Hoya callistophylla 'Vena' – Bold Foliage with Tropical Character
Add bold tropical flair to your space with Hoya callistophylla 'Vena' – a slow-growing climbing Hoya with sculptural leaves and striking venation.
At a Glance

 
Origin: Borneo and Peninsular Malaysia
 
Botanical authority: Hoya callistophylla T.Green, Fraterna 13(4): 2 (2000)
 
Common form: 'Vena' or sp. Sekadau Borneo (unofficial trade name)

Why Grow Hoya callistophylla 'Vena'?

 
Iconic leaves: Leathery, matte green foliage with dark, almost black venation
 
Compact climber: Slow, manageable growth – ideal for moss poles and small trellises
 
Seasonal color: Occasional red blush on margins in high light

Essential Care Instructions

 
Light: Bright, indirect light brings out leaf contrast. Tolerates 1 – 2 hours of gentle morning sun. Protect from midday rays.
 
Watering: Water when the top 2 – 3 cm of soil is dry. Use filtered or rainwater. Reduce slightly in winter.
 
Humidity: Prefers 60 % or higher. Use trays or humidifiers in dry air.
 
Temperature: Keep between 18 – 26 °C. Avoid drafts and cold glass.
 
Substrate: Airy mix of orchid bark, perlite, coco chips, and cactus soil. Terracotta pots recommended.
 
Feeding: Monthly balanced liquid feed in active season. Skip or reduce in winter.
 
Repotting: Every 2 – 3 years or when rootbound. Use shallow, draining pots.
 
Support & Styling: Provide moss pole or hoop. Trails well but internodes may stretch without structure.

Propagation & Alternative Growing

 
Cuttings: Use 2 – 3 node cuttings. Root in water, moss, or LECA with humidity.
 
Semi-hydroponics: Thrives in LECA or Pon. Flush regularly and keep nutrients stable.

Common Problems (and Fixes)

 
Yellowing: Check for soggy roots or poor drainage.
 
Browning tips: Low humidity or salt buildup.
 
Drooping: Dry substrate or cold stress.
 
Pests: Spider mites, mealybugs – treat early with neem oil or insecticidal soap.

Extra Tips for Success

 
Never cut old peduncles – blooms return to the same spot.
 
Wipe dust from leaves regularly.
 
Acclimate slowly to brighter light.

Botanical Notes

 
Etymology: From Greek "kallos" (beautiful) + "phylla" (leaf).
 
Trade name: 'Vena' is an unofficial collector name for the Sekadau Borneo form.

FAQs

 
Will it flower indoors?
Yes, usually after 2 – 3 years in stable conditions. Flowers are yellow with red centers.
 
How fast does it grow?
Slow to moderate. New leaves harden off slowly.
 
How do I boost contrast?
Keep in consistent bright light and avoid overwatering.

Add Hoya callistophylla 'Vena' to your indoor jungle – a sculptural, slow-growing showstopper with leaves as bold as any bloom.