Hoya Curtisii

Scientific Name: Hoya Curtisii

Common Name: Wax Plant

Hoya Curtisii care is an easy Hoya to grow and care for. If you need a houseplant that will trail with delicate heart-shaped leaves, this Hoya Curtisii care guide will help to see if this plant is right for you.

To give this Hoya plant the best care, it requires well-draining soil, allowing the top two inches of soil to dry before watering, provide it with bright indirect sunlight, give it temperatures ranging from 65-75F, and 50% humidity levels.

Quick Care Overview

Common NameWax Plant
Scientific NameHoya Curtisii
OriginMalaysia, Thailand, Philippines
Growth RateMedium
IdentificationHeart-shaped foliage with silver speckling
HeightUp to 20 inches in length
Soil2:1 ratio of potting soil to perlite
WaterWater when top 2 inches of soil has dried out
SunlightBright indirect light
Toxic to Cats & DogsNo
Toxic to HumansNo
PestsMealybugs, aphids, spider mites, fungus gnats
DiseasesRoot rot

Below we will dive deep into this Hoya Curtisii care guide.

Hoya Curtisii History

Hoya Curtisii is a creeping vine succulent from within the Apocynaceae family that is native to Malaysia, Thailand, and the Philippines. Also called the wax flower or porcelain flower, like all other Hoyas, this plant has small heart-shaped leaves that are often dotted with silver specks that grow from delicate vines. Although Hoya Curtisii may be slow to start growing, with time, it will proliferate and grow quickly with proper care. This succulent has become an increasingly popular houseplant around the world. 

Hoya Curtisii Identification

Hoya Curtisii is a compact trailing succulent that presents with small ½” heart-shaped foliage that grows from delicate vines. Foliage is often dotted with silver speckling. This succulent may go into bloom once or twice a season. 

Hoya Curtisii Growth Facts

Although remaining compact and described as a miniature vine, with proper care, this plant will fill out quickly. 

How Big Does a Hoya Curtisii Get?

The vines of Hoya Curtisii may grow to become about 20” long. 

Hoya Curtisii Care

Hoya Curtisii Care

This exotic looking plant is easy to care for and looks great when placed in terrariums or hanging baskets. It also looks great hanging on the edge of a bookshelf, mantle, or windowsill. 

Hoya Curtisii Soil

Hoya Curtisii is not picky when it comes to soil, and any high-quality commercial potting soil will do, but a commercial soil specifically designed for cacti and succulents is ideal. Alternatively, you may make your own mix by combining potting soil with pumice or perlite at a 2:1 ratio. 

Hoya Curtisii Fertilizer

Your Hoya will benefit from a monthly feeding from a liquid indoor house plant fertilizer during the growing season. Ensure that you follow all label instructions and do not fertilize during the winter. A balanced fertilizer that contains both macro and micronutrients is best. 

Hoya Curtisii Watering

It is easy to care for your Hoya’s watering needs, as this plant does fine if allowed to dry out a bit. Depending on growing conditions, you should water Hoya Curtisii about once a week or whenever the top 2-3″ of soil has dried out. 

Hoya Curtisii Light Requirements

Hoya Curtisii likes to be kept in bright, indirect light but should not be kept in direct full sunlight, as this may cause scorching and damage. Ensure that you rotate your plant’s container so that it will get full sun. 

Hoya Curtisii Temperature & Humidity

As Hoya Curtisii hails from a warm tropic climate originally, it likes to remain warm and humid. Hoya Curtisii should be kept between 65 to 75 degrees Fahrenheit and should never be exposed to temperatures below 50 degrees Fahrenheit. Hoya Curtisii also likes to be grown in a humid environment that is above 50% humidity to thrive. Therefore, you should frequently spritz the foliage of your Hoya or install a humidifier or pebble tray. 

Repotting Hoya Curtisii

Hoya Curtisii likes to remain slightly rootbound and as it remains a compact plant, it will not need to be repotted often. However, if you noticed that your plant has stopped growing or leaves are turning brown, it may be time to repot. When repotting, ensure that you choose a container that is only 1-2” larger than your plant’s previous container. The container you choose should have ample drainage holes. These plants grow excellently when grown in hanging baskets. 

Hoya Curtisii Maintenance & Pruning

While this Hoya does not require a lot of pruning, this plant may be periodically pruned back to maintain its shape, or to remove dead, diseased, or discolored stems. Use clean, sterilized shears when pruning.

Hoya Curtisii Propagation

Hoya Curtisii may be easily propagated through stem cuttings. Cuttings should be taken in late spring. Take a cutting of stem that is a couple of inches long and has a few leaves and aerial roots. Place the roots into moist soil and place them into indirect light. Alternatively, your cutting may be placed into water, allowed to root, and then transferred into its container with fresh growing medium. 

Hoya Curtisii Toxicity

Hoya Curtisii is not toxic to humans, cats, and dogs, making it a pet-friendly and kid-friendly plant to have in your home.

Toxicity to Humans

Hoya Curtisii is considered non-toxic to humans. However, this plant should not be ingested, as it may cause digestive upset. 

Toxicity to Cats & Dogs

Hoya Curtisii is considered non-toxic to pets and is safe for them to be around. However, these plants are not easily digestible and often induce vomiting when ingested by pets. Therefore, you should not allow your pets to consume this plant. 

Hoya Curtisii Problems

Hoya Curtisii Leaves Turning Yellow

When the leaves of this Hoya turn yellow, it is often due to overwatering or nutrient deficiency. Be sure to not overwater this plant and provide it with fertilizer monthly during the active growing months to avoid yellow leaves.

Hoya Curtisii Leaves Turning Brown

Browning of foliage, when it comes to Hoya Curtisii, is often indicative of too much direct sunlight or underwatering. 

Hoya Curtisii Diseases

Hoya Curtisii is relatively disease resistant. However, this Hoya does often suffer from issues related to overwatering, such as root rot. Ensure that you do not overwater your Hoya, and that is it not left sitting in excess drainage water from within the plant’s drainage tray. 

Hoya Curtisii Pests

Hoya Curtisii may be bothered by common household pests such as aphids, fungus gnats, spider mites, and mealybugs. Upon identifying an infestation, treat it with a pesticide, ensuring that you follow all label instructions. 


Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *