How To Grow And Care For Hoya Krimson Queen?

Written by Ivy

Jan 07 2023

How To Grow And Care For Hoya Krimson Queen?
Hoya Krimson Queen enjoys being in direct, bright sunlight for at least six hours each day, and she will feel right at home in that environment.

Hoya Krimson Queen is a variant of spherical Hoya. There are milky yellow and milky white patches on its leaf edge, and the young leaves will also show pink, yellow and white, which is very beautiful. Hoya krimson Queen's propagation method is similar to that of ordinary Hoya. It is suitable for growing in an environment without heat and cold. It likes sunshine, but does not want to be exposed to the hot sun. 

Its suitable temperature is 20-25 ℃ and should not be lower than 7 ℃ in winter. It grows vigorously in soil rich in humus and well drained. The maintenance of Hoya krimson queen should have appropriate light, because the light has a great impact on the color of its leaves. If the sunlight is too strong, the leaf color will turn yellow, the color is rough and dull, and the sunshine is generally acceptable in spring and autumn.

Hoya Krimson Queen Quick Info

Botanical/Scientific Name Hoya Carnosa 'Krimson Queen'
Common Name Wax Plant, Hoya Krimson Queen
When to Grow/Bloom/Harvest It takes three or four years to bloom
Uses House plant
Origin Eastern Asia and Australia
Light Care Bright filtered light or indirect light
Soil Care Well-draining soil
Temperature Care Between 61°F (16°C ) and 95°F (35°C)
Humidity Care 60% humidity
Watering About 1-3 times a week
Pruning Care Remove older and unhealthy leaves
Fertilizer Care Every two weeks
Propagation Stem cutting
Toxic Non toxic
Flower Color Pink, creamy-white and green variegation

When to Plant Hoya Krimson Queen

How To Grow And Care For Hoya Krimson Queen
We'd better plant Hoya krimson queen in late spring and early summer, probably from May to October. Hoya krimson queen grows well in a warm and humid environment and needs sufficient light. The fastest growing temperature of Hoya krimson queen is 20 to 25 degrees. It can spend the winter safely above 7 degrees in winter. It likes fertile and breathable soil rich in humus and is afraid of hot sun exposure. The common propagation method is cutting breeding. In summer, select healthy and strong branches without complete lignification, cut two sections as cuttings, and then insert them in the matrix to keep the environment moist. The temperature is controlled at about 25 degrees. Hoya krimson queen can take root in basically three weeks.

When does Hoya Krimson Queen Bloom & Harvest

Hoya krimson queen will bloom in spring. It will bloom in April in spring. Sometimes if it blooms late, it will bloom in May. The flowering period of Hoya krimson queen is very long. The whole flowering period is in spring and summer and can last until July and August. At the beginning of Hoya krimson queen, the amount of flowers is relatively large. With the extension of flowering time of Hoya krimson queen, the amount of flowers will become less. Ensure sufficient light before flowering to avoid non flowering.

Hoya Krimson Queen Care in Detail

Hoya Krimson Queen Watering

Hoya krimson queen has thick leaves and contains a lot of water in the plant. When watering Hoya krimson queen, we should water it after the basin soil is dry. Pay attention not to too much to avoid plant root rot. In summer, when the growth is prosperous, water more, and in winter, the growth slows down or even stops. Water less to make the soil slightly wet. In summer, you can also sprinkle more water around Hoya krimson queen to increase the air humidity, which is more conducive to plant growth.


Hoya krimson queen needs loose, fertile soil with good air permeability. Humus soil with good drainage can be used, and the pH value is preferably slightly acidic. There are many schemes for preparing Hoya krimson queen soil, which can be mixed with peat soil, sand and vermiculite, and can meet the needs of growth at the same time. It can also be prepared with rotten leaf soil and coarse sand, and the effect is also good. In addition to Hoya krimson queen soil preparation, an appropriate amount of base fertilizer needs to be added to provide sufficient nutrients.


