A Complete Guide to Hoya Propagation

Propagating Plant in water
Propagating stem cuttings in water (Source: Pexels)

Hoya plant, one of the most popular indoor plants that are quite extravagant to look at or have in your house.

Also known by its nickname, the Wax plant is a semi-woody vine with large oval-shaped leaves.

Their aesthetic magnificence drives me crazy, and I can’t stop myself from adding more. As a result, I propagate them whenever I get the opportunity.

There are four ways to propagate a Hoya plant but the most commonly used one is stem cutting. To propagate Hoya, cut the plant’s stem with a sharp knife and place the stem in water or soil, and after a while, it starts forming roots of its own.

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Hoya Flowers
Hoya Flowers (Source- Maxpixle)

Hoya plants are unique, and they can be grown either in water or soil.

They are really easy to grow, and they will bloom properly as long as you can provide them with proper care.

We will discuss various ways to propagate a Hoya plant in this article. But, if you want to learn more about it, then stick with us.

Best Time to Propagate Hoya

The best time for you to propagate your Hoya plant is during the Summer or Spring season because, during this period, they are actively growing. 

Propagating your Hoya plant during this time is best as it will also grow its root pretty quickly despite being newly propagated.

Because this plant is dormant and primarily hibernates throughout the winter, if you try to propagate it at that time, it may die before it can grow roots.

Methods to Propagate Hoya

There are multiple ways you can choose to propagate your Hoya plant.

However, I would suggest that you go for the stem cutting method as it is very time efficient and easy to do.

First and foremost, you will need to gather these materials to Propagate your Hoya plant.

Materials Required

Materials Used for Propagating
Materials Used for Propagating (Source: Pexels.com)

Continue reading the article below to briefly explain each method of propagating Alocasia.

Also, I will mention their merits and demerits to make it easier for you to figure out the appropriate one.

1. Propagate Hoya by Seeds

Starting Hoyas from seed is the simplest, but also the most time-consuming, way of propagation.

You can consider saving your own Hoya seeds, or you can even buy them.

This method is your only option if you do not have a Hoya plant that you can cut its leaves or stem from. I can assure you it will all be worth the while after it blooms.

While growing Hoya from its seeds, you need to make sure to take care of it most of the time and keep the soil moist for it to grow its roots properly.

The problem with propagating Hoya from seeds is finding other seed sources(more Hoyas) to gather sufficient seeds.

Step 1: Make sure to choose ripened seeds or freshly harvested ones as they can germinate faster and grow quicker than others.

Step 2: To germinate the seeds, prepare the potting mix. It’s usually ideal to use potting soil with Perlite, orchid bark, and horticultural charcoal that drains well.

Step 3: Place your Hoya seed in the soil. Add a thin layer of potting mix to cover the seeds.

Step 4: Properly water it and keep the soil moist most of the time as it forms its roots and starts to grow out.

It takes about 4-5 weeks for the Hoya seed to start growing roots.

You might need to wait for a long time as they take around 3-4 years to show their first bloom.

Advantages

  • It is easy to grow from this method.
  • Hoya seeds are common to find, so it is one of the most accessible methods.

Disadvantages

  • Growing Hoya from seeds is a time-consuming method.
  • You need to take care of it for 4-5 weeks at a minimum with proper and constant watering.
Newly Propagated Indoor Plants
Newly Propagated Indoor Plants (Source: Unsplash)

2. Propagate Hoya by Stem Cutting

Propagating Hoya from stem cutting is one of the easiest methods with a very high success rate which is quite assuring.

To propagate your Hoya plant from this method, you need to make sure to remove the leaves on the bottom stem.

After dipping it in the rooting hormone, bury it in the potting mix but make sure the soil is moist before planting it there.

When you are done planting it, make sure to water it a bit but avoid overwatering it as it might affect its growth.

Here are the steps to grow your Hoya from stem cutting.

Step 1: Select the stem wisely and ensure its length is at least 4-5 inches long. Cut them close to the mother plant.

Step 2: Dip stem cutting in rooting hormone. However, this step is optional.

Step 3: Place the stem in soil with rich nutrients; make sure the soil is moist before plant it. Or, you can place the stem in a glass that is half-filled with water.

Step 4: In the damp soil you prepared to plant your Hoya, bury the stem from the bottom.

Make sure to keep the soil moist for the first few days while waiting for the roots to start growing.

Step 5: In the case of water, make sure to change the water in the glass every 2-3 days to avoid rotting the stem.

After the roots start forming, move them into a pot of soil.

Step 6: Place the pot with the stem in indirect light. Make sure it doesn’t receive any direct sunlight as it would leave it dry and dead in a few days.

Advantages

  • Water-based propagation decreases the possibility of watering issues, fungal infection, and humidity.
  • Even a little stem has the ability to sprout a new plant.

Disadvantages

  • Some of the cuttings may not be able to develop roots.
  • Lack of genetic diversity.
Propagating Plant in water
Propagating stem cuttings in water (Source: Pexels)

3. Propagate Hoya by Leaf Cuttings

The next method is quite similar to the stem cutting method, but instead of the stem, it’s the leaves of the Hoya plant.

This method is not commonly used as it does not have much success rate and only works on a few species of the Hoya plant.

It takes about 6-7 weeks for the leaves to form roots in the soil.

