Hoya sp. Gayo

Origin and identity of Hoya sp. Gayo

Hoya sp. Gayo comes from the Gayo Highlands of Aceh in northern Sumatra. Its species identity and exact collection locality within the highlands are still uncertain.

Care for Hoya sp. Gayo

For propagation, take a healthy cutting that contains at least one node; warmth supports rooting while it establishes.

Keep it in bright indirect light, with protection from intense direct sun. The cream and silver areas are genetically patterned and can scorch readily in strong sun.

Hold the plant around 16–24 °C, moving it to warmth before conditions remain under 10 °C. Use a humidity range near 50–60%.

Check moisture beneath the surface and water after the pot becomes noticeably lighter. Wet the root ball evenly, then let the coarse mix drain completely.

Use coarse bark with porous mineral material to keep air around the roots and the moisture even. A slightly larger container is appropriate once roots are crowded and the pot begins to dry unevenly.

Use a light balanced houseplant or orchid feed while new stems and leaves are developing, then reduce feeding as growth slows.

Secure young runners before the broad leaves add weight. Retain healthy branches and old flower spurs. If a vigorous all-green shoot begins to dominate, remove it at its point of origin.

Root, stem and leaf problems in Hoya sp. Gayo

Cream areas become dry and tan

Pale tissue marks readily after concentrated sun or a severe dry interval. Soften the light and check root-ball moisture before the next patterned leaf expands.

An all-green branch grows faster

Follow the vigorous shoot back to the node where it began and remove it there if it starts overtaking the patterned stems.

Foliage wilts above wet substrate

Do not add more water. Open the root ball promptly and remove any decayed roots before repotting into a coarse, freely draining mix.

Hoya sp. Gayo is non-toxic to people and pets

• This plant is non-toxic to people, cats and dogs.
• Chewing a large amount can still cause an upset stomach.
• If a large amount is eaten and symptoms continue, contact a veterinarian or medical professional.

Hoya: where the name comes from

Hoya honours the English gardener Thomas Hoy.

Robert Brown established the genus Hoya in 1810 in Prodromus Florae Novae Hollandiae, page 459.