Hoya Nummularioides: A Little Unique Epiphytic Succulent

You surely want to grow Hoya nummularioides of the Apocynaceae family as it is a unique-looking succulent with tiny leaves, this plant is easy to grow so long as you provide the right substrate and grow it in suitable conditions, especially temperature and humidity. Hoya nummularioides is a climbing succulent prized for its nice fragrance and tiny leaves. This vine succulent of the genus hoya is native to Cambodia, Laos, Thailand, and other Asian regions.

There is so much to learn about this succulent, but be rest assured that it is not a demanding plant, read this article to learn more about Hoya nummularioides.

What Is Hoya Nummularioides?

If you grow Hoya nummularioides, you will get to enjoy its fragrant bloom in Fall and spring as it blooms twice a year. Many plant enthusiasts grow Hoya nummularioides because it is easy to grow and does not demand a lot of care and attention just like other plants. As a climber, Hoya nummularioides is an epiphyte that naturally grows on trees and other erect surfaces.

Hoya Nummularioides Care

Always remember that this is not a demanding plant, so it is easy to grow. The requirement of your Hoya nummularioides may vary according to the region and variety, so you can ask the store where you bought it from for the exact specifications.

Here are the general care tips of Hoya nummularioides plants:

– Water Requirements

Though it is easy to understand your Hoya nummularioides water needs, watering the plant is more like the most difficult task as you need to be very sure that your plant needs water before you give it some. As a key rule, you should water your Hoya nummularioides plants every few days when they are young and progress to water them weekly when they are matured.

As succulents, you should not overwater your Hoya nummularioides plants because they can get root rot and even die. Make sure that the substrate is almost dry before you water them again. This is why you must grow your Hoya nummularioides in a substrate and pot that permits proper drainage of water.

– Light Requirements

Hoya nummularioides plants tolerate a wide range of light exposure as you can grow them in partial shade or full sun. If you are growing them near a window indoors, you should keep them in the eastern or western parts of your home for optimum light. Do not keep your Hoya nummularioides in the north-facing parts of your home as the light may not be enough.

If you are growing your Hoya nummularioides outside, you should try to filter the light so that you do not burn your plants, especially in the summer months. Keeping the Hoya nummularioides plants under a canopy outside is okay as they can get some light but not too much. 

– Humidity

Humidity is important for plants as it helps plants to regulate their rate of transpiration. Growing your Hoya nummularioides plants in levels of humidity higher than what they require can expose them to fungal and bacteria attacks.

Hoya nummularioides plants tolerate a wide range of humidity, so you can easily grow them in average humidity. This means that you do not need to mist them regularly or install a humidifier, therefore, just make sure that there is enough ventilation so that there can be proper airflow in the room.

Your Hoya nummularioides plants will tell you that the humidity level is too low when you see their leaves with crispy edges.

– Temperature Requirements

Plants rely so much on temperature for their growth. Cold temperatures stop your Hoya nummularioides plants from growing while hot temperatures can kill them immediately. You should only grow your Hoya nummularioides in a conducive environment with the right temperature.

Hoya nummularioides plants are warmth-loving plants and the optimum temperature to grow them is 65-90 Fahrenheit. You should grow Hoya nummularioides freely if you live in USDA hardiness zone 10. The minimum temperature for Hoya nummularioides is 60 degrees Fahrenheit.

You should keep your plants far from appliances that alter the temperature of a room quickly such as your heaters and conditioners. Make sure that you grow your Hoya nummularioides in an environment in which the optimum temperature of the plant comes naturally.

– Fertilizers

No plant can grow without nutrients. If you do not give your Hoya nummularioides sufficient nutrients, it will have stunted growth. Giving it too many nutrients can also kill it as it will get burnt in the roots and leaves.

Hoya nummularioides is a light feeder. This means that you should not feed your plants too often. You can use a diluted balanced fertilizer (e.g. 15-15-15) for your succulent plant. If you like, you can use general succulent fertilizer for the plants. Feed your plants once every month in summer and spring. 

You do not need to feed your Hoya nummularioides in winter and autumn, however, you can feed them once every two to three months.

– Pruning

Your plants will surely outgrow themselves, so you must keep them in shape. Pruning helps you to resize or reshape your overgrown plants so that they can continue to look beautiful while they grow. Hoya nummularioides is a fast-growing succulent, hence you will regularly prune it to keep it in shape.

