Hoya Curtisii Plant Facts

FamilyApocynaceae family
Botanical NameHoya Curtisii
Scientific NameHoya Curtisii King & Gamble
Plant Common NameFung Wax Flower, Porcelain Flower, Hoya Aloha, Tiny Leaf Porcelain Flower, Wax Flower
Light RequirementsHoya Curtisii prefers bright, filtered light.
Water RequirementsHoya Curtisii is almost entirely drought-tolerant, so water it in moderation. You want the topsoil to dry up completely before watering your Porcelain flower again.
Soil RequirementsAny standard potting soil or garden soil is fine. In particular, a soil for African violets is a nice option. The soil must be light and well-draining with a pretty neutral pH level.
Fertilizer RequirementsHoya Curtisii is a light feeder, so incorporate compost or organic fertilizer into the soil when planting it. Top dress with organic compost during early spring.
Temperature RequirementsThis plant can’t withstand temperatures lower than 40 degrees Fahrenheit and is best off if safeguarded from temperatures lower than 50 degrees Fahrenheit.
Humidity RequirementsBecause this plant is from Malaysia, Thailand, and the Philippines, it thrives better in humid conditions. Try to maintain the humidity level above 50%.
SizeHoya Curtisii normally grows to be two to three inches high and around one foot wide.
Foliage ColorThis plant may have heart-shaped or rounded leaves. They are small, thick, succulent, and olive green with a unique mottling of grey. 
Cold HardyIt prefers to grow under USDA hardiness 10 or above.
PropagationThrough stem cuttings or seed, propagated  in soil or water.
ToxicityHoyas, which include Hoya Curtisii, are often toxic in nature. Ingestion is a big no for both humans and pets. So it’s better to keep your Hoya Curtisii from your pets and children.
Pot RequirementsHoya Curtisii looks great in a hanging container, planter, or even a normal pot with drainage holes.
Pruning RequirementsPruning is only needed when you want to maintain your plant’s shape. Prune the leaves that look suffering from a fungal infection. 
Growth ZoneThis plant’s growth zone is USDA hardiness zones 11a to 11b. And from 40 degrees Fahrenheit to 50 degrees Fahrenheit.
Common ProblemsYellow leaves, wrinkly leaves, and root rot.
PestsThe most common pests for Hoya Curtisii plants are aphids, mealybugs, spider mites, and fungus gnats.