Hoya subcalva Burkill

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 Flower.  Click for enlargement

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Text Care Details Facts Extra  none

Also sold as Hoya BSI-1 and sometimes BS-1.

The large, dark green, and glabrous leaves makes a stunning foliage that shines in sunlight (providing you shower the plant every now and then and not let it get covered in dust, like I do). Needs large trellis as the plant is heavy and requires good support to climb on. The stems soon become hard and they break easily when "woody". Make sure the branches are around the trellis as it soon gets tangled in neighbouring plants.

May need some time to mature and flower but once it does the show is spectacular. The flowers are large and should be bubblegum pink, however my specimen has flowered in colors varying from yellow to apricot, striped and solid pink. The color variations might be caused by an inbalance in the soil.

This is a sunloving plant but the leaves might burn if exposed to direct sunligt. Water regularly. When I kept this one on the dry side it attracted every bug possible, but once I started keeping it slightly moist and fertilize more often it has been healthier than anything.

Subspecies or variations:
Information and photos of variations in Hoya subcalva in my collectionInformation and photos of various Hoya subcalva in my collection
Light, but no sunlight

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


Should not be allowed to go dry. Keep slightly moist at all times.


Temperate species. Should not be exposed to draught or temperatures below 17°C. Grows best in an average temperature of 30°C.

Flower size:

Leaf size:




Origin: Papua Nya Guinea

Author: Burkill

Publication: Kew Bull. 1901, 141.

Herbarium: K000278010

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