You should prune your Hoya nummularioides whenever the growth is excessive. You can prune them throughout the spring, summer, and autumn months. Do not prune them in winter. If you want a last-longing bloom, you should prune declining flowers.

Instead of pruning the plant, you can separate or loosen the branches so that they can appear pretty. Always check for and remove dead leaves from your plant.

Repotting is essential if you want your Hoya nummularioides plants to grow wider. If you leave them in the same pot for long, they will become root-bound and their vines will intertwine. The potting mix or substrate will also deteriorate and it can lead to your succulents dying.

The best way to tell that your Hoya nummularioides plants need repotting is when you see their roots above the soil surface. You can also tell that it is time to change their pot when you see their vines intertwining. You should transfer your plants into another pot just around three inches wider than the current one.

Keep in mind that if you do not want your plants to grow wide, you can use the same pot for years.

– Soil Requirements

Mulch helps to prevent unwanted plants from competing with your Hoya nummularioides in the pot. Mulch also helps to prevent the potting mix from becoming completely dry. While mulch is important for many plants, you do not need mulch to grow Hoya nummularioides.

You can, however, use mulch on the Hoya nummularioides pot to beautify it as well as its environment. Only use inorganic mulch such as lava rocks, pebbles, and other types of rocks as mulch for your Hoya nummularioides.

Now you must pay close attention to your Hoya nummularioides substrate as this will determine your success in growing the plant. Your pot of choice should be three to four inches wider than the root of your Hoya nummularioides. Note that you do not need to transfer your plants from the pot they came with for a year, as the pot should have proper drainage holes.

As for the substrate, it should be like that of other succulents. You can make a suitable substrate for Hoya nummularioides by mixing ⅓ peat moss, ⅓ perlite, and ⅓ orchid bark with some compost. The potting mix should dry quickly so that your Hoya nummularioides do not suffer from root rot.

Propagation

The two major ways to propagate your Hoya nummularioides are propagation by cutting or seeds. You can start your cutting in water or directly in a suitable potting mix. Both methods of propagation are easy and you can propagate your plant by yourself. You can propagate your current Hoya nummularioides plant to get more. 

Let us briefly explain the two major ways to propagate Hoya nummularioides:

– Propagation by Cutting

This is a very easy method. All you need is a stem. You can snip off at least six inches of stem and plant the bottom part in a suitable potting mix. With proper watering, your Hoya nummularioides cutting should produce leaves in less than two weeks.

The plant may take a while longer to produce leaves because it is still growing roots. If you do not like waiting and would love to know the progress, you can try starting the cutting in water.

To help your Hoya nummularioides cuttings to develop roots, you should dip at least three to five inches of it into clean water in a glass cup. You should replace the water regularly so that germs do not grow in it. You should notice that roots are growing in the part of the cutting submerged in water in less than five days.

Furthermore, when you are satisfied with the number of roots, you can transfer the cutting into a suitable substrate and you should see leaves grow in no time.

– Propagation by Seeds

This is the most natural way to get more plants, all you need to do is to wait for your plant to produce seeds after successful pollination. You should start collecting the seeds when they start falling off the plant, during which you can store the seeds or plant them immediately.

Prepare a substrate to start the seeds by mixing one-part loam and one-part sand. Place the seeds on the substrate and cover them with ½ inch layer of sand. Water the Hoya nummularioides seeds by misting them. When they germinate and grow up to a month, you should transfer them into a suitable potting mix for succulents and water them accordingly.

Congratulations! You can now properly propagate, grow and care for your Hoya nummularioides plants with ease. Well, continue reading to learn how to solve some problems that you might face when growing Hoya nummularioides.

Potential Problems

Hoya nummularioides is fast-growing and also easy to care for. This does not mean that it is a perfect plant without problems. Thankfully, you can easily fix your Hoya nummularioides-related problems. Here are some things to consider:

– Root Rot

You can kill your Hoya nummularioides plants by giving them too much water, as your plants may die due to root rot if you constantly water them. however, if you notice that your plants are dying because their root system is decaying, you should remove them from the substrate.

Prune off decaying roots and rinse the remaining healthy hoya nummularioides roots with water, furthermore when the plant is dry, wait for 24 hours and plant it in a new substrate. This time, make sure that you wait for seven to ten days before you water your Hoya nummularioides.

– Nutrient Deficiency

Nutrient deficiency may not quickly show in your Hoya nummularioides plants, but it is not too late to fix them. Some signs of nutrient deficiency according to the nutrient that your plant lacks are stunted growth, pale leaves, falling flowers, and weak stems.

