Hoya Flowers: Do Hoya Plants Produce Blooms?

Written by Jennifer Hollohan
Updated: June 4, 2023
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Many plant enthusiasts know hoyas by sight, if not by name. They have magnificent trailing vines that work well as a decorative element and offer a stunning cascade when displayed in a hanging basket. But hoya plants are also well-known for their highly unique and stunning flowers. The combination of the two features makes these tropical plants highly sought-after. And thankfully, they are also relatively easy to care for. So even beginner gardeners can delight in hoya flowers. Below we take a look at information about hoya blooms, how to properly encourage their growth and some troubleshooting tactics. Let’s dive in.

Do Hoya Plants Produce Blooms?

Yes, hoya plants do produce blooms! However, it is important to note that hoya plants are initially slow to blossom. In most cases, you will not see any flowers develop for the first two to three years. It takes these tropical plants some time to grow and reach maturity before rewarding you with a stunning floral display. 

Once hoya plants bloom, the abundance and frequency of flower development will vary greatly depending on the species. Most hoya plants blossom in the late spring and into summer. But other species will develop gorgeous flowers for longer periods. Most hoya species will not produce blooms when the plants are dormant.

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Hoya flowers range greatly in color, shape, and size. Some are clusters of tiny, delicate, star-like flowers. Some have a waxy appearance, while others have what look like small hairs covering them. And others are larger, single blossoms. The colors typically range from white, pink, yellow, and red. That is one of the best things about hoya plants – you can select the vines and the floral display that suits your taste.

In addition to their beauty, many hoya flowers have a magnificent fragrance. The strength of their aroma and what it is reminiscent of also varies by species. Most nurseries will describe a particular hoya’s scent.

How quickly (and abundantly) your hoya flowers develop depends on the growing conditions. The proper environment and amount of care are vital to producing regular, high-quality blooms. Below are some handy tips to help your hoya produce eye-catching floral displays.

  • Water Properly: Finding the sweet spot when watering your hoya may take some trial and error. But there are a few steps you can take to avoid overwatering or underwatering. During the dormant season (winter), hoyas don’t grow and need little water. Wait until the soil has completely dried out during this time of year. In the summer, you will want to pay closer attention. Stick your finger into the soil around 2 inches deep. If it is dry at that level, it is ok to water. However, if the soil is still moist, hold off for another day or two. The most important factor is not overwatering. Hoyas are prone to root rot. So watering too frequently will damage your plant. 
  • Provide Adequate Light:  Almost all hoyas should get kept out of direct sunlight. While there are a handful of exceptions, it is a good general rule to follow for most hoya species. Long periods of intense sun exposure will burn the leaves and hinder the plant’s growth. However, they thrive in quality, indirect, bright light. Aim for at least six hours daily to help your hoya get adequate light. If your home or office does not have a spot that offers enough sunlight, consider supplementing with a grow light or other artificial light. Note that when you do this, the necessary light exposure increases. Plan on keeping that supplemental light on for roughly 8 to 10 hours. 
  • Fertilize Regularly: Much like water, feeding your hoya in the winter is unnecessary. Wait until early spring to start nourishing your plant(s). The added boost of nutrition will help your hoya develop lovely, healthy blooms. A good fertilizer choice is any that is balanced and water-soluble. You only need to fertilize every two or three weeks. 
  • Use a Well-Draining Soil: Since hoyas are prone to root rot, their potting soil should be well-draining. You will also want to seek one rich in organic matter as an added nutrition boost. There are a couple of options, all of which can get sourced at your local nursery. These include a tropical plant potting mix, a cacti/succulent potting mix, or a general potting mix with items like perlite, peat moss, or vermiculite added in. 
  • Maintain High Humidity: As mentioned previously, hoyas are tropical plants. And as such, they need a relatively humid environment to thrive. That does not mean adding a beautiful hoya to your home if you live in a drier climate is impossible. You will just need to pay closer attention to the surrounding moisture levels. A few options to help improve humidity levels for your hoya include adding a pebble tray or humidifier near the plant or regularly misting it with water. 
  • Prune Regularly: Regular pruning can actually promote healthy growth and stimulate the plant to produce more blooms. So don’t shy away from this step! Prune with sharp, clean scissors or pruning shears. But make sure not to snip off a portion that held flowers the year before. Hoya flowers re-bloom in the same spot year after year. 
  • Temperature Control: While most hoya varieties prefer warming temperatures, some require slightly different conditions to start sprouting blooms. Speak with your local nursery, or read one of our handy guides to determine if your hoya needs special care. If your hoya has not started blossoming after a few years, try playing with the temperature in your home or office to see if that helps. 
Hoya Wayetti flowers

Hoya flowers are beautiful, but also often have a delightful scent.

©JJ van Ginkel/Shutterstock.com

Finding the right balance of care for your unique hoya plant may take some trial and error. Don’t be afraid to experiment and see what works best for your variety. Just take time to make adjustments and move slowly. Rapid changes to the environment or level of care may shock your hoya and prevent it from reaching its full potential. And while hoya foliage and vines are lovely to look at, the main goal is to get rewarded with stunning flowers. So taking the time to focus on helping your hoya thrive is well worth it. 

Troubleshooting

Even though hoyas are well-known for their beautiful floral displays, not all hoyas are created equal. Some are far more prolific than others. Take the time to research your specific hoya, consult a nursery expert, or read one of our guides to find out what you can expect regarding blooms. However, if you have all the information you need and have not seen any flowers after two or three years, there are some troubleshooting tactics you can try.

  • Adjust the Temperature and Humidity: Start with subtle adjustments to the overall environment. Add a little extra moisture to the air or change the temperature settings on your thermostat. Often, these minor changes will make an enormous difference.
  • Change Your Fertilizer: Your hoya may have slightly different nutritional needs. Consider changing the brand or blend of fertilizer to help encourage blooms. 
  • Add Some Light: Give that precious plant a little extra (indirect) light for improved blooms.

Keep in mind that hoyas require time and patience. If you provide them with their preferred care and can bide your time, they will reward you with show-stopping flowers. While there are some steps to take to encourage blooming, they won’t necessarily speed up the process much. So enjoy the journey and wait for that lovely floral display to greet you one spring.

Bella hoya flowers close up

These Bella hoya flowers are a great example of the treat you will get when you care for your hoyas properly.

©Yuriy Danilov/Shutterstock.com

The photo featured at the top of this post is © Amarisa M/Shutterstock.com


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About the Author

Jennifer Hollohan is a writer at A-Z Animals, where her primary focus is on gardening, mammals, and travel. Jennifer has over twenty years of writing experience. She holds a Master of Arts in Anthropology from the University of Colorado at Boulder, which she earned in 2005, and is a Herbalist. Jennifer lives in Colorado with her family. She loves hiking, admiring wildflowers, gardening, and making herbal tea.

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