Hoya Carnosa Tricolor

Scientific Name: Hoya Carnosa Tricolor

Common Name: Hoya Tricolor, Wax Plant

Hoya Carnosa Tricolor care is an easy plant to grow and care for and it’s perfect for beginners. If you want a houseplant that will trail and place in a hanging basket, a Hoya Carnosa Tricolor plant may be a good plant for you.

To give this Hoya plant the best care, it requires moisture-retentive well-draining soil, allow the soil to dry out before watering, provide the plant with bright indirect sunlight, give it temperatures ranging from 65-80F, and high humidity levels.

Quick Care Overview

Common NameWax Plant, Hoya Tricolor
Scientific NameHoya Carnosa Tricolor
OriginAustralia, Eastern Asia
Growth RateMedium
IdentificationThick leaves with dark green edges and yellow to pink centers
HeightUp to 20 feet in length
SoilMoisture retentive, well-draining soil
WaterAllow the top inch of soil to dry out before watering
SunlightBright indirect sunlight
Toxic to Cats & DogsYes
Toxic to HumansYes
PestsMealybugs, aphids
DiseasesBotrytis blight, root rot

Below we will dive deep into this Hoya Carnosa Tricolor care guide.

Hoya Carnosa Tricolor Care

Hoya Carnosa Tricolor History

Hoya Carnosa Tricolor, otherwise sometimes known as Crimson Princess or the Wax Plant, like all other Hoyas, is a vining semi-succulent with thick leaves that have pink and white variegated colors. This plant is incredibly gorgeous when it produces fragrant, lovely star-shaped flowers. Hoya Carnosa Tricolor has become a favorite amongst plant lovers. 

Hoya Carnosa Tricolor Identification

This lovely Hoya has thick, waxy foliage that has dark-green borders and creamy pink or yellow centers. Young leaves are often bright red. Leaves will become 2-3 inches in length and grow on pink stems. The color of this plant’s foliage will depend on its growing environment. 

Hoya Carnosa Tricolor Growth Facts

This vining plant looks lovely as a trailing plant in a hanging basket and is a moderate to slow grower. 

How Big Does a Hoya Carnosa Tricolor Get?

Hoya Carnosa may grow up to 20 feet long, if not maintained and pruned back. 

Hoya Carnosa Tricolor Care

This Hoya is perfect for beginners. Just ensure that you provide it with a bright spot and do not overwater. 

Hoya Carnosa Tricolor Soil

Hoya Carnosa Tricolor requires moisture-retentive, well-draining soil. A quality commercial potting mix will work perfectly. However, you may amend the potting soil with coco coir and compost to improve moisture retention and nutrients.   

Hoya Carnosa Tricolor Fertilizer

Your Hoya will enjoy receiving a feeding every two weeks during the warm growing season from a well-balanced liquid fertilizer. Ensure that you follow all label instructions and do not overfeed. Your Hoya should not be fertilized in winter. 

Hoya Carnosa Tricolor Watering

Depending on growing conditions, you should water your Hoya every week during the warm growing season and reduce watering frequency in the fall and winter. You should allow the top inch of your soil to dry before rewatering. If the foliage of your Hoya starts to yellow, it is oven an indicator that you are overwatering. Hoya Carnosa Tricolor is very sensitive to overwatering.

Hoya Carnosa Tricolor Light Requirements

Hoya Tricolor should be grown in bright indirect light and will tolerate full morning sun. Intense direct sunlight can scorch the leaves and cause sun scorching. It is important to note that the lower the light, the slower the growth. If kept in low light, your Hoya will not flower. 

Hoya Carnosa Tricolor Temperature & Humidity

Hoya Carnosa Tricolor thrives in warm environments between 65 to 80 degrees Fahrenheit and should never be exposed to temperatures below 50 degrees Fahrenheit as they are not cold-hardy. In addition, although this plant is tolerant of average indoor humidity’s, it will thrive if given higher humidity levels. You may increase humidity in your home by installing a humidifier or pebble tray. 

Repotting Hoya Carnosa Tricolor

Your Hoya should be repotted every two to three years or whenever its roots are seen sticking out from its container’s drainage holes. Select a pot that is 1-2 inches larger with drainage holes, repot your plant, refresh the soil, water thoroughly, and place in indirect light.

Hoya Carnosa Tricolor Maintenance & Pruning

To maintain the health of your Hoya, it is important to prune your Hoya annually. You should prune your Hoya in early spring before the growing season begins using a sharp pair of clean shears. Long, stringy tendrils should be cut back to make space for new buds.

Hoya Carnosa Tricolor Propagation

Propagation of Hoya Carnosa is straightforward and may be done through stem cuttings. To propagate your Hoya, first, take cuttings about 3-4 inches long. Next, cut below a set of leaves using sharp, clean shears. Rooting hormone may be used to encourage successful rooting. Next, plant the cuttings into well-draining soil, water your cuttings thoroughly, and keep them in indirect light. You should keep your cuttings moist until your cuttings have been established and new growth is seen. 

How to Care for Hoya Carnosa Tricolor

Hoya Carnosa Tricolor Toxicity

Hoya Carnosa Tricolor is toxic to humans, cats, and dogs. Keep curious pets and children away from this plant.

Toxicity to Humans

Hoya Carnosa Tricolor is considered non-toxic to humans and should never be ingested. Additionally, this plant contains a sap that may irritate the skin. Therefore, it is suggested to wear gloves when handling this plant and washing your hands. 

Toxicity to Cats & Dogs

This plant is considered toxic to pets and should not be ingested. However, if you suspect that your pet has consumed any portion of this plant, contact your veterinarian or animal poison control immediately. 

Hoya Carnosa Tricolor Problems

Hoya Carnosa Tricolor Leaves Turning Yellow

Hoya Carnosa may have yellowing foliage due to various causes. Overwatering, temperature stress, overfertilization, incorrect lighting, pests, or disease may all cause yellowing of the foliage. 

Hoya Carnosa Tricolor Leaves Turning Brown

The most common cause of foliage browning is due to plant disease. Ensure that you are not overwatering your plant and that it is not allowed to sit in excess water from within the plant’s drainage tray, as this may lead to fungal or bacterial infection. 

Hoya Carnosa Tricolor Diseases

Although this Hoya is hardy, it may fall susceptible to fungal infection if it is not in optimal conditions. Hoya Carnosa Tricolor may become infected by botrytis blight or root rot. Ensure that you do not overwater your plant. 

Hoya Carnosa Tricolor Pests

This Hoya may become susceptible to common indoor pests such as aphids, mealybugs, or other sap-sucking pests. Treat with a pesticide such as insecticidal soap or neem oil upon identifying an infestation. 


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