaning: Wipe leaves occasionally to remove dust and support photosynthesis.


Propagation Tips


 
Use 1 – 2 node stem cuttings.
 
Root in water, moist sphagnum, or semi-hydro setups like LECA.
 
Roots form in 3 – 5 weeks with warm temps and steady humidity.


Common Problems and Their Fixes


 
Root Rot: Caused by overwatering or poor drainage. Always use airy substrate and allow soil to dry.
 
Leaf Yellowing: Often from excess moisture or nutrient issues. Adjust watering and fertilization.
 
Pests: Watch for spider mites, mealybugs, and scale. Treat early with neem oil or insecticidal soap.
 
No Flowers: Ensure bright light, keep slightly root-bound, and don’t cut peduncles — flowers regrow from old stalks.


Extra Notes for a Thriving Plant


 
Give it vertical space — this Hoya climbs vigorously when supported.
 
Acclimate slowly after repotting or receiving cuttings.
 
Don’t expect blooms too early — it often flowers only once well-established (1 – 2 years after rooting).


Botanical Background and Etymology


 
Genus: Named after Thomas Hoy (c. 1750 – 1822), an English botanist.
 
Species: "Cinnamomifolia" means "cinnamon-leaved," referring to the distinctive leaf shape and venation.


Frequently Asked Questions


 
Is Hoya cinnamomifolia fragrant? Yes — the blooms have a strong, sweet scent, especially at night.
 
Why are my leaves turning red? This may be from sun stress. Reduce direct exposure slightly.
 
How long do the flowers last? Each bloom cluster can last up to 10 days in good conditions.
Ready to grow a statement Hoya? Order your Hoya cinnamomifolia today and bring bold, tropical texture into your home.