We all know that proper light is beneficial to all plants and can promote photosynthesis. Hoya krimson queen is also a sunny plant. Hoya krimson queen can be placed in a place with sunshine or sufficient light, or in a semi shade. However, flower buds are less differentiated, so it can not be placed in a dark place indoors for a long time. The light is stronger, It can improve the color of leaves and accumulate nutrients for flowering. It can be exposed to sunlight in spring and autumn, but it should not be exposed to strong light. It needs to be properly shaded in summer. The sunlight in the north is too strong. If Hoya krimson queen is exposed to the sun, the leaves will be burned, resulting in yellow leaves. In serious cases, the leaves will fall off and affect the viewing effect, It can grow better under scattered light. Too strong light will only bring harm to Hoya krimson queen.


The temperature suitable for Hoya krimson Queen's growth is 18-28 ℃. Because it likes the environment with higher temperature, the temperature must not be too low during curing to avoid poor growth. During the winter, it's best to put Hoya krimson queen indoors and ensure that the room temperature can be about 7-10 ℃. If the temperature is lower than 5 ℃, it will suffer frostbite, not only the phenomenon of leaf falling, but also the whole Hoya krimson queen may die.
How To Grow And Care For Hoya Krimson Queen


Humidity is very important during the growth period of Hoya krimson queen. We need to see dry and wet, and we can't add too much. In summer, Hoya krimson queen has a large water evaporation capacity. It can give water at an interval of 1-2 days, and often spray water on the leaf surface, which can increase the humidity in the air. Hoya krimson queen needs less water in winter, so we can reduce it to once every two weeks.


We can apply thin liquid fertilizer to Hoya krimson queen once a month in summer. It is better to combine nitrogen, phosphorus and potassium fertilizer. Fertilization is not required in other seasons because the plant grows slowly, and fertilization may cause fertilizer damage to Hoya krimson queen.


Hoya krimson queen grows very fast, but in order to maintain its vigorous growth, we'd better prune Hoya krimson queen when it grows to a certain height, so as to promote the development of plant axillary buds. Oh, branches grow vigorously, so as to ensure the beautiful plant type of Hoya krimson queen.
After the Hoya krimson queen we maintain is shaped, in order to keep the branches dense, we'd better also put some redundant axillary buds at this time to ensure that the plants are beautiful and the flowers are large and colorful.
In order to maintain Hoya krimson queen more vigorously, we'd better trim some dead branches, bad branches, over dense branches and young branches of Hoya krimson queen. This can also improve the ventilation of Hoya krimson queen and prevent diseases and pests. Moreover, this is more conducive to compact and three-dimensional plant type, This will make Hoya krimson queen grow more vigorously.


Hoya krimson queen repotting soil can be mixed with forest soil, sawdust and vermiculite. After Hoya krimson queen repotting, place the basin at the south facing window. Sufficient light can make the plant leaves green. Hoya krimson queen is afraid of exposure to the hot sun and the temperature is high in summer. Try not to be directly exposed to the hot sun. Build a shade or move it indoors, otherwise the leaves will turn yellow. If there is a long-term lack of sunshine, Hoya krimson queen does not grow well, the plant is thin, the leaves are green, and the flowers bloom less. Hoya krimson queen should repotting once a year. Adult plants can change pots every two years. If plants already have flower buds, it is necessary to avoid moving that pot, and Hoya krimson queen repotting is not allowed.