If you notice that your plant has a nutrient deficiency, you should spray foliar fertilizer that contains more of the nutrient your plant is lacking on the leaves.

– Pests and Diseases

Pests such as mealybugs, spider mites, aphids, and snails can attack your Hoya nummularioides occasionally. You can wipe them off with neem oil or any recommended product. You can also pick pests with your hands and kill them so that they do not eat your plant leaves.

– Toxicity

Please note that Hoya nummularioides plants contain an irritant that is harmful to humans and animals. You should avoid contact with the white or milky sap. Additionally, prevent your pets from eating your Hoya nummularioides leaves.

FAQ

– How Do I Plant a Hoya Nummularioides?

To plant your Hoya nummularioides, gently remove them from their current pot, before transferring it into the new pot, check the roots and remove any unhealthy root you can find.

Pour some substrate to fill the bottom two to three inches of the pot, place the Hoya nummularioides plant on the substrate in the pot, and pour more substrate into the pot. Make sure that you are careful with the roots of your succulent plant.

After covering your Hoya nummularioides root with the substrate, wait a day or two before watering it. Moreover, You may start noticing some signs of growth in your Hoya nummularioides leaves in less than a week so long as you did not damage their roots.

– How Do I Check for Leaf Growth in Hoya Nummularioides?

Always check your Hoya nummularioides leaves for spots as the presence of black or brown spots can indicate different things. If the leaves have brown spots in the middle, they may have a fungal or bacterial attack.

Spots nearer to the edges can indicate that you are growing your Hoya nummularioides in the wrong pH, temperature, or humidity level. You may mist your plant leaves with water, it is important to try and mist them only in the morning so that the heat of the day can evaporate excess droplets of the leaves.

As for the flowers, note that your plant may not bloom if you do not grow it in the optimum temperature conditions naturally and the rest period is not observed. If your plant produces flowers, you can extend the bloom period by snipping off flowers as they decline, as a result, this will encourage the plant to produce more flowers.

– How Do I Identify Hoya Nummularioides?

Hoya nummularioides plants can grow up to ten inches and will most likely crawl or fall if you grow them in hanging baskets. The plants have small, flat and round succulent leaves and they are fuzzy to touch. Each umbel has around 20 flowers, the hoya nummularioides flower is white with a vermilion center and it looks like a little white star.

Hoya nummularioides is a fast-growing succulent, hence your little plant can spread and multiply to cover its pot or hanging basket in a matter of months. Hoya nummularioides is becoming more popular amongst people looking for unique-looking succulents.

– How To Select a Hoya Nummulariodes?

Hoya nummularioides is by far one of the easiest succulents to start, as you can get your Hoya nummularioides seeds, seedlings, or even cutting from a gardening shop or nursery. Furthermore, you can also buy them from online stores or even plant stores.

If you are growing Hoya nummularioides for the first time, you should buy the seedlings as they are already growing and will quickly adapt to their new environment (i.e. your home). When searching for a seedling, do not go for the tallest ones as they may be etiolated.

It is important for you to select the greenest and freshest Hoya nummularioides seedlings. Properly inspect each leaf for spots and avoid plants with spots on their leaves.

– What Are The Uses of Hoya Nummularioides?

Plant enthusiasts usually grow Hoya nummularioides as an indoor plant. It is a vine succulent, so people prefer to grow it in hanging baskets so that the leaf vines can fall gracefully from the basket. Additionally, hoya nummularioides is suitable in your garden as it helps to prevent weeds.

A major reason why Hoya nummularioides is popular is the fragrance of its bloom. The Hoya flowers smell really nice, that is why you probably want to hang the basket close to your favorite spots so that you can enjoy the smell.

Would you like to grow some Hoya nummularioides plants? They are easy to grow so long as you provide everything that they need.

Conclusion

So long as you grow your Hoya nummularioides plants in an airy potting mix, wait until the substrate is almost dry before you water them and feed them occasionally, you can effortlessly grow them. Here are some short reminders for you:

• Hoya nummularioides is a light feeder, so you should feed it with diluted fertilizer once per month in the growing season.
• If you see that your plants are root-bound, you can help them by repotting them into larger pots.
• You can use a general succulent substrate for your Hoya nummularioides plants.
• Make sure that you do not overwater your plant so that you do not expose it to root rot.
• You can easily propagate your Hoya nummularioides plants by cutting or seeds.

After reading this comprehensive article, we are sure that you are ready to grow your Hoya nummularioides.