Hoya glabra ‘Splash’

A silver-marked form of Hoya glabra

‘Splash’ is a cultivated silver-marked form of Hoya glabra. The species is a large wet-forest epiphyte native to Sumatra and northern to north-western Borneo.

Care for Hoya glabra ‘Splash’

• Support and leaf space: Give the vine a rigid structure before full-sized leaves develop. Keep leaf stalks free to orient themselves towards the light.
• Light around the foliage: Tie the runner so its growing point faces the brighter side of the trellis. Give opening leaves bright diffuse light; concentrated afternoon sun can leave permanent pale burns across the silvered surface.
• Watering: Water thoroughly after the upper section has dried well. The pot will need water less often when light levels or temperatures reduce growth.
• Potting mix: Use coarse bark and mineral particles with enough fine material to hold limited moisture around the roots. Choose an airy substrate that resists compaction with modest moisture retention.
• Large splashed leaves: Silver coverage differs between blades and remains fixed after hardening. Support the vine early so soft leaves do not press against neighbouring pots.
• Temperature and airflow: Shield the broad silver-marked foliage from cold draughts and direct heat. A soft expanding blade is easily damaged against cold glass where condensation lingers.
• Feeding: Use a low-strength complete fertiliser while the broad leaves develop. Pause fertiliser while the container is cold or saturated.

Common issues with Hoya glabra ‘Splash’

• The pot smells sour and the large silver-marked leaves begin to softenLikely cause: The centre of the mix has collapsed and lost the air spaces roots need.What to do: Remove the pot and examine the roots without delay. Remove all decay, wash the pot and renew the collapsed substrate with a coarse free-draining blend.Urgent warning: If softness enters the vine, propagate a sound green node immediately.
• A dark handling mark appears across a silver patchLikely cause: The leaf surface was abraded while it was still soft.What to do: Keep a firm dry scuff in place and eliminate the object that caused it. Clear clips and neighbouring leaves from the area where the next blade will expand. Leave a stable surface abrasion alone and protect the next leaf from contact. Cut only if decay begins.
• A new silver-marked leaf remains narrow and undersizedLikely cause: A tie or adjacent leaf is pressing against the developing tip.What to do: Ease any restrictive tie and support the runner beneath the next node. Retain the sound green tip and remove only soft, dark or dead tissue.
• Brown tips and a pale mineral crust appear at the same timeLikely cause: Concentrated feed or repeated small doses left mineral residue around the roots.What to do: Leach the root zone with plain water and empty all runoff. Pause feeding for two waterings, then use a weaker solution once the plant is extending again.

Hoya glabra ‘Splash’ and pet safety

Hoya glabra ‘Splash’ is treated as non-toxic to cats and dogs. Chewing leaves or stems can still cause temporary drooling, vomiting or diarrhoea. Keep the plant out of reach of pets that chew foliage, and contact a veterinarian if symptoms are severe or persistent.

Smooth leaves with silver splash

Glabra means smooth or hairless, and ‘Splash’ refers to the irregular silver markings across the leaf.