Hoya Krimson Queen Pest & Disease Control

  • Hoya Krimson Queen Anthrax
Colletotrichum gloeosporioides is usually infected through wounds. At first, there are several light yellow, dark brown or light gray areas on the leaf surface of Hoya krimson queen, and sometimes they gather to form several black bands. When the disease spots expand, the surrounding tissues turn yellow or grayish green and sink, which can lead to the death of the whole Hoya krimson queen in serious cases.
Control Method
Management shall be strengthened. Hoya krimson queen shall not be planted too densely, and good light transmission and ventilation shall be maintained. Watering shall be carried out from the edge of the basin. If there are damaged leaves, the diseased leaves of Hoya krimson queen shall be cut off in time to avoid sunburn, cold injury, fertilizer injury and drug damage and reduce the occurrence of anthrax. We should do a good job in peacetime prevention. We can regularly spray 80% anthrax Fumei 600 times and 70% methyltobuzin 1000 times.
How To Grow And Care For Hoya Krimson Queen
  • Hoya krimson Queen Soft Rot
In the environment of high temperature and humidity, Hoya krimson queen is prone to soft rot, which is easy to occur in rainy season in early summer and less in winter. At the initial stage, water soaked spots appeared on the leaf surface and petiole, and then wilted and drooped, losing ornamental value. It is generally the whole plant of Hoya krimson queen. When the leaves are damaged, they are dark green water soaked small spots, which expand rapidly in yellowish brown soft rot shape, with brown water droplets exuding and special odor.
Control Method
Once Hoya krimson queen gets sick, the diseased leaves should be cut off in time, and the wound should be coated with m-45 cornmeal to prevent re infection. We can use agricultural streptomycin 5000 times or methyl parathion 1000 times spray control.
  • Hoya Krimson Queen Rust
At the initial stage, orange spots appeared on the leaf surface of Hoya krimson queen, and brown spores appeared on the leaf back at the later stage.
Control Method
We should disinfect Hoya krimson queen cultivation medium in advance, strengthen environmental management, maintain ventilation and light transmission, and remove diseased leaves if necessary. The disease was treated with 50% carbendazim 800 times or 70% methyltotozine 1000 times.

Hoya Krimson Queen Propagation

Leaves Cutting

We can choose the robust and thick Hoya krimson queen leaves at the bottom of the branches for Hoya krimson queen propagation from leaves cutting. We must not choose yellow leaves or leaves with fungal diseases. If it's Hoya krimson queen, don't choose too old leaves at the bottom of the branch. Hoya krimson queen is a kind of succulent plant. Of course, you can choose to use leaf cutting for propagation. You should prepare some small seedling pots in advance. There should be larger and more drainage holes at the bottom of Hoya krimson queen. The soil is generally peat soil with perlite, with a ratio of 1:1. You can also choose to use vermiculite for cultivation.
How To Grow And Care For Hoya Krimson Queen

Stem Cutting

Hoya krimson queen is generally propagated by branch cutting. Although it can take root and germinate by leaf cutting, the growth rate of Hoya krimson queen propagation from stem cutting is too slow. You can cut off several branches about 7 ~ 9 cm long. Each section should have about two or three growth nodes, at least one node, otherwise it will not take root and germinate normally. Just like before Hoya krimson queen cutting propagation, you can dip a little rooting powder at the bottom of the branches. In addition, you should pay attention to preparing suitable soil. It is no different from Hoya krimson queen leaf cutting propagation.


Layering is the propagation method with the highest success rate of propagation. After Hoya krimson Queen's branches grow longer, a small section can be pressed into the soil. We should pay attention to the location of Hoya krimson queen propagation from layering. We must grow leaves at the growth node and roots at the other end. After that, prepare some paper clips, or fold one branch into two sections and bend it into a V shape. Press the growth node of Hoya krimson queen branch into the soil to cover a little soil properly. In the later stage, we should pay attention to watering regularly. In addition, we should pay attention to keeping the soil in the small seedling basin moist and the air moist, which can give a little scattered light every day.

What's Unique About Hoya Krimson Queen?

The Hoya Krimson Queen plant has variegated leaves in addition to clusters of porcelain-like flowers. This plant is especially lovely because it combines these two lovely elements. This plant species' natural habitat is Southeast Asia, including the Philippines, Thailand, Malaysia, Bangladesh, India, Indonesia, and Polynesia. It requires tropical growing conditions.

In addition, Hoya Krimson Queen plants are epiphytic, which means they grow mechanically supported on tree trunks or branches rather than in soil. So, when they are grown, they are best grown in hanging baskets as trailing plants. They also exhibit semi-succulent traits. Since they receive less water more frequently, they can survive for extended periods of time.

