How to Grow and Care for Hoya Curtisii

Try to Google what Hoya Curtisii is and you will see that it is a perennial vine. However, can you grow it in a hanging pot so it does not have to crawl into your soil and blanket everything it can? Fortunately, the answer is a YES!

Hoya Curtisii is a low-maintenance vine so whether you are a beginner or an expert plant enthusiast, you can grow this at home. Nevertheless, there are many things that you have to know about this beautiful Asian plant so you will succeed in raising a lasting one.

On the other hand, don’t confuse Hoya Curtisii with other Hoya flowering plants since there are other variations of Hoya flowering plants which include Hoya Pubicalyx, Hoya Kentiana, Hoya Lacunosa, Hoya Australis to name a few. They differ from each other by the looks of their leaves and colors of flowers, but Hoya Curtisii possesses some of the smallest leaves among all the Hoyas.

What Is Hoya Curtisii?

Also known as Porcelain Flower or Wax Flower, Hoya Curtisii is a trailing plant that is native to Malaysia, Thailand, and the Philippines. It came from the Apocynaceae family which consists of flowering plants of various kinds from shrubs, vines to herbs.

So how does it look like? Hoya Curtisii may have spade- or round-shaped olive green leaves with an interesting silver accent that typically grows up to 3 inches high and a foot wide. Most of the time, it is used as a ground cover because it can totally mat over the surface, but you can also grow them in hanging pots to trail and dangle beautifully.

Some claim that Hoya Curtisii is somewhat difficult to bloom, but with the right care, you can achieve flowers that grow in a cluster with indescribable, amazing fragrance and colors that range from light red, green to yellow.

Uses

Many people are making Hoya Curtisii a part of their house plant family for some reasons. First and foremost, this creeping plant is often used as a ground cover. With its silver accent plus a grassy-melon-like scent, this makes a bed of beauty in your garden.

Another beauty in growing this Hoya is that it does not twine, so it is perfect for hanging baskets or pots that accentuate your patio, living room, or even bedroom since it can be grown indoors or outdoors.

Its size even up to maturity is relatively small and compact. Therefore, this makes an excellent choice for anyone who lives in small spaces.

Growing from Seeds

If you decide to grow Hoya Curtisii from seeds then you need to be very patient because the process from seed ripening to germination can take months or even unsuccessful. The germination success rate is better when you use freshly harvested seeds and when planted in batches. You may want to follow these steps when trying to germinate Hoya Curtisii seeds in a hanging pot:

  1. Make sure to use a fast draining and good quality pot that is not too large since this plant is quite root-bound.
  2. Use a good quality soil-less potting mix rich with 30% pumice or perlite and water only from below.
  3. Keep the pot at a warm temperature and indirect light.
  4. When repotting is deemed necessary after the Hoya developed sets of true leaves, get a one-pot size higher.

Propagation by Stem Cutting

Compared to seeds, growing Hoya Curtisii by stem cutting is so much easier, especially when done during summer or early spring. Follow these steps and you will have this Hoya as your houseplant.

  1. Cut a stem with 2 to 3 leaf nodes.
  2. Remove the leaves from the lowest node and dust the end with rooting powder.
  3. Bury the stem in your hanging pot with soil-less potting mix with added 30% to 40% perlite or pumice.
  4. Water the soil deeply, but make sure that you used a well-draining pot.
  5. Never let the soil be dried out or waterlogged.

Care Requirements

  • Water

Avoid overwatering. Hoya Curtisii doesn’t like its feet (or should we say roots) soaking wet, so you can just soak the soil completely and wait for the excess water to come out from the draining hole of your pot.

During the hot season, water three times a week. When it is cold season, reduce watering to at least once a week. This plant is not drought-tolerant, but it prefers a little dryer soil.

  • Soil

Hoya Curtisii grows better and beautiful in the light, fast-draining, and well-aerated soil. As mentioned above, a soilless mixture with added content of perlite or pumice will do.

  • Sunlight

This plant can withstand bright light but not direct sunlight for too long. Just like many other plants, it is healthy to receive morning sun when the heat is not yet a murderer for the plant. To be on the safe side and if you have the luxury of time doing it every day, you can move the hanging pot in direct sunlight for 2 to 3 hours then put it back to shade.

  • Temperature

During the daytime, Hoya Curtisii lives best in temperatures not less than 18 degrees Celsius but not greater than 24 degrees Celsius. This plant also thrives in high humidity so see to it that you have at least an above 50% humidity in the air. At night, make sure at least that the plant rests at a 16 degrees Celcius temperature.

  • Pruning

Most likely, you might want to prune your Hoya Curtisii if the vines’ length is no longer beautiful or appropriate for hanging. What you can do is just start pruning the leaves from the lower sides, specifically the older ones. This will ensure that your ornamental plant remains healthy and has a blooming appearance.

Other Frequently Asked Questions

Is Hoya Curtisii toxic to humans and animals?

Nope. According to different sources (which you can read online), Hoyas, including this variety, are generally non-toxic to people or animals. Nonetheless, you have to make sure that it won’t be eaten by your pets and especially children because the leaves, when ingested and can’t be broken down easily by the digestive system, can cause vomiting or even choke upon ingestion.

Always remember, no matter what plants you have at home whether toxic or not, be cautious.

Can Hoya Curtisii grow roots in the water?

Yeah! You can choose this method aside from growing its root in the soil. What you can do is to put the cutting in a glass of water for around 2 months. When you see strong roots on it already, transplant it to the pot with soil and perlite.

What happens if you overwatered your plant?

This Hoya plant is very susceptible to root rot so it is a rule of the thumb not to let it soak in watery soil. Just keep it moist, but not wet. Always make sure that the pot is fast-draining.

What are the common pests that disturb this Hoya plant?

Watch out for the following pests that may reside in your Hoya Curtisii, especially if it is hanging by an indoor portion at home:

  • Mealybugs
  • Aphids
  • Fungus gnats
  • Spider mites

These pests usually thrive in inappropriate wetness, so avoid wetting the foliage in the late afternoon because leaves won’t dry out totally.

Is Hoya Curtisii an invasive plant?

Given that this Hoya is a slow creeper and is also known as a miniature vine, it is not invasive. You can leave it for a couple of weeks and it still won’t be over the place and blanket your space.

Is Hoya Curtisii worthy?

Of course! This beautiful vine is both for beginners and expert plant caretakers. You may come across some challenges growing it in the early months or years but after that, it is all worth it.

Final Thoughts

Having a Hoya Curtisii is like having a piece of Asia at your home. This beautiful, miniature vine can be a ground cover, but can also make a great aesthetic being hung in pots not to mention that it is also very fragrant. Growing it from seeds can be very challenging but you can also opt for stem cutting to make the growing story shorter.

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