Here are the steps to propagate your Hoya from leaves.

Step 1: Cut the Leaf from the bottom of the stem. Just make sure that the petiole has to be attached. The leaves root several times slower without petioles.

Step 2: Dip the Cutting into rooting hormone (This is not a mandatory step, but it helps to increase the chances of survival of the Hoya).

Step 3: Place the Leaves in the soil with the cut part facing down.

Step 4: Place as least five to six leaves in the soil, slightly covering the tips to allow roots to grow.

Step 5: Allow enough space between the leaves in the container for the rots to spread out as they occur.

Note: The leaf cutting should submerge in loose soil at a 45-degree angle.

You must wait at least five weeks for a root to form from the leaves in the soil.

Advantages

  • You can do it easily if you have a Hoya plant at home.
  • It takes less caring and attention.

Disadvantages

  • Takes an absurdly long amount of time.
  • There is a very low success rate to grow Hoya from a single leaf.
Propagating Hoya from a Single Leaf
Propagating Hoya from a Single Leaf (Source: Amazon)

4. Propagating Hoya by Layering

The layering method is one of the easiest and fastest methods to propagate your plant, so many plant enthusiasts widely use it to multiply their plants’ numbers.

Here is the step by step guide to propagate Hoya by layering.

Step 1: Get a well-draining pot.

Step 2: Then, you need to prepare potting soil that is rich in nutrients. You also need to keep the soil moist to get the propagation successful..

Step 3: Find the perfect stem attached to the mother plant.

Step 4: Using floral pins, secure the stem from the mother plant to the soil in the new container.

Step 5: Keep anchoring the stem towards the soil and keep the soil moist for the first phase of the propagation.

Step 6: Make sure you do not break or detach the stem from the mother plant as you bend it.

Step 7: After some time, roots will start growing in the new pot, and at this point, you can cut the stem from the mother plant as it grows individually.

Advantages

  • Layering improves rooting success by incorporating clones that do not root easily.

Disadvantages

  • It takes a lot of care and effort to propagate by Air layering.
  • When compared to plants with seed-propagated cultivars, air layers have a shorter lifespan.
An example of Propagating plant from Air Layering
An example of Propagating plant from Air Layering(Source: Wikimedia Commons)

Best Medium to Propagate Hoya

As you know the various mediums to propagate Hoya, the next step is choosing where you wish to propagate your hoya plant.

You can either propagate it on soil or in water. Both of the ways are fine, and it depends on your choice.

1. Propagating in Soil Medium

Advantages

  • It is an easier and more suitable way of growing a Hoya plant.
  • Takes less attention compared to water medium.
  • It is just the initial effort, and you don’t need to worry about moving your plant once it starts growing roots.

Disadvantages

  • You need to make sure to find the best kind of soil for Hoya.
  • Keeping the soil moist most of the time, in the beginning, can be problematic if you do not have much time.
  • Soil should be rich in nutrients, and you need to maintain that by providing it with fertilizers.
  • High chance of root rot due to the tendency of waterlogging. Alongside, the soil makes the gas movement and oxygen flow less.
Soil Propagation
Soil Propagation (Source: Pxfuel)

2. Propagation in Water Medium

Advantages

  • High movement of gas and natural oxygen present in water. The oxygen circulation helps the roots of Hoya to grow quickly.
  • While propagating in water, the root hairs are thin, fragile, and small but more in number or strands.
  • Less chance of root rot if placed in tap water as they contain fewer bacteria.
  • You don’t need to worry about soils and fertilizers initially in this method.

Disadvantages

  • Only stem cutting can be done by this method.
  • Requires a lot of attention as you need to keep changing the water every few days.
  • You will eventually need to move the Hoya plant into the soil after growing roots.
  • It takes longer to grow its roots compared to the soil medium.
Rooting in water
Rooting in water (Source Unsplash)

How Long Before I Can Pot My New Cutting?

The Hoya plant will sprout roots in around 4-5 weeks after you cut the stem, which you will need to transfer into the pot.

Hoya plants usually take longer time to form roots with the easiest methods.

It also depends on where you have placed the plant and how you water the cut stem.

It will take you about 4-5 weeks to pot your new cutting with proper care.

A Healthy Hoya Plant
A Healthy Hoya Plant (Source: Unsplash)

Tips to Take Care of Newly Potted Hoya

Here are a few tips for you to follow to keep your Hoya pups healthy.

  • Keep the Hoya pups in indirect bright light.
  • Keep the air humidity around 40-50%. This is normal room air humidity, so you don’t need to constantly maintain it.
  • Make sure the soil is damp most of the time.
  • Place the pot near a window facing east.
  • Grow the pup in a well-draining mixture and pot.
  • Use rooting hormones to increase the chances of propagation.
  • Hoyas thrive in temperatures between 60-85 degrees Fahrenheit.
  • Use a balanced NPK fertilizer in a 3:1:2 ratio.
  • If you are growing your Hoya in water, make sure to change the water every few days.
A Collection Of Hoya Blooms
A Collection Of Hoya Blooms (Source: Pixabay)

Conclusion

Hoyas are one of the most beautiful indoor plants you can add to your collection.

However, with all those propagation methods, it is quite tempting to try it yourself.

Despite being called the indestructible home plants, they need you to provide them with the slightest bit of attention you can during their growing period.

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