Toxicity of Hoya Krimson Queen

The American Society for the Prevention of Cruelty to Animals (ASPCA), categorizes the Hoya carnosa ‘As a non-toxic plant, Krimson Queen. This indicates that it doesn't have any elements that are harmful to people or animals. But even though there are no toxicity concerns, the sap of Hoya carnosa Krimson Queen can cause a little discomfort. It's best to exercise caution.

For Humans

There are no toxic issues with Hoya Krimson Queen that have been reported for people. The plant is now even more appealing because there is no potential risk involved in caring for it. Feel free to have a hoya queen around if you have kids at home.

They do, however, contain a milky sap that, if it comes into contact with the skin, may irritate it. The plant should therefore be handled carefully, especially if you need to cut it into pieces. When propagating, pruning, and repotting, always wear gloves. The hoya plant should not be consumed in any way.

For Pets

Toxicology is unimportant, even for pets. Animals can use Hoya Krimson Queen safely just like people. Your plant won't bother your pets, whether you have dogs or cats. No toxic substances that might hurt your pets are present in hoya.

But the plant is inedible. Don't let them consume any of its parts, so be careful. The sap might annoy you as well. It may cause discomfort or vomiting. To ensure that your pets don't mess with your hoya, it is best to hang them in a secure area. Just be cautious.

Hoya Krimson Queen Appearance

The Hoya Krimson Queen has a distinctive and adorable appearance. The entire plant is beautiful, including the flowers and foliage. This hoya is truly stunning and merits a second look because of their exquisite combination. Because of its trailing habit, it is ideal for hanging baskets inside of homes.


Due to its distinctive variegation, Hoya Krimson Queen's foliage is very attractive. It is available in pink, creamy-white, and green combinations. As a result, it is occasionally referred to as the Hoya tricolor. Each leaf is shaped cordately. It feels like wax to the touch. To a trailing vine are these leaves fastened.

The leaves of Hoya Krimson Queen have an important function in addition to being beautiful. These fleshy leaves help the plant store enough water for extended periods of the dry season. Hoyas can withstand drought to some extent, just like most succulent species can, for this reason.


Wait until you see the Hoya Krimson Queen flowering if you think the leaves are already stunning. Once the clusters of star-shaped flowers begin to bloom, this plant becomes even more attractive. These flowers have a red center that highlights their pinkish exterior. Additionally, these flowers have a scent.

Your hoya must meet certain conditions in order to bloom. It must first be mature. This occurs after three to four years of growth. Warm temperatures, high humidity levels, and little rainfall are necessary environmental conditions. Spring and summer are the best seasons to achieve these conditions.

Size and Growth

The Hoya Krimson Queen's maximum size could range from 60 to 80 inches. Its trailing vines allow it to reach this length. Nevertheless, hoyas grow more slowly than other vine species. Even then, you would have to wait two to three years before you could repot your plant.

However, hoyas kept indoors benefit more from this trait. Since your plant won't get that big in a short amount of time, keeping it alive in a small area will be simpler. There are ways to keep your hoya in shape and trimmed down even after it reaches maturity.

Hoya Krimson Queen Fragrance

Hoya Krimson Queen's flowers hold the key to its fragrance. Anybody would undoubtedly adore the fragrant scent emanating from those clusters of pinkish-purple flowers. It has that distinct aroma of freshly made chocolate. During the night, it is even more obvious. In order to enjoy the fragrance, you should keep it inside in a closed space.

You have a good chance of taking pleasure in the scent for a longer time because hoyas flower from summer through fall. It would be more enjoyable if you had more pots of Hoya Krimson Queen. Just make sure you look after your hoyas so they can bloom on schedule.

Suggested Uses for Hoya Krimson Queen

Both indoors and outdoors, Hoya Krimson Queen would look lovely as a plant. With this plant, there are numerous creative possibilities. You can have it potted and then shape it in different ways. That would make a hoya fit for Instagram!

Additionally, you could plant it in hanging baskets and let the vines droop. Hold it in to breathe life into a lifeless corner. In addition to being attractive, your hoya will help remove toxins from your room, resulting in cleaner air inside. This plant can also help you relax and spread good vibes throughout your house.


