Hoya kastbergii Klopp.

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 Umbel.  Click for enlargement

 Flower.  Click for enlargement

 Plant.  Click for enlargement

 Leaves.  Click for enlargement

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Was Hoya VL1. It was after it's Swedish collector, Arne Kastberg, but I'm unsure if the name is actually valid. I have heard of flaws in the publication which would make the name invalid. I haven't read the publication myself so the name stays until futher notice.

Hoya kastbergii has round, succulent leaves, light green in color. Grows straight up and climbs so I believe it to do best on a trellis.

For me Hoya kastbergii has not been the easiest to grow and I've never seen its flowers more than in photos. Looks similar to Hoya diptera.

 Variations in Hoya
Light, but no sunlight

Likes light but should not be exposed to sunlight. A protected window facing west is good.

Slightly moist

Tolerates some drought but should not be allowed to run completely dry.


Intermediate species. Tolerates short exposure to temperatures no less than 10°C. Best grown in a regular room temperature of 20-25°C.

Flower size: ca 12 mm

Leaf size: 40-50mm × 40-50mm

Growth: Upright/climbing



Origin: Borneo

Author: Klopp.

Publication: Fraterna 16(4): 1 (-5; figs.). 2003


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