This is a very beautiful species however slowgrowing. Bought as Hoya meredithii GPS 3576.
The leaves of Hoya callistophylla are approx 15cm long and 7,5cm wide, light green in color with dark green veins.
Flowers are small, about 7mm in diameter, 15-20 in a 2" umbel. Petals are yellow-brown, corona white with a yellow crown. Hoya callistophylla has a rather foul odour that is fortunately very faint.
Grow in a light place that is protected from burning sunlight. Water and fertilize regularly. Does not like to run dry.
Likes light but should not be exposed to sunlight. A protected window facing west is good.
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: 7mm
Leaf size: 7,5cm × 15cm
Publication: Fraterna 13(4): 2 (2000)