What is Hoya Krimson Queen?

The Hoya Krimson Queen is another variety of the Hoya carnosa species. It is well-known for having tricolor leaves, which have green, creamy-white, and green variegations.

How to Identify Hoya Krimson Queen?

The location of its variegations is what distinguishes the Hoya Krimson Queen. Each leaf's edges are where you can find them. The Hoya Krimson Princess is another variety with its variegations in the center.

How to Care for Hoya Krimson Queen?

Filtered light, warm temperatures, little water, and high humidity are all necessary for the proper care of Hoya Krimson Queen. The perfect conditions for hoya growth are produced by this combination.

How to Grow Hoya Krimson Queen Indoors?

If indoors, plant it in an east-facing window for the best light conditions. When the humidity falls, mist the area from time to time.

How to Grow Hoya Krimson Queen Outdoors?

Place your Hoya Krimson Queen in a partially shaded area if being cared for outdoors. Never allow the plant to sit in the direct sun as this could harm it.

How Fast Does Hoya Krimson Queen Grow?

Compared to other vining species, Hoya Krimson Queen grows slowly. Before you would need to repot this plant, it would take two to three years.

How Tall Does Hoya Krimson Queen Grow?

The length of this Hoya plant ranges from 60 to 80 inches. Each plant can grow to a maximum height of 20 feet if left to grow naturally.

How to Make Hoya Krimson Queen Grow Faster?

Make sure it receives enough light. To prevent root rot, avoid overwatering your hoya. During the growing stage, give diluted fertilizer each month.

How to Stake Hoya Krimson Queen?

Your hoya can be supported by a trellis, a stake, or any other object if you want to stake it upwards. Some lead it to the desired shape using wires.

How to Pot Hoya Krimson Queen?

Once the hoya is bound to the pot, take it out. Remove the old soil and look at the roots. Plant your hoya in a bigger container, prepare a fresh potting mix, and cut back any dead roots.

How to Revive Hoya Krimson Queen?

Depending on what is causing the symptoms of this problem, deal with it. Determine the cause of your hoya's illness first. You can then come up with solutions from there.

Why is My Hoya Krimson Queen Dying?

One of the main reasons your Hoya is dying is root rot. To prevent further harm to your plant after noticing the symptoms, it is best to repotted it.

Why is My Hoya Krimson Queen Drooping?

This phenomenon might be brought on by stress brought on by issues with watering, temperature, humidity, or improper lighting. Make these adjustments to achieve the ideal results.

How Cold Can Hoya Krimson Queen Tolerate?

Cold weather is not to Hoya Krimson Queen's taste. Only 50°F (10°F) is the maximum temperature it can withstand. Your plant is susceptible to cold stress when the temperature falls below this.

How to Get Rid of Pests on Hoya Krimson Queen?

Apply a diluted mixture of insecticidal soap, water, and neem oil. Once you've managed to get rid of all the pests, repeat this process for a week.

Is Hoya Krimson Queen Toxic to Cats?

No. Your cats are safe with Hoya carnosa ‘Krimson Queen' because the plant is safe to consume. It is still impossible to eat the plant, though. Minor irritations could be caused by the sap.

Is Hoya Krimson Queen Toxic to Dogs?

No, Hoya Krimson Queen is just as safe for your dogs as it is for your cats. There are no toxic components in it that could harm your pet.

Is Hoya Krimson Queen Toxic to Children?

No, this plant is not toxic and is safe to be around kids. Once your children come into contact with its sap, it won't cause them any serious harm besides minor discomfort.

Is Hoya Krimson Queen Toxic to Humans?

Hoya Krimson Queen is not known to have any toxic effects on people. This proves that handling this species by humans is safe. However, it cannot be eaten.

Does Hoya Krimson Queen Have a Scent?

Yes, there is a distinct scent coming from the cluster of flowers, one that is similar to the flavor of chocolate and vanilla. The smell is more